def main_function(cfg):
# get a logger for this main function
logger = logging.getLogger("main")
# get another logger to handle plotting duties
plotlogger = logging.getLogger("plotting")
# later, we might do this via a handler that is created, attached and configured
# using the standard config mechanism of the logging module
# but for now we need to do it manually
plotlogger.set_plot_path(cfg.plot_dir)
#### parameter setting########
hidden_layers_sizes = cfg.hyper_params['hidden_layer_size']
####prepare environment
try:
file_id_list = read_file_list(cfg.file_id_scp)
logger.debug('Loaded file id list from %s' % cfg.file_id_scp)
except IOError:
# this means that open(...) threw an error
logger.critical('Could not load file id list from %s' % cfg.file_id_scp)
raise
###total file number including training, development, and testing
total_file_number = len(file_id_list)
data_dir = cfg.data_dir
nn_cmp_dir = os.path.join(data_dir, 'nn' + cfg.combined_feature_name + '_' + str(cfg.cmp_dim))
nn_cmp_nosil_dir = os.path.join(data_dir, 'nn_nosil' + cfg.combined_feature_name + '_' + str(cfg.cmp_dim))
nn_cmp_norm_dir = os.path.join(data_dir, 'nn_norm' + cfg.combined_feature_name + '_' + str(cfg.cmp_dim))
model_dir = os.path.join(cfg.work_dir, 'nnets_model')
gen_dir = os.path.join(cfg.work_dir, 'gen')
in_file_list_dict = {}
for feature_name in list(cfg.in_dir_dict.keys()):
in_file_list_dict[feature_name] = prepare_file_path_list(file_id_list, cfg.in_dir_dict[feature_name],
cfg.file_extension_dict[feature_name], False)
nn_cmp_file_list = prepare_file_path_list(file_id_list, nn_cmp_dir, cfg.cmp_ext)
nn_cmp_nosil_file_list = prepare_file_path_list(file_id_list, nn_cmp_nosil_dir, cfg.cmp_ext)
nn_cmp_norm_file_list = prepare_file_path_list(file_id_list, nn_cmp_norm_dir, cfg.cmp_ext)
###normalisation information
norm_info_file = os.path.join(data_dir, 'norm_info' + cfg.combined_feature_name + '_' + str(
cfg.cmp_dim) + '_' + cfg.output_feature_normalisation + '.dat')
### normalise input full context label
# currently supporting two different forms of lingustic features
# later, we should generalise this
if cfg.label_style == 'HTS':
label_normaliser = HTSLabelNormalisation(question_file_name=cfg.question_file_name)
lab_dim = label_normaliser.dimension + cfg.appended_input_dim
logger.info('Input label dimension is %d' % lab_dim)
suffix = str(lab_dim)
elif cfg.label_style == 'HTS_duration':
label_normaliser = HTSDurationLabelNormalisation(question_file_name=cfg.question_file_name)
lab_dim = label_normaliser.dimension ## + cfg.appended_input_dim
logger.info('Input label dimension is %d' % lab_dim)
suffix = str(lab_dim)
# no longer supported - use new "composed" style labels instead
elif cfg.label_style == 'composed':
# label_normaliser = XMLLabelNormalisation(xpath_file_name=cfg.xpath_file_name)
suffix = 'composed'
if cfg.process_labels_in_work_dir:
label_data_dir = cfg.work_dir
else:
label_data_dir = data_dir
# the number can be removed
binary_label_dir = os.path.join(label_data_dir, 'binary_label_' + suffix)
nn_label_dir = os.path.join(label_data_dir, 'nn_no_silence_lab_' + suffix)
nn_label_norm_dir = os.path.join(label_data_dir, 'nn_no_silence_lab_norm_' + suffix)
# nn_label_norm_mvn_dir = os.path.join(data_dir, 'nn_no_silence_lab_norm_'+suffix)
in_label_align_file_list = prepare_file_path_list(file_id_list, cfg.in_label_align_dir, cfg.lab_ext, False)
binary_label_file_list = prepare_file_path_list(file_id_list, binary_label_dir, cfg.lab_ext)
nn_label_file_list = prepare_file_path_list(file_id_list, nn_label_dir, cfg.lab_ext)
nn_label_norm_file_list = prepare_file_path_list(file_id_list, nn_label_norm_dir, cfg.lab_ext)
# to do - sanity check the label dimension here?
min_max_normaliser = None
label_norm_file = 'label_norm_%s.dat' % (cfg.label_style)
label_norm_file = os.path.join(label_data_dir, label_norm_file)
normaliser = math_statis.Statis(feature_dimension=lab_dim, read_func=file_util.load_binary_file_frame,
writer_func=file_util.array_to_binary_file, min_value=0.01, max_value=0.99)
if cfg.NORMLAB and (cfg.label_style in ['HTS', 'HTS_duration']):
# simple HTS labels
logger.info('preparing label data (input) using standard HTS style labels')
label_normaliser.perform_normalisation(in_label_align_file_list, binary_label_file_list)
if cfg.label_style == 'HTS':
remover = SilenceRemover(n_cmp=lab_dim, silence_pattern=cfg.silence_pattern)
remover.remove_silence(binary_label_file_list, in_label_align_file_list, nn_label_file_list)
elif cfg.label_style == 'HTS_duration':
## don't remove silences for duration
nn_label_file_list = binary_label_file_list
###use only training data to find min-max information, then apply on the whole dataset
normaliser.find_min_max_values(nn_label_file_list[0:cfg.train_file_number])
normaliser.normalise_data(nn_label_file_list, nn_label_norm_file_list)
if cfg.NORMLAB and (cfg.label_style == 'composed'):
# new flexible label preprocessor
logger.info('preparing label data (input) using "composed" style labels')
label_composer = LabelComposer()
label_composer.load_label_configuration(cfg.label_config_file)
logger.info('Loaded label configuration')
# logger.info('%s' % label_composer.configuration.labels )
lab_dim = label_composer.compute_label_dimension()
logger.info('label dimension will be %d' % lab_dim)
if cfg.precompile_xpaths:
label_composer.precompile_xpaths()
# there are now a set of parallel input label files (e.g, one set of HTS and another set of Ossian trees)
# create all the lists of these, ready to pass to the label composer
in_label_align_file_list = {}
for label_style, label_style_required in label_composer.label_styles.items():
if label_style_required:
logger.info('labels of style %s are required - constructing file paths for them' % label_style)
if label_style == 'xpath':
in_label_align_file_list['xpath'] = prepare_file_path_list(file_id_list, cfg.xpath_label_align_dir,
cfg.utt_ext, False)
elif label_style == 'hts':
in_label_align_file_list['hts'] = prepare_file_path_list(file_id_list, cfg.hts_label_align_dir,
cfg.lab_ext, False)
else:
logger.critical('unsupported label style %s specified in label configuration' % label_style)
raise Exception
# now iterate through the files, one at a time, constructing the labels for them
num_files = len(file_id_list)
logger.info('the label styles required are %s' % label_composer.label_styles)
for i in range(num_files):
logger.info('making input label features for %4d of %4d' % (i + 1, num_files))
# iterate through the required label styles and open each corresponding label file
# a dictionary of file descriptors, pointing at the required files
required_labels = {}
for label_style, label_style_required in label_composer.label_styles.items():
# the files will be a parallel set of files for a single utterance
# e.g., the XML tree and an HTS label file
if label_style_required:
required_labels[label_style] = open(in_label_align_file_list[label_style][i], 'r')
logger.debug(' opening label file %s' % in_label_align_file_list[label_style][i])
logger.debug('label styles with open files: %s' % required_labels)
label_composer.make_labels(required_labels, out_file_name=binary_label_file_list[i],
fill_missing_values=cfg.fill_missing_values,
iterate_over_frames=cfg.iterate_over_frames)
# now close all opened files
for fd in required_labels.values():
fd.close()
# silence removal
if cfg.remove_silence_using_binary_labels:
silence_feature = 0 ## use first feature in label -- hardcoded for now
logger.info('Silence removal from label using silence feature: %s' % (
label_composer.configuration.labels[silence_feature]))
logger.info('Silence will be removed from CMP files in same way')
## Binary labels have 2 roles: both the thing trimmed and the instructions for trimming:
trim_silence(binary_label_file_list, nn_label_file_list, lab_dim, \
binary_label_file_list, lab_dim, silence_feature, percent_to_keep=5)
else:
logger.info('No silence removal done')
# start from the labels we have just produced, not trimmed versions
nn_label_file_list = binary_label_file_list
###use only training data to find min-max information, then apply on the whole dataset
normaliser.find_min_max_values(nn_label_file_list[0:cfg.train_file_number])
normaliser.normalise_data(nn_label_file_list, nn_label_norm_file_list)
if normaliser != None:
### save label normalisation information for unseen testing labels
label_min_vector = normaliser.min_vector
label_max_vector = normaliser.max_vector
label_norm_info = numpy.concatenate((label_min_vector, label_max_vector), axis=0)
label_norm_info = numpy.array(label_norm_info, 'float32')
fid = open(label_norm_file, 'wb')
label_norm_info.tofile(fid)
fid.close()
logger.info('saved %s vectors to %s' % (label_min_vector.size, label_norm_file))
### make output acoustic data
if cfg.MAKECMP:
logger.info('creating acoustic (output) features')
delta_win = cfg.delta_win # [-0.5, 0.0, 0.5]
acc_win = cfg.acc_win # [1.0, -2.0, 1.0]
acoustic_worker = AcousticComposition(delta_win=delta_win, acc_win=acc_win)
acoustic_worker.prepare_nn_data(in_file_list_dict, nn_cmp_file_list, cfg.in_dimension_dict,
cfg.out_dimension_dict)
if cfg.label_style == 'HTS':
if cfg.remove_silence_using_binary_labels:
## do this to get lab_dim:
label_composer = LabelComposer()
label_composer.load_label_configuration(cfg.label_config_file)
lab_dim = label_composer.compute_label_dimension()
silence_feature = 0 ## use first feature in label -- hardcoded for now
logger.info('Silence removal from CMP using binary label file')
## overwrite the untrimmed audio with the trimmed version:
trim_silence(nn_cmp_file_list, nn_cmp_nosil_file_list, cfg.cmp_dim,
binary_label_file_list, lab_dim, silence_feature)
else: ## back off to previous method using HTS labels:
remover = SilenceRemover(n_cmp=cfg.cmp_dim, silence_pattern=cfg.silence_pattern)
remover.remove_silence(nn_cmp_file_list[0:cfg.train_file_number + cfg.valid_file_number],
in_label_align_file_list[0:cfg.train_file_number + cfg.valid_file_number],
nn_cmp_nosil_file_list[
0:cfg.train_file_number + cfg.valid_file_number]) # save to itself
elif cfg.label_style == 'HTS_duration':
## don't remove silences for duration
nn_cmp_nosil_file_list = nn_cmp_file_list
pass
### save acoustic normalisation information for normalising the features back
var_dir = os.path.join(data_dir, 'var')
if not os.path.exists(var_dir):
os.makedirs(var_dir)
var_file_dict = {}
for feature_name in list(cfg.out_dimension_dict.keys()):
var_file_dict[feature_name] = os.path.join(var_dir,
feature_name + '_' + str(cfg.out_dimension_dict[feature_name]))
### normalise output acoustic data
if cfg.NORMCMP:
logger.info('normalising acoustic (output) features using method %s' % cfg.output_feature_normalisation)
cmp_norm_info = None
normaliser = math_statis.Statis(feature_dimension=cfg.cmp_dim, read_func=file_util.load_binary_file_frame,
writer_func=file_util.array_to_binary_file)
if cfg.output_feature_normalisation == 'MVN':
###calculate mean and std vectors on the training data, and apply on the whole dataset
global_mean_vector = normaliser.compute_mean(nn_cmp_nosil_file_list[0:cfg.train_file_number], 0,
cfg.cmp_dim)
global_std_vector = normaliser.compute_std(nn_cmp_nosil_file_list[0:cfg.train_file_number],
global_mean_vector, 0, cfg.cmp_dim)
normaliser.feature_normalisation(nn_cmp_nosil_file_list[0:cfg.train_file_number + cfg.valid_file_number],
nn_cmp_norm_file_list[0:cfg.train_file_number + cfg.valid_file_number])
cmp_norm_info = numpy.concatenate((global_mean_vector, global_std_vector), axis=0)
elif cfg.output_feature_normalisation == 'MINMAX':
global_mean_vector = normaliser.compute_mean(nn_cmp_nosil_file_list[0:cfg.train_file_number])
global_std_vector = normaliser.compute_std(nn_cmp_nosil_file_list[0:cfg.train_file_number],
global_mean_vector)
normaliser = math_statis.Statis(feature_dimension=cfg.cmp_dim, read_func=file_util.load_binary_file_frame,
writer_func=file_util.array_to_binary_file, min_value=0.01, max_value=0.99)
# min_max_normaliser = MinMaxNormalisation(feature_dimension=cfg.cmp_dim, min_value=0.01, max_value=0.99)
normaliser.find_min_max_values(nn_cmp_nosil_file_list[0:cfg.train_file_number])
normaliser.normalise_data(nn_cmp_nosil_file_list, nn_cmp_norm_file_list)
cmp_min_vector = normaliser.min_vector
cmp_max_vector = normaliser.max_vector
cmp_norm_info = numpy.concatenate((cmp_min_vector, cmp_max_vector), axis=0)
else:
logger.critical('Normalisation type %s is not supported!\n' % (cfg.output_feature_normalisation))
raise
cmp_norm_info = numpy.array(cmp_norm_info, 'float32')
fid = open(norm_info_file, 'wb')
cmp_norm_info.tofile(fid)
fid.close()
logger.info('saved %s vectors to %s' % (cfg.output_feature_normalisation, norm_info_file))
# logger.debug(' value was\n%s' % cmp_norm_info)
feature_index = 0
for feature_name in list(cfg.out_dimension_dict.keys()):
feature_std_vector = numpy.array(
global_std_vector[:, feature_index:feature_index + cfg.out_dimension_dict[feature_name]], 'float32')
fid = open(var_file_dict[feature_name], 'w')
feature_std_vector.tofile(fid)
fid.close()
logger.info('saved %s variance vector to %s' % (feature_name, var_file_dict[feature_name]))
# logger.debug(' value was\n%s' % feature_std_vector)
feature_index += cfg.out_dimension_dict[feature_name]
train_x_file_list = nn_label_norm_file_list[0:cfg.train_file_number]
train_y_file_list = nn_cmp_norm_file_list[0:cfg.train_file_number]
valid_x_file_list = nn_label_norm_file_list[cfg.train_file_number:cfg.train_file_number + cfg.valid_file_number]
valid_y_file_list = nn_cmp_norm_file_list[cfg.train_file_number:cfg.train_file_number + cfg.valid_file_number]
test_x_file_list = nn_label_norm_file_list[
cfg.train_file_number + cfg.valid_file_number:cfg.train_file_number + cfg.valid_file_number + cfg.test_file_number]
test_y_file_list = nn_cmp_norm_file_list[
cfg.train_file_number + cfg.valid_file_number:cfg.train_file_number + cfg.valid_file_number + cfg.test_file_number]
# we need to know the label dimension before training the DNN
# computing that requires us to look at the labels
#
# currently, there are two ways to do this
if cfg.label_style == 'HTS':
label_normaliser = HTSLabelNormalisation(question_file_name=cfg.question_file_name)
lab_dim = label_normaliser.dimension + cfg.appended_input_dim
elif cfg.label_style == 'composed':
label_composer = LabelComposer()
label_composer.load_label_configuration(cfg.label_config_file)
lab_dim = label_composer.compute_label_dimension()
logger.info('label dimension is %d' % lab_dim)
combined_model_arch = str(len(hidden_layers_sizes))
for hid_size in hidden_layers_sizes:
combined_model_arch += '_' + str(hid_size)
nnets_file_name = '%s/%s_%s_%d_%s_%d.%d.train.%d.model' \
% (model_dir, cfg.model_type, cfg.combined_feature_name, int(cfg.multistream_switch),
combined_model_arch, lab_dim, cfg.cmp_dim, cfg.train_file_number)
### DNN model training
if cfg.TRAINDNN:
logger.info('training DNN')
try:
os.makedirs(model_dir)
except OSError as e:
if e.errno == errno.EEXIST:
# not an error - just means directory already exists
pass
else:
logger.critical('Failed to create model directory %s' % model_dir)
logger.critical(' OS error was: %s' % e.strerror)
raise
try:
# print 'start DNN'
train_DNN(train_xy_file_list=(train_x_file_list, train_y_file_list), \
valid_xy_file_list=(valid_x_file_list, valid_y_file_list), \
nnets_file_name=nnets_file_name, \
n_ins=lab_dim, n_outs=cfg.cmp_dim, ms_outs=cfg.multistream_outs, \
hyper_params=cfg.hyper_params, buffer_size=cfg.buffer_size, plot=cfg.plot)
except KeyboardInterrupt:
logger.critical('train_DNN interrupted via keyboard')
# Could 'raise' the exception further, but that causes a deep traceback to be printed
# which we don't care about for a keyboard interrupt. So, just bail out immediately
sys.exit(1)
except:
logger.critical('train_DNN threw an exception')
raise
### generate parameters from DNN
temp_dir_name = '%s_%s_%d_%d_%d_%d_%d_%d' \
% (cfg.model_type, cfg.combined_feature_name, int(cfg.do_post_filtering), \
cfg.train_file_number, lab_dim, cfg.cmp_dim, \
len(hidden_layers_sizes), hidden_layers_sizes[0])
gen_dir = os.path.join(gen_dir, temp_dir_name)
gen_file_id_list = file_id_list[
cfg.train_file_number:cfg.train_file_number + cfg.valid_file_number + cfg.test_file_number]
test_x_file_list = nn_label_norm_file_list[
cfg.train_file_number:cfg.train_file_number + cfg.valid_file_number + cfg.test_file_number]
if cfg.DNNGEN:
logger.info('generating from DNN')
try:
os.makedirs(gen_dir)
except OSError as e:
if e.errno == errno.EEXIST:
# not an error - just means directory already exists
pass
else:
logger.critical('Failed to create generation directory %s' % gen_dir)
logger.critical(' OS error was: %s' % e.strerror)
raise
gen_file_list = prepare_file_path_list(gen_file_id_list, gen_dir, cfg.cmp_ext)
# dnn_generation(valid_x_file_list, nnets_file_name, lab_dim, cfg.cmp_dim, gen_file_list)
dnn_generation(test_x_file_list, nnets_file_name, lab_dim, cfg.cmp_dim, gen_file_list)
logger.debug('denormalising generated output using method %s' % cfg.output_feature_normalisation)
fid = open(norm_info_file, 'rb')
cmp_min_max = numpy.fromfile(fid, dtype=numpy.float32)
fid.close()
cmp_min_max = cmp_min_max.reshape((2, -1))
cmp_min_vector = cmp_min_max[0,]
cmp_max_vector = cmp_min_max[1,]
denormaliser = math_statis.Statis(feature_dimension=cfg.cmp_dim, read_func=file_util.load_binary_file_frame,
writer_func=file_util.array_to_binary_file)
if cfg.output_feature_normalisation == 'MVN'
denormaliser.feature_denormalisation(gen_file_list, gen_file_list, cmp_min_vector, cmp_max_vector)
elif cfg.output_feature_normalisation == 'MINMAX':
denormaliser = math_statis.Statis(feature_dimension=cfg.cmp_dim, read_func=file_util.load_binary_file_frame,
writer_func=file_util.array_to_binary_file,
min_value=0.01, max_value=0.99, min_vector=cmp_min_vector,
max_vector=cmp_max_vector)
denormaliser.denormalise_data(gen_file_list, gen_file_list)
else:
logger.critical('denormalising method %s is not supported!\n' % (cfg.output_feature_normalisation))
raise
##perform MLPG to smooth parameter trajectory
## lf0 is included, the output features much have vuv.
generator = ParameterGeneration(gen_wav_features=cfg.gen_wav_features)
generator.acoustic_decomposition(gen_file_list, cfg.cmp_dim, cfg.out_dimension_dict, cfg.file_extension_dict,
var_file_dict)
### generate wav
if cfg.GENWAV:
logger.info('reconstructing waveform(s)')
generate_wav(gen_dir, gen_file_id_list, cfg) # generated speech
# generate_wav(nn_cmp_dir, gen_file_id_list) # reference copy synthesis speech
### evaluation: calculate distortion
if cfg.CALMCD:
logger.info('calculating MCD')
ref_data_dir = os.path.join(data_dir, 'ref_data')
ref_mgc_list = prepare_file_path_list(gen_file_id_list, ref_data_dir, cfg.mgc_ext)
ref_bap_list = prepare_file_path_list(gen_file_id_list, ref_data_dir, cfg.bap_ext)
ref_lf0_list = prepare_file_path_list(gen_file_id_list, ref_data_dir, cfg.lf0_ext)
in_gen_label_align_file_list = in_label_align_file_list[
cfg.train_file_number:cfg.train_file_number + cfg.valid_file_number + cfg.test_file_number]
calculator = IndividualDistortionComp()
spectral_distortion = 0.0
bap_mse = 0.0
f0_mse = 0.0
vuv_error = 0.0
valid_file_id_list = file_id_list[cfg.train_file_number:cfg.train_file_number + cfg.valid_file_number]
test_file_id_list = file_id_list[
cfg.train_file_number + cfg.valid_file_number:cfg.train_file_number + cfg.valid_file_number + cfg.test_file_number]
if cfg.remove_silence_using_binary_labels:
## get lab_dim:
label_composer = LabelComposer()
label_composer.load_label_configuration(cfg.label_config_file)
lab_dim = label_composer.compute_label_dimension()
## use first feature in label -- hardcoded for now
silence_feature = 0
## Use these to trim silence:
untrimmed_test_labels = binary_label_file_list[
cfg.train_file_number:cfg.train_file_number + cfg.valid_file_number + cfg.test_file_number]
if 'mgc' in cfg.in_dimension_dict:
if cfg.remove_silence_using_binary_labels:
untrimmed_reference_data = in_file_list_dict['mgc'][
cfg.train_file_number:cfg.train_file_number + cfg.valid_file_number + cfg.test_file_number]
trim_silence(untrimmed_reference_data, ref_mgc_list, cfg.mgc_dim, \
untrimmed_test_labels, lab_dim, silence_feature)
else:
remover = SilenceRemover(n_cmp=cfg.mgc_dim, silence_pattern=cfg.silence_pattern)
remover.remove_silence(in_file_list_dict['mgc'][
cfg.train_file_number:cfg.train_file_number + cfg.valid_file_number + cfg.test_file_number],
in_gen_label_align_file_list, ref_mgc_list)
valid_spectral_distortion = calculator.compute_distortion(valid_file_id_list, ref_data_dir, gen_dir,
cfg.mgc_ext, cfg.mgc_dim)
test_spectral_distortion = calculator.compute_distortion(test_file_id_list, ref_data_dir, gen_dir,
cfg.mgc_ext, cfg.mgc_dim)
valid_spectral_distortion *= (10 / numpy.log(10)) * numpy.sqrt(2.0) ##MCD
test_spectral_distortion *= (10 / numpy.log(10)) * numpy.sqrt(2.0) ##MCD
if 'bap' in cfg.in_dimension_dict:
if cfg.remove_silence_using_binary_labels:
untrimmed_reference_data = in_file_list_dict['bap'][
cfg.train_file_number:cfg.train_file_number + cfg.valid_file_number + cfg.test_file_number]
trim_silence(untrimmed_reference_data, ref_bap_list, cfg.bap_dim, \
untrimmed_test_labels, lab_dim, silence_feature)
else:
remover = SilenceRemover(n_cmp=cfg.bap_dim, silence_pattern=cfg.silence_pattern)
remover.remove_silence(in_file_list_dict['bap'][
cfg.train_file_number:cfg.train_file_number + cfg.valid_file_number + cfg.test_file_number],
in_gen_label_align_file_list, ref_bap_list)
valid_bap_mse = calculator.compute_distortion(valid_file_id_list, ref_data_dir, gen_dir, cfg.bap_ext,
cfg.bap_dim)
test_bap_mse = calculator.compute_distortion(test_file_id_list, ref_data_dir, gen_dir, cfg.bap_ext,
cfg.bap_dim)
valid_bap_mse = valid_bap_mse / 10.0
test_bap_mse = test_bap_mse / 10.0
if 'lf0' in cfg.in_dimension_dict:
if cfg.remove_silence_using_binary_labels:
untrimmed_reference_data = in_file_list_dict['lf0'][
cfg.train_file_number:cfg.train_file_number + cfg.valid_file_number + cfg.test_file_number]
trim_silence(untrimmed_reference_data, ref_lf0_list, cfg.lf0_dim, \
untrimmed_test_labels, lab_dim, silence_feature)
else:
remover = SilenceRemover(n_cmp=cfg.lf0_dim, silence_pattern=['*-#+*'])
remover.remove_silence(in_file_list_dict['lf0'][
cfg.train_file_number:cfg.train_file_number + cfg.valid_file_number + cfg.test_file_number],
in_gen_label_align_file_list, ref_lf0_list)
valid_f0_mse, valid_f0_corr, valid_vuv_error = calculator.compute_distortion(valid_file_id_list,
ref_data_dir, gen_dir,
cfg.lf0_ext, cfg.lf0_dim)
test_f0_mse, test_f0_corr, test_vuv_error = calculator.compute_distortion(test_file_id_list, ref_data_dir,
gen_dir, cfg.lf0_ext, cfg.lf0_dim)
logger.info('Develop: DNN -- MCD: %.3f dB; BAP: %.3f dB; F0:- RMSE: %.3f Hz; CORR: %.3f; VUV: %.3f%%' \
% (valid_spectral_distortion, valid_bap_mse, valid_f0_mse, valid_f0_corr, valid_vuv_error * 100.))
logger.info('Test : DNN -- MCD: %.3f dB; BAP: %.3f dB; F0:- RMSE: %.3f Hz; CORR: %.3f; VUV: %.3f%%' \
% (test_spectral_distortion, test_bap_mse, test_f0_mse, test_f0_corr, test_vuv_error * 100.))
def main_function(cfg):
file_paths = FilePaths(cfg)
# get a logger for this main function
logger = logging.getLogger("main")
# get another logger to handle plotting duties
plotlogger = logging.getLogger("plotting")
# later, we might do this via a handler that is created, attached and configured
# using the standard config mechanism of the logging module
# but for now we need to do it manually
plotlogger.set_plot_path(cfg.plot_dir)
# create plot dir if set to True
if not os.path.exists(cfg.plot_dir) and cfg.plot:
os.makedirs(cfg.plot_dir)
#### parameter setting########
hidden_layer_size = cfg.hyper_params['hidden_layer_size']
####prepare environment
try:
file_id_list = read_file_list(cfg.file_id_scp)
logger.debug('Loaded file id list from %s' % cfg.file_id_scp)
except IOError:
# this means that open(...) threw an error
logger.critical('Could not load file id list from %s' % cfg.file_id_scp)
raise
###total file number including training, development, and testing
total_file_number = len(file_id_list)
assert cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number == total_file_number, 'check train, valid, test file number'
data_dir = cfg.data_dir
inter_data_dir = cfg.inter_data_dir
nn_cmp_dir = file_paths.nn_cmp_dir
nn_cmp_norm_dir = file_paths.nn_cmp_norm_dir
model_dir = file_paths.model_dir
gen_dir = file_paths.gen_dir
in_file_list_dict = {}
for feature_name in list(cfg.in_dir_dict.keys()):
in_file_list_dict[feature_name] = prepare_file_path_list(file_id_list, cfg.in_dir_dict[feature_name], cfg.file_extension_dict[feature_name], False)
nn_cmp_file_list = file_paths.get_nn_cmp_file_list()
nn_cmp_norm_file_list = file_paths.get_nn_cmp_norm_file_list()
###normalisation information
norm_info_file = file_paths.norm_info_file
### normalise input full context label
# currently supporting two different forms of lingustic features
# later, we should generalise this
assert cfg.label_style == 'HTS', 'Only HTS-style labels are now supported as input to Merlin'
label_normaliser = HTSLabelNormalisation(question_file_name=cfg.question_file_name, add_frame_features=cfg.add_frame_features, subphone_feats=cfg.subphone_feats)
add_feat_dim = sum(cfg.additional_features.values())
lab_dim = label_normaliser.dimension + add_feat_dim + cfg.appended_input_dim
if cfg.VoiceConversion:
lab_dim = cfg.cmp_dim
logger.info('Input label dimension is %d' % lab_dim)
suffix=str(lab_dim)
if cfg.process_labels_in_work_dir:
inter_data_dir = cfg.work_dir
# the number can be removed
file_paths.set_label_dir(label_normaliser.dimension, suffix, lab_dim)
file_paths.set_label_file_list()
binary_label_dir = file_paths.binary_label_dir
nn_label_dir = file_paths.nn_label_dir
nn_label_norm_dir = file_paths.nn_label_norm_dir
in_label_align_file_list = file_paths.in_label_align_file_list
binary_label_file_list = file_paths.binary_label_file_list
nn_label_file_list = file_paths.nn_label_file_list
nn_label_norm_file_list = file_paths.nn_label_norm_file_list
min_max_normaliser = None
label_norm_file = file_paths.label_norm_file
test_id_list = file_paths.test_id_list
if cfg.NORMLAB:
# simple HTS labels
logger.info('preparing label data (input) using standard HTS style labels')
label_normaliser.perform_normalisation(in_label_align_file_list, binary_label_file_list, label_type=cfg.label_type)
if cfg.additional_features:
out_feat_file_list = file_paths.out_feat_file_list
in_dim = label_normaliser.dimension
for new_feature, new_feature_dim in cfg.additional_features.items():
new_feat_dir = os.path.join(data_dir, new_feature)
new_feat_file_list = prepare_file_path_list(file_id_list, new_feat_dir, '.'+new_feature)
merger = MergeFeat(lab_dim = in_dim, feat_dim = new_feature_dim)
merger.merge_data(binary_label_file_list, new_feat_file_list, out_feat_file_list)
in_dim += new_feature_dim
binary_label_file_list = out_feat_file_list
remover = SilenceRemover(n_cmp = lab_dim, silence_pattern = cfg.silence_pattern, label_type=cfg.label_type, remove_frame_features = cfg.add_frame_features, subphone_feats = cfg.subphone_feats)
remover.remove_silence(binary_label_file_list, in_label_align_file_list, nn_label_file_list)
min_max_normaliser = MinMaxNormalisation(feature_dimension = lab_dim, min_value = 0.01, max_value = 0.99)
###use only training data to find min-max information, then apply on the whole dataset
if cfg.GenTestList:
min_max_normaliser.load_min_max_values(label_norm_file)
else:
min_max_normaliser.find_min_max_values(nn_label_file_list[0:cfg.train_file_number])
### enforce silence such that the normalization runs without removing silence: only for final synthesis
if cfg.GenTestList and cfg.enforce_silence:
min_max_normaliser.normalise_data(binary_label_file_list, nn_label_norm_file_list)
else:
min_max_normaliser.normalise_data(nn_label_file_list, nn_label_norm_file_list)
if min_max_normaliser != None and not cfg.GenTestList:
### save label normalisation information for unseen testing labels
label_min_vector = min_max_normaliser.min_vector
label_max_vector = min_max_normaliser.max_vector
label_norm_info = numpy.concatenate((label_min_vector, label_max_vector), axis=0)
label_norm_info = numpy.array(label_norm_info, 'float32')
fid = open(label_norm_file, 'wb')
label_norm_info.tofile(fid)
fid.close()
logger.info('saved %s vectors to %s' %(label_min_vector.size, label_norm_file))
### make output duration data
if cfg.MAKEDUR:
logger.info('creating duration (output) features')
label_normaliser.prepare_dur_data(in_label_align_file_list, file_paths.dur_file_list, cfg.label_type, cfg.dur_feature_type)
### make output acoustic data
if cfg.MAKECMP:
logger.info('creating acoustic (output) features')
delta_win = cfg.delta_win #[-0.5, 0.0, 0.5]
acc_win = cfg.acc_win #[1.0, -2.0, 1.0]
if cfg.GenTestList:
for feature_name in list(cfg.in_dir_dict.keys()):
in_file_list_dict[feature_name] = prepare_file_path_list(test_id_list, cfg.in_dir_dict[feature_name], cfg.file_extension_dict[feature_name], False)
nn_cmp_file_list = prepare_file_path_list(test_id_list, nn_cmp_dir, cfg.cmp_ext)
nn_cmp_norm_file_list = prepare_file_path_list(test_id_list, nn_cmp_norm_dir, cfg.cmp_ext)
acoustic_worker = AcousticComposition(delta_win = delta_win, acc_win = acc_win)
if 'dur' in list(cfg.in_dir_dict.keys()) and cfg.AcousticModel:
lf0_file_list = file_paths.get_lf0_file_list()
acoustic_worker.make_equal_frames(dur_file_list, lf0_file_list, cfg.in_dimension_dict)
acoustic_worker.prepare_nn_data(in_file_list_dict, nn_cmp_file_list, cfg.in_dimension_dict, cfg.out_dimension_dict)
if cfg.remove_silence_using_binary_labels:
## do this to get lab_dim:
label_composer = LabelComposer()
label_composer.load_label_configuration(cfg.label_config_file)
lab_dim=label_composer.compute_label_dimension()
silence_feature = 0 ## use first feature in label -- hardcoded for now
logger.info('Silence removal from CMP using binary label file')
## overwrite the untrimmed audio with the trimmed version:
trim_silence(nn_cmp_file_list, nn_cmp_file_list, cfg.cmp_dim,
binary_label_file_list, lab_dim, silence_feature)
elif cfg.remove_silence_using_hts_labels:
## back off to previous method using HTS labels:
remover = SilenceRemover(n_cmp = cfg.cmp_dim, silence_pattern = cfg.silence_pattern, label_type=cfg.label_type, remove_frame_features = cfg.add_frame_features, subphone_feats = cfg.subphone_feats)
remover.remove_silence(nn_cmp_file_list, in_label_align_file_list, nn_cmp_file_list) # save to itself
### save acoustic normalisation information for normalising the features back
var_dir = file_paths.var_dir
var_file_dict = file_paths.get_var_dic()
### normalise output acoustic data
if cfg.NORMCMP:
logger.info('normalising acoustic (output) features using method %s' % cfg.output_feature_normalisation)
cmp_norm_info = None
if cfg.output_feature_normalisation == 'MVN':
normaliser = MeanVarianceNorm(feature_dimension=cfg.cmp_dim)
if cfg.GenTestList:
# load mean std values
global_mean_vector, global_std_vector = normaliser.load_mean_std_values(norm_info_file)
else:
###calculate mean and std vectors on the training data, and apply on the whole dataset
global_mean_vector = normaliser.compute_mean(nn_cmp_file_list[0:cfg.train_file_number], 0, cfg.cmp_dim)
global_std_vector = normaliser.compute_std(nn_cmp_file_list[0:cfg.train_file_number], global_mean_vector, 0, cfg.cmp_dim)
normaliser.feature_normalisation(nn_cmp_file_list, nn_cmp_norm_file_list)
cmp_norm_info = numpy.concatenate((global_mean_vector, global_std_vector), axis=0)
elif cfg.output_feature_normalisation == 'MINMAX':
min_max_normaliser = MinMaxNormalisation(feature_dimension = cfg.cmp_dim, min_value = 0.01, max_value = 0.99)
if cfg.GenTestList:
min_max_normaliser.load_min_max_values(norm_info_file)
else:
min_max_normaliser.find_min_max_values(nn_cmp_file_list[0:cfg.train_file_number])
min_max_normaliser.normalise_data(nn_cmp_file_list, nn_cmp_norm_file_list)
cmp_min_vector = min_max_normaliser.min_vector
cmp_max_vector = min_max_normaliser.max_vector
cmp_norm_info = numpy.concatenate((cmp_min_vector, cmp_max_vector), axis=0)
else:
logger.critical('Normalisation type %s is not supported!\n' %(cfg.output_feature_normalisation))
raise
if not cfg.GenTestList:
cmp_norm_info = numpy.array(cmp_norm_info, 'float32')
fid = open(norm_info_file, 'wb')
cmp_norm_info.tofile(fid)
fid.close()
logger.info('saved %s vectors to %s' %(cfg.output_feature_normalisation, norm_info_file))
feature_index = 0
for feature_name in list(cfg.out_dimension_dict.keys()):
feature_std_vector = numpy.array(global_std_vector[:,feature_index:feature_index+cfg.out_dimension_dict[feature_name]], 'float32')
fid = open(var_file_dict[feature_name], 'w')
feature_var_vector = feature_std_vector**2
feature_var_vector.tofile(fid)
fid.close()
logger.info('saved %s variance vector to %s' %(feature_name, var_file_dict[feature_name]))
feature_index += cfg.out_dimension_dict[feature_name]
train_x_file_list, train_y_file_list = file_paths.get_train_list_x_y()
valid_x_file_list, valid_y_file_list = file_paths.get_valid_list_x_y()
test_x_file_list, test_y_file_list = file_paths.get_test_list_x_y()
# we need to know the label dimension before training the DNN
# computing that requires us to look at the labels
#
label_normaliser = HTSLabelNormalisation(question_file_name=cfg.question_file_name, add_frame_features=cfg.add_frame_features, subphone_feats=cfg.subphone_feats)
add_feat_dim = sum(cfg.additional_features.values())
lab_dim = label_normaliser.dimension + add_feat_dim + cfg.appended_input_dim
if cfg.VoiceConversion:
lab_dim = cfg.cmp_dim
logger.info('label dimension is %d' % lab_dim)
combined_model_arch = str(len(hidden_layer_size))
for hid_size in hidden_layer_size:
combined_model_arch += '_' + str(hid_size)
nnets_file_name = file_paths.get_nnets_file_name()
temp_dir_name = file_paths.get_temp_nn_dir_name()
gen_dir = os.path.join(gen_dir, temp_dir_name)
if cfg.switch_to_keras:
### set configuration variables ###
cfg.inp_dim = lab_dim
cfg.out_dim = cfg.cmp_dim
cfg.inp_feat_dir = nn_label_norm_dir
cfg.out_feat_dir = nn_cmp_norm_dir
cfg.pred_feat_dir = gen_dir
if cfg.GenTestList and cfg.test_synth_dir!="None":
cfg.inp_feat_dir = cfg.test_synth_dir
cfg.pred_feat_dir = cfg.test_synth_dir
### call kerasclass and use an instance ###
keras_instance = KerasClass(cfg)
### DNN model training
if cfg.TRAINDNN:
var_dict = load_covariance(var_file_dict, cfg.out_dimension_dict)
logger.info('training DNN')
fid = open(norm_info_file, 'rb')
cmp_min_max = numpy.fromfile(fid, dtype=numpy.float32)
fid.close()
cmp_min_max = cmp_min_max.reshape((2, -1))
cmp_mean_vector = cmp_min_max[0, ]
cmp_std_vector = cmp_min_max[1, ]
try:
os.makedirs(model_dir)
except OSError as e:
if e.errno == errno.EEXIST:
# not an error - just means directory already exists
pass
else:
logger.critical('Failed to create model directory %s' % model_dir)
logger.critical(' OS error was: %s' % e.strerror)
raise
try:
if cfg.switch_to_keras:
keras_instance.train_keras_model()
else:
train_DNN(train_xy_file_list = (train_x_file_list, train_y_file_list), \
valid_xy_file_list = (valid_x_file_list, valid_y_file_list), \
nnets_file_name = nnets_file_name, \
n_ins = lab_dim, n_outs = cfg.cmp_dim, ms_outs = cfg.multistream_outs, \
hyper_params = cfg.hyper_params, buffer_size = cfg.buffer_size, plot = cfg.plot, var_dict = var_dict,
cmp_mean_vector = cmp_mean_vector, cmp_std_vector = cmp_std_vector)
except KeyboardInterrupt:
logger.critical('train_DNN interrupted via keyboard')
# Could 'raise' the exception further, but that causes a deep traceback to be printed
# which we don't care about for a keyboard interrupt. So, just bail out immediately
sys.exit(1)
except:
logger.critical('train_DNN threw an exception')
raise
if cfg.GENBNFEA:
# Please only tune on this step when you want to generate bottleneck features from DNN
gen_dir = file_paths.bottleneck_features
bottleneck_size = min(hidden_layer_size)
bottleneck_index = 0
for i in range(len(hidden_layer_size)):
if hidden_layer_size[i] == bottleneck_size:
bottleneck_index = i
logger.info('generating bottleneck features from DNN')
try:
os.makedirs(gen_dir)
except OSError as e:
if e.errno == errno.EEXIST:
# not an error - just means directory already exists
pass
else:
logger.critical('Failed to create generation directory %s' % gen_dir)
logger.critical(' OS error was: %s' % e.strerror)
raise
gen_file_id_list = file_id_list[0:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
test_x_file_list = nn_label_norm_file_list[0:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
gen_file_list = prepare_file_path_list(gen_file_id_list, gen_dir, cfg.cmp_ext)
dnn_hidden_generation(test_x_file_list, nnets_file_name, lab_dim, cfg.cmp_dim, gen_file_list, bottleneck_index)
### generate parameters from DNN
gen_file_id_list = file_id_list[cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
test_x_file_list = nn_label_norm_file_list[cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
if cfg.GenTestList:
gen_file_id_list = test_id_list
test_x_file_list = nn_label_norm_file_list
if cfg.test_synth_dir!="None":
gen_dir = cfg.test_synth_dir
if cfg.DNNGEN:
logger.info('generating from DNN')
try:
os.makedirs(gen_dir)
except OSError as e:
if e.errno == errno.EEXIST:
# not an error - just means directory already exists
pass
else:
logger.critical('Failed to create generation directory %s' % gen_dir)
logger.critical(' OS error was: %s' % e.strerror)
raise
gen_file_list = prepare_file_path_list(gen_file_id_list, gen_dir, cfg.cmp_ext)
if cfg.switch_to_keras:
keras_instance.test_keras_model()
else:
reshape_io = True if cfg.rnn_batch_training else False
dnn_generation(test_x_file_list, nnets_file_name, lab_dim, cfg.cmp_dim, gen_file_list, reshape_io)
logger.debug('denormalising generated output using method %s' % cfg.output_feature_normalisation)
fid = open(norm_info_file, 'rb')
cmp_min_max = numpy.fromfile(fid, dtype=numpy.float32)
fid.close()
cmp_min_max = cmp_min_max.reshape((2, -1))
cmp_min_vector = cmp_min_max[0, ]
cmp_max_vector = cmp_min_max[1, ]
if cfg.output_feature_normalisation == 'MVN':
denormaliser = MeanVarianceNorm(feature_dimension = cfg.cmp_dim)
denormaliser.feature_denormalisation(gen_file_list, gen_file_list, cmp_min_vector, cmp_max_vector)
elif cfg.output_feature_normalisation == 'MINMAX':
denormaliser = MinMaxNormalisation(cfg.cmp_dim, min_value = 0.01, max_value = 0.99, min_vector = cmp_min_vector, max_vector = cmp_max_vector)
denormaliser.denormalise_data(gen_file_list, gen_file_list)
else:
logger.critical('denormalising method %s is not supported!\n' %(cfg.output_feature_normalisation))
raise
if cfg.AcousticModel:
##perform MLPG to smooth parameter trajectory
## lf0 is included, the output features much have vuv.
generator = ParameterGeneration(gen_wav_features = cfg.gen_wav_features, enforce_silence = cfg.enforce_silence)
generator.acoustic_decomposition(gen_file_list, cfg.cmp_dim, cfg.out_dimension_dict, cfg.file_extension_dict, var_file_dict, do_MLPG=cfg.do_MLPG, cfg=cfg)
if cfg.DurationModel:
### Perform duration normalization(min. state dur set to 1) ###
gen_dur_list = prepare_file_path_list(gen_file_id_list, gen_dir, cfg.dur_ext)
gen_label_list = prepare_file_path_list(gen_file_id_list, gen_dir, cfg.lab_ext)
in_gen_label_align_file_list = prepare_file_path_list(gen_file_id_list, cfg.in_label_align_dir, cfg.lab_ext, False)
generator = ParameterGeneration(gen_wav_features = cfg.gen_wav_features)
generator.duration_decomposition(gen_file_list, cfg.cmp_dim, cfg.out_dimension_dict, cfg.file_extension_dict)
label_modifier = HTSLabelModification(silence_pattern = cfg.silence_pattern, label_type = cfg.label_type)
label_modifier.modify_duration_labels(in_gen_label_align_file_list, gen_dur_list, gen_label_list)
### generate wav
if cfg.GENWAV:
logger.info('reconstructing waveform(s)')
generate_wav(gen_dir, gen_file_id_list, cfg) # generated speech
# generate_wav(nn_cmp_dir, gen_file_id_list, cfg) # reference copy synthesis speech
### setting back to original conditions before calculating objective scores ###
if cfg.GenTestList:
in_label_align_file_list = prepare_file_path_list(file_id_list, cfg.in_label_align_dir, cfg.lab_ext, False)
binary_label_file_list = prepare_file_path_list(file_id_list, binary_label_dir, cfg.lab_ext)
gen_file_id_list = file_id_list[cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
### evaluation: RMSE and CORR for duration
if cfg.CALMCD and cfg.DurationModel:
logger.info('calculating MCD')
ref_data_dir = os.path.join(inter_data_dir, 'ref_data')
ref_dur_list = prepare_file_path_list(gen_file_id_list, ref_data_dir, cfg.dur_ext)
in_gen_label_align_file_list = in_label_align_file_list[cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
calculator = IndividualDistortionComp()
valid_file_id_list = file_id_list[cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number]
test_file_id_list = file_id_list[cfg.train_file_number+cfg.valid_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
if cfg.remove_silence_using_binary_labels:
untrimmed_reference_data = in_file_list_dict['dur'][cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
trim_silence(untrimmed_reference_data, ref_dur_list, cfg.dur_dim, \
untrimmed_test_labels, lab_dim, silence_feature)
else:
remover = SilenceRemover(n_cmp = cfg.dur_dim, silence_pattern = cfg.silence_pattern, label_type=cfg.label_type, remove_frame_features = cfg.add_frame_features)
remover.remove_silence(in_file_list_dict['dur'][cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number], in_gen_label_align_file_list, ref_dur_list)
valid_dur_rmse, valid_dur_corr = calculator.compute_distortion(valid_file_id_list, ref_data_dir, gen_dir, cfg.dur_ext, cfg.dur_dim)
test_dur_rmse, test_dur_corr = calculator.compute_distortion(test_file_id_list , ref_data_dir, gen_dir, cfg.dur_ext, cfg.dur_dim)
logger.info('Develop: DNN -- RMSE: %.3f frames/phoneme; CORR: %.3f; ' \
%(valid_dur_rmse, valid_dur_corr))
logger.info('Test: DNN -- RMSE: %.3f frames/phoneme; CORR: %.3f; ' \
%(test_dur_rmse, test_dur_corr))
### evaluation: calculate distortion
if cfg.CALMCD and cfg.AcousticModel:
logger.info('calculating MCD')
ref_data_dir = os.path.join(inter_data_dir, 'ref_data')
ref_mgc_list = prepare_file_path_list(gen_file_id_list, ref_data_dir, cfg.mgc_ext)
ref_bap_list = prepare_file_path_list(gen_file_id_list, ref_data_dir, cfg.bap_ext)
ref_lf0_list = prepare_file_path_list(gen_file_id_list, ref_data_dir, cfg.lf0_ext)
in_gen_label_align_file_list = in_label_align_file_list[cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
calculator = IndividualDistortionComp()
spectral_distortion = 0.0
bap_mse = 0.0
f0_mse = 0.0
vuv_error = 0.0
valid_file_id_list = file_id_list[cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number]
test_file_id_list = file_id_list[cfg.train_file_number+cfg.valid_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
if cfg.remove_silence_using_binary_labels:
## get lab_dim:
label_composer = LabelComposer()
label_composer.load_label_configuration(cfg.label_config_file)
lab_dim=label_composer.compute_label_dimension()
## use first feature in label -- hardcoded for now
silence_feature = 0
## Use these to trim silence:
untrimmed_test_labels = binary_label_file_list[cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
if 'mgc' in cfg.in_dimension_dict:
if cfg.remove_silence_using_binary_labels:
untrimmed_reference_data = in_file_list_dict['mgc'][cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
trim_silence(untrimmed_reference_data, ref_mgc_list, cfg.mgc_dim, \
untrimmed_test_labels, lab_dim, silence_feature)
elif cfg.remove_silence_using_hts_labels:
remover = SilenceRemover(n_cmp = cfg.mgc_dim, silence_pattern = cfg.silence_pattern, label_type=cfg.label_type)
remover.remove_silence(in_file_list_dict['mgc'][cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number], in_gen_label_align_file_list, ref_mgc_list)
else:
ref_data_dir = os.path.join(data_dir, 'mgc')
valid_spectral_distortion = calculator.compute_distortion(valid_file_id_list, ref_data_dir, gen_dir, cfg.mgc_ext, cfg.mgc_dim)
test_spectral_distortion = calculator.compute_distortion(test_file_id_list , ref_data_dir, gen_dir, cfg.mgc_ext, cfg.mgc_dim)
valid_spectral_distortion *= (10 /numpy.log(10)) * numpy.sqrt(2.0) ##MCD
test_spectral_distortion *= (10 /numpy.log(10)) * numpy.sqrt(2.0) ##MCD
if 'bap' in cfg.in_dimension_dict:
if cfg.remove_silence_using_binary_labels:
untrimmed_reference_data = in_file_list_dict['bap'][cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
trim_silence(untrimmed_reference_data, ref_bap_list, cfg.bap_dim, \
untrimmed_test_labels, lab_dim, silence_feature)
elif cfg.remove_silence_using_hts_labels:
remover = SilenceRemover(n_cmp = cfg.bap_dim, silence_pattern = cfg.silence_pattern, label_type=cfg.label_type)
remover.remove_silence(in_file_list_dict['bap'][cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number], in_gen_label_align_file_list, ref_bap_list)
else:
ref_data_dir = os.path.join(data_dir, 'bap')
valid_bap_mse = calculator.compute_distortion(valid_file_id_list, ref_data_dir, gen_dir, cfg.bap_ext, cfg.bap_dim)
test_bap_mse = calculator.compute_distortion(test_file_id_list , ref_data_dir, gen_dir, cfg.bap_ext, cfg.bap_dim)
valid_bap_mse = valid_bap_mse / 10.0 ##Cassia's bap is computed from 10*log|S(w)|. if use HTS/SPTK style, do the same as MGC
test_bap_mse = test_bap_mse / 10.0 ##Cassia's bap is computed from 10*log|S(w)|. if use HTS/SPTK style, do the same as MGC
if 'lf0' in cfg.in_dimension_dict:
if cfg.remove_silence_using_binary_labels:
untrimmed_reference_data = in_file_list_dict['lf0'][cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
trim_silence(untrimmed_reference_data, ref_lf0_list, cfg.lf0_dim, \
untrimmed_test_labels, lab_dim, silence_feature)
elif cfg.remove_silence_using_hts_labels:
remover = SilenceRemover(n_cmp = cfg.lf0_dim, silence_pattern = cfg.silence_pattern, label_type=cfg.label_type)
remover.remove_silence(in_file_list_dict['lf0'][cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number], in_gen_label_align_file_list, ref_lf0_list)
else:
ref_data_dir = os.path.join(data_dir, 'lf0')
valid_f0_mse, valid_f0_corr, valid_vuv_error = calculator.compute_distortion(valid_file_id_list, ref_data_dir, gen_dir, cfg.lf0_ext, cfg.lf0_dim)
test_f0_mse , test_f0_corr, test_vuv_error = calculator.compute_distortion(test_file_id_list , ref_data_dir, gen_dir, cfg.lf0_ext, cfg.lf0_dim)
logger.info('Develop: DNN -- MCD: %.3f dB; BAP: %.3f dB; F0:- RMSE: %.3f Hz; CORR: %.3f; VUV: %.3f%%' \
%(valid_spectral_distortion, valid_bap_mse, valid_f0_mse, valid_f0_corr, valid_vuv_error*100.))
logger.info('Test : DNN -- MCD: %.3f dB; BAP: %.3f dB; F0:- RMSE: %.3f Hz; CORR: %.3f; VUV: %.3f%%' \
%(test_spectral_distortion , test_bap_mse , test_f0_mse , test_f0_corr, test_vuv_error*100.))
def data_prep(cfg, label_normaliser):
lab_dim = 0
label_data_dir = 0
in_label_align_file_list = 0
binary_label_file_list = 0
data_dir =0
suffix =0
nn_label_file_list=0
nn_label_norm_file_list=0
binary_label_dir = 0
nn_label_dir = 0
dur_file_list = 0
min_max_normaliser = None
label_norm_file = 'label_norm_%s_%d.dat' % (cfg.label_style, lab_dim)
label_norm_file = os.path.join(label_data_dir, label_norm_file)
# Collect file path lists for TEST set (label_align, binary_label, nn_label, nn_label_norm)
if cfg.GenTestList:
try:
test_id_list = read_file_list(cfg.test_id_scp)
logger.debug('Loaded file id list from %s' % cfg.test_id_scp)
except IOError:
# this means that open(...) threw an error
logger.critical('Could not load file id list from %s' % cfg.test_id_scp)
raise
in_label_align_file_list = prepare_file_path_list(test_id_list, cfg.in_label_align_dir, cfg.lab_ext, False)
binary_label_file_list = prepare_file_path_list(test_id_list, binary_label_dir, cfg.lab_ext)
nn_label_file_list = prepare_file_path_list(test_id_list, nn_label_dir, cfg.lab_ext)
nn_label_norm_file_list = prepare_file_path_list(test_id_list, nn_label_norm_dir, cfg.lab_ext)
if cfg.NORMLAB and (cfg.label_style == 'HTS'):
# simple HTS labels
logger.info('preparing label data (input) using standard HTS style labels')
label_normaliser.perform_normalisation(in_label_align_file_list, binary_label_file_list,
label_type=cfg.label_type)
if cfg.additional_features:
out_feat_dir = os.path.join(data_dir, 'binary_label_' + suffix)
out_feat_file_list = prepare_file_path_list(file_id_list, out_feat_dir, cfg.lab_ext)
in_dim = label_normaliser.dimension
for new_feature, new_feature_dim in cfg.additional_features.items():
new_feat_dir = os.path.join(data_dir, new_feature)
new_feat_file_list = prepare_file_path_list(file_id_list, new_feat_dir, '.' + new_feature)
merger = MergeFeat(lab_dim=in_dim, feat_dim=new_feature_dim)
merger.merge_data(binary_label_file_list, new_feat_file_list, out_feat_file_list)
in_dim += new_feature_dim
binary_label_file_list = out_feat_file_list
remover = SilenceRemover(n_cmp=lab_dim, silence_pattern=cfg.silence_pattern, label_type=cfg.label_type,
remove_frame_features=cfg.add_frame_features, subphone_feats=cfg.subphone_feats)
remover.remove_silence(binary_label_file_list, in_label_align_file_list, nn_label_file_list)
min_max_normaliser = MinMaxNormalisation(feature_dimension=lab_dim, min_value=0.01, max_value=0.99)
# use only training data to find min-max information, then apply on the whole dataset
if cfg.GenTestList:
min_max_normaliser.load_min_max_values(label_norm_file)
else:
min_max_normaliser.find_min_max_values(nn_label_file_list[0:cfg.train_file_number])
# enforce silence such that the normalization runs without removing silence: only for final synthesis
if cfg.GenTestList and cfg.enforce_silence:
min_max_normaliser.normalise_data(binary_label_file_list, nn_label_norm_file_list)
else:
min_max_normaliser.normalise_data(nn_label_file_list, nn_label_norm_file_list)
# save label normalisation information for unseen testing labels
if min_max_normaliser is not None and not cfg.GenTestList:
label_min_vector = min_max_normaliser.min_vector
label_max_vector = min_max_normaliser.max_vector
label_norm_info = np.concatenate((label_min_vector, label_max_vector), axis=0)
label_norm_info = np.array(label_norm_info, 'float32')
fid = open(label_norm_file, 'wb')
label_norm_info.tofile(fid)
fid.close()
logger.info('saved %s vectors to %s' % (label_min_vector.size, label_norm_file))
### make output duration data
if cfg.MAKEDUR:
logger.info('creating duration (output) features')
label_type = cfg.label_type
feature_type = cfg.dur_feature_type
label_normaliser.prepare_dur_data(in_label_align_file_list, dur_file_list, label_type, feature_type)
### make output acoustic data
if cfg.MAKECMP:
logger.info('creating acoustic (output) features')
delta_win = cfg.delta_win # [-0.5, 0.0, 0.5]
acc_win = cfg.acc_win # [1.0, -2.0, 1.0]
acoustic_worker = AcousticComposition(delta_win=delta_win, acc_win=acc_win)
if 'dur' in list(cfg.in_dir_dict.keys()) and cfg.AcousticModel:
acoustic_worker.make_equal_frames(dur_file_list, lf0_file_list, cfg.in_dimension_dict)
acoustic_worker.prepare_nn_data(in_file_list_dict, nn_cmp_file_list, cfg.in_dimension_dict,
cfg.out_dimension_dict)
if cfg.remove_silence_using_binary_labels:
## do this to get lab_dim:
label_composer = LabelComposer()
label_composer.load_label_configuration(cfg.label_config_file)
lab_dim = label_composer.compute_label_dimension()
silence_feature = 0 ## use first feature in label -- hardcoded for now
logger.info('Silence removal from CMP using binary label file')
## overwrite the untrimmed audio with the trimmed version:
trim_silence(nn_cmp_file_list, nn_cmp_file_list, cfg.cmp_dim,
binary_label_file_list, lab_dim, silence_feature)
else: ## back off to previous method using HTS labels:
remover = SilenceRemover(n_cmp=cfg.cmp_dim, silence_pattern=cfg.silence_pattern, label_type=cfg.label_type,
remove_frame_features=cfg.add_frame_features, subphone_feats=cfg.subphone_feats)
remover.remove_silence(nn_cmp_file_list[0:cfg.train_file_number + cfg.valid_file_number],
in_label_align_file_list[0:cfg.train_file_number + cfg.valid_file_number],
nn_cmp_file_list[0:cfg.train_file_number + cfg.valid_file_number]) # save to itself
def main_function(cfg):
# get a logger for this main function
logger = logging.getLogger("main")
# get another logger to handle plotting duties
plotlogger = logging.getLogger("plotting")
# later, we might do this via a handler that is created, attached and configured
# using the standard config mechanism of the logging module
# but for now we need to do it manually
plotlogger.set_plot_path(cfg.plot_dir)
#### parameter setting########
hidden_layer_size = cfg.hyper_params['hidden_layer_size']
####prepare environment
try:
file_id_list = read_file_list(cfg.file_id_scp)
logger.debug('Loaded file id list from %s' % cfg.file_id_scp)
except IOError:
# this means that open(...) threw an error
logger.critical('Could not load file id list from %s' % cfg.file_id_scp)
raise
###total file number including training, development, and testing
total_file_number = len(file_id_list)
data_dir = cfg.data_dir
nn_cmp_dir = os.path.join(data_dir, 'nn' + cfg.combined_feature_name + '_' + str(cfg.cmp_dim))
nn_cmp_norm_dir = os.path.join(data_dir, 'nn_norm' + cfg.combined_feature_name + '_' + str(cfg.cmp_dim))
model_dir = os.path.join(cfg.work_dir, 'nnets_model')
gen_dir = os.path.join(cfg.work_dir, 'gen')
in_file_list_dict = {}
for feature_name in list(cfg.in_dir_dict.keys()):
in_file_list_dict[feature_name] = prepare_file_path_list(file_id_list, cfg.in_dir_dict[feature_name], cfg.file_extension_dict[feature_name], False)
nn_cmp_file_list = prepare_file_path_list(file_id_list, nn_cmp_dir, cfg.cmp_ext)
nn_cmp_norm_file_list = prepare_file_path_list(file_id_list, nn_cmp_norm_dir, cfg.cmp_ext)
###normalisation information
norm_info_file = os.path.join(data_dir, 'norm_info' + cfg.combined_feature_name + '_' + str(cfg.cmp_dim) + '_' + cfg.output_feature_normalisation + '.dat')
### normalise input full context label
# currently supporting two different forms of lingustic features
# later, we should generalise this
if cfg.label_style == 'HTS':
label_normaliser = HTSLabelNormalisation(question_file_name=cfg.question_file_name)
lab_dim = label_normaliser.dimension + cfg.appended_input_dim
logger.info('Input label dimension is %d' % lab_dim)
suffix=str(lab_dim)
# no longer supported - use new "composed" style labels instead
elif cfg.label_style == 'composed':
# label_normaliser = XMLLabelNormalisation(xpath_file_name=cfg.xpath_file_name)
suffix='composed'
if cfg.process_labels_in_work_dir:
label_data_dir = cfg.work_dir
else:
label_data_dir = data_dir
# the number can be removed
binary_label_dir = os.path.join(label_data_dir, 'binary_label_'+suffix)
nn_label_dir = os.path.join(label_data_dir, 'nn_no_silence_lab_'+suffix)
nn_label_norm_dir = os.path.join(label_data_dir, 'nn_no_silence_lab_norm_'+suffix)
in_label_align_file_list = prepare_file_path_list(file_id_list, cfg.in_label_align_dir, cfg.lab_ext, False)
binary_label_file_list = prepare_file_path_list(file_id_list, binary_label_dir, cfg.lab_ext)
nn_label_file_list = prepare_file_path_list(file_id_list, nn_label_dir, cfg.lab_ext)
nn_label_norm_file_list = prepare_file_path_list(file_id_list, nn_label_norm_dir, cfg.lab_ext)
# to do - sanity check the label dimension here?
min_max_normaliser = None
label_norm_file = 'label_norm_%s.dat' %(cfg.label_style)
label_norm_file = os.path.join(label_data_dir, label_norm_file)
if cfg.NORMLAB and (cfg.label_style == 'HTS'):
# simple HTS labels
logger.info('preparing label data (input) using standard HTS style labels')
label_normaliser.perform_normalisation(in_label_align_file_list, binary_label_file_list)
remover = SilenceRemover(n_cmp = lab_dim, silence_pattern = cfg.silence_pattern)
remover.remove_silence(binary_label_file_list, in_label_align_file_list, nn_label_file_list)
min_max_normaliser = MinMaxNormalisation(feature_dimension = lab_dim, min_value = 0.01, max_value = 0.99)
###use only training data to find min-max information, then apply on the whole dataset
min_max_normaliser.find_min_max_values(nn_label_file_list[0:cfg.train_file_number])
min_max_normaliser.normalise_data(nn_label_file_list, nn_label_norm_file_list)
if cfg.NORMLAB and (cfg.label_style == 'composed'):
# new flexible label preprocessor
logger.info('preparing label data (input) using "composed" style labels')
label_composer = LabelComposer()
label_composer.load_label_configuration(cfg.label_config_file)
logger.info('Loaded label configuration')
# logger.info('%s' % label_composer.configuration.labels )
lab_dim=label_composer.compute_label_dimension()
logger.info('label dimension will be %d' % lab_dim)
if cfg.precompile_xpaths:
label_composer.precompile_xpaths()
# there are now a set of parallel input label files (e.g, one set of HTS and another set of Ossian trees)
# create all the lists of these, ready to pass to the label composer
in_label_align_file_list = {}
for label_style, label_style_required in label_composer.label_styles.items():
if label_style_required:
logger.info('labels of style %s are required - constructing file paths for them' % label_style)
if label_style == 'xpath':
in_label_align_file_list['xpath'] = prepare_file_path_list(file_id_list, cfg.xpath_label_align_dir, cfg.utt_ext, False)
elif label_style == 'hts':
in_label_align_file_list['hts'] = prepare_file_path_list(file_id_list, cfg.hts_label_align_dir, cfg.lab_ext, False)
else:
logger.critical('unsupported label style %s specified in label configuration' % label_style)
raise Exception
# now iterate through the files, one at a time, constructing the labels for them
num_files=len(file_id_list)
logger.info('the label styles required are %s' % label_composer.label_styles)
for i in range(num_files):
logger.info('making input label features for %4d of %4d' % (i+1,num_files))
# iterate through the required label styles and open each corresponding label file
# a dictionary of file descriptors, pointing at the required files
required_labels={}
for label_style, label_style_required in label_composer.label_styles.items():
# the files will be a parallel set of files for a single utterance
# e.g., the XML tree and an HTS label file
if label_style_required:
required_labels[label_style] = open(in_label_align_file_list[label_style][i] , 'r')
logger.debug(' opening label file %s' % in_label_align_file_list[label_style][i])
logger.debug('label styles with open files: %s' % required_labels)
label_composer.make_labels(required_labels,out_file_name=binary_label_file_list[i],fill_missing_values=cfg.fill_missing_values,iterate_over_frames=cfg.iterate_over_frames)
# now close all opened files
for fd in required_labels.values():
fd.close()
# silence removal
if cfg.remove_silence_using_binary_labels:
silence_feature = 0 ## use first feature in label -- hardcoded for now
logger.info('Silence removal from label using silence feature: %s'%(label_composer.configuration.labels[silence_feature]))
logger.info('Silence will be removed from CMP files in same way')
## Binary labels have 2 roles: both the thing trimmed and the instructions for trimming:
trim_silence(binary_label_file_list, nn_label_file_list, lab_dim, \
binary_label_file_list, lab_dim, silence_feature)
else:
logger.info('No silence removal done')
# start from the labels we have just produced, not trimmed versions
nn_label_file_list = binary_label_file_list
min_max_normaliser = MinMaxNormalisation(feature_dimension = lab_dim, min_value = 0.01, max_value = 0.99)
###use only training data to find min-max information, then apply on the whole dataset
min_max_normaliser.find_min_max_values(nn_label_file_list[0:cfg.train_file_number])
min_max_normaliser.normalise_data(nn_label_file_list, nn_label_norm_file_list)
if min_max_normaliser != None:
### save label normalisation information for unseen testing labels
label_min_vector = min_max_normaliser.min_vector
label_max_vector = min_max_normaliser.max_vector
label_norm_info = numpy.concatenate((label_min_vector, label_max_vector), axis=0)
label_norm_info = numpy.array(label_norm_info, 'float32')
fid = open(label_norm_file, 'wb')
label_norm_info.tofile(fid)
fid.close()
logger.info('saved %s vectors to %s' %(label_min_vector.size, label_norm_file))
### make output acoustic data
if cfg.MAKECMP:
logger.info('creating acoustic (output) features')
delta_win = cfg.delta_win #[-0.5, 0.0, 0.5]
acc_win = cfg.acc_win #[1.0, -2.0, 1.0]
acoustic_worker = AcousticComposition(delta_win = delta_win, acc_win = acc_win)
acoustic_worker.prepare_nn_data(in_file_list_dict, nn_cmp_file_list, cfg.in_dimension_dict, cfg.out_dimension_dict)
if cfg.remove_silence_using_binary_labels:
## do this to get lab_dim:
label_composer = LabelComposer()
label_composer.load_label_configuration(cfg.label_config_file)
lab_dim=label_composer.compute_label_dimension()
silence_feature = 0 ## use first feature in label -- hardcoded for now
logger.info('Silence removal from CMP using binary label file')
## overwrite the untrimmed audio with the trimmed version:
trim_silence(nn_cmp_file_list, nn_cmp_file_list, cfg.cmp_dim,
binary_label_file_list, lab_dim, silence_feature)
else: ## back off to previous method using HTS labels:
remover = SilenceRemover(n_cmp = cfg.cmp_dim, silence_pattern = cfg.silence_pattern)
remover.remove_silence(nn_cmp_file_list[0:cfg.train_file_number+cfg.valid_file_number],
in_label_align_file_list[0:cfg.train_file_number+cfg.valid_file_number],
nn_cmp_file_list[0:cfg.train_file_number+cfg.valid_file_number]) # save to itself
### save acoustic normalisation information for normalising the features back
var_dir = os.path.join(data_dir, 'var')
if not os.path.exists(var_dir):
os.makedirs(var_dir)
var_file_dict = {}
for feature_name in list(cfg.out_dimension_dict.keys()):
var_file_dict[feature_name] = os.path.join(var_dir, feature_name + '_' + str(cfg.out_dimension_dict[feature_name]))
### normalise output acoustic data
if cfg.NORMCMP:
logger.info('normalising acoustic (output) features using method %s' % cfg.output_feature_normalisation)
cmp_norm_info = None
if cfg.output_feature_normalisation == 'MVN':
normaliser = MeanVarianceNorm(feature_dimension=cfg.cmp_dim)
###calculate mean and std vectors on the training data, and apply on the whole dataset
global_mean_vector = normaliser.compute_mean(nn_cmp_file_list[0:cfg.train_file_number], 0, cfg.cmp_dim)
global_std_vector = normaliser.compute_std(nn_cmp_file_list[0:cfg.train_file_number], global_mean_vector, 0, cfg.cmp_dim)
normaliser.feature_normalisation(nn_cmp_file_list[0:cfg.train_file_number+cfg.valid_file_number],
nn_cmp_norm_file_list[0:cfg.train_file_number+cfg.valid_file_number])
cmp_norm_info = numpy.concatenate((global_mean_vector, global_std_vector), axis=0)
elif cfg.output_feature_normalisation == 'MINMAX':
min_max_normaliser = MinMaxNormalisation(feature_dimension = cfg.cmp_dim)
global_mean_vector = min_max_normaliser.compute_mean(nn_cmp_file_list[0:cfg.train_file_number])
global_std_vector = min_max_normaliser.compute_std(nn_cmp_file_list[0:cfg.train_file_number], global_mean_vector)
min_max_normaliser = MinMaxNormalisation(feature_dimension = cfg.cmp_dim, min_value = 0.01, max_value = 0.99)
min_max_normaliser.find_min_max_values(nn_cmp_file_list[0:cfg.train_file_number])
min_max_normaliser.normalise_data(nn_cmp_file_list, nn_cmp_norm_file_list)
cmp_min_vector = min_max_normaliser.min_vector
cmp_max_vector = min_max_normaliser.max_vector
cmp_norm_info = numpy.concatenate((cmp_min_vector, cmp_max_vector), axis=0)
else:
logger.critical('Normalisation type %s is not supported!\n' %(cfg.output_feature_normalisation))
raise
cmp_norm_info = numpy.array(cmp_norm_info, 'float32')
fid = open(norm_info_file, 'wb')
cmp_norm_info.tofile(fid)
fid.close()
logger.info('saved %s vectors to %s' %(cfg.output_feature_normalisation, norm_info_file))
feature_index = 0
for feature_name in list(cfg.out_dimension_dict.keys()):
feature_std_vector = numpy.array(global_std_vector[:,feature_index:feature_index+cfg.out_dimension_dict[feature_name]], 'float32')
fid = open(var_file_dict[feature_name], 'w')
feature_std_vector.tofile(fid)
fid.close()
logger.info('saved %s variance vector to %s' %(feature_name, var_file_dict[feature_name]))
feature_index += cfg.out_dimension_dict[feature_name]
train_x_file_list = nn_label_norm_file_list[0:cfg.train_file_number]
train_y_file_list = nn_cmp_norm_file_list[0:cfg.train_file_number]
valid_x_file_list = nn_label_norm_file_list[cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number]
valid_y_file_list = nn_cmp_norm_file_list[cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number]
test_x_file_list = nn_label_norm_file_list[cfg.train_file_number+cfg.valid_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
test_y_file_list = nn_cmp_norm_file_list[cfg.train_file_number+cfg.valid_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
# we need to know the label dimension before training the DNN
# computing that requires us to look at the labels
#
# currently, there are two ways to do this
if cfg.label_style == 'HTS':
label_normaliser = HTSLabelNormalisation(question_file_name=cfg.question_file_name)
lab_dim = label_normaliser.dimension + cfg.appended_input_dim
elif cfg.label_style == 'composed':
label_composer = LabelComposer()
label_composer.load_label_configuration(cfg.label_config_file)
lab_dim=label_composer.compute_label_dimension()
logger.info('label dimension is %d' % lab_dim)
combined_model_arch = str(len(hidden_layer_size))
for hid_size in hidden_layer_size:
combined_model_arch += '_' + str(hid_size)
nnets_file_name = '%s/%s_%s_%d_%s_%d.%d.train.%d.%f.nn.model' \
%(model_dir, cfg.combined_model_name, cfg.combined_feature_name, int(cfg.multistream_switch),
combined_model_arch, lab_dim, cfg.cmp_dim, cfg.train_file_number, cfg.hyper_params['learning_rate'])
### DNN model training
if cfg.TRAINDNN:
var_dict = load_covariance(var_file_dict, cfg.out_dimension_dict)
logger.info('training DNN')
fid = open(norm_info_file, 'rb')
cmp_min_max = numpy.fromfile(fid, dtype=numpy.float32)
fid.close()
cmp_min_max = cmp_min_max.reshape((2, -1))
cmp_mean_vector = cmp_min_max[0, ]
cmp_std_vector = cmp_min_max[1, ]
try:
os.makedirs(model_dir)
except OSError as e:
if e.errno == errno.EEXIST:
# not an error - just means directory already exists
pass
else:
logger.critical('Failed to create model directory %s' % model_dir)
logger.critical(' OS error was: %s' % e.strerror)
raise
try:
train_DNN(train_xy_file_list = (train_x_file_list, train_y_file_list), \
valid_xy_file_list = (valid_x_file_list, valid_y_file_list), \
nnets_file_name = nnets_file_name, \
n_ins = lab_dim, n_outs = cfg.cmp_dim, ms_outs = cfg.multistream_outs, \
hyper_params = cfg.hyper_params, buffer_size = cfg.buffer_size, plot = cfg.plot, var_dict = var_dict,
cmp_mean_vector = cmp_mean_vector, cmp_std_vector = cmp_std_vector, init_dnn_model_file = cfg.start_from_trained_model)
except KeyboardInterrupt:
logger.critical('train_DNN interrupted via keyboard')
# Could 'raise' the exception further, but that causes a deep traceback to be printed
# which we don't care about for a keyboard interrupt. So, just bail out immediately
sys.exit(1)
except:
logger.critical('train_DNN threw an exception')
raise
### generate parameters from DNN
temp_dir_name = '%s_%s_%d_%d_%d_%d_%d_%d' \
%(cfg.combined_model_name, cfg.combined_feature_name, int(cfg.do_post_filtering), \
cfg.train_file_number, lab_dim, cfg.cmp_dim, \
len(hidden_layer_size), hidden_layer_size[0])
gen_dir = os.path.join(gen_dir, temp_dir_name)
gen_file_id_list = file_id_list[cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
test_x_file_list = nn_label_norm_file_list[cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
if cfg.DNNGEN:
logger.info('generating from DNN')
try:
os.makedirs(gen_dir)
except OSError as e:
if e.errno == errno.EEXIST:
# not an error - just means directory already exists
pass
else:
logger.critical('Failed to create generation directory %s' % gen_dir)
logger.critical(' OS error was: %s' % e.strerror)
raise
gen_file_list = prepare_file_path_list(gen_file_id_list, gen_dir, cfg.cmp_ext)
dnn_generation(test_x_file_list, nnets_file_name, lab_dim, cfg.cmp_dim, gen_file_list)
logger.debug('denormalising generated output using method %s' % cfg.output_feature_normalisation)
fid = open(norm_info_file, 'rb')
cmp_min_max = numpy.fromfile(fid, dtype=numpy.float32)
fid.close()
cmp_min_max = cmp_min_max.reshape((2, -1))
cmp_min_vector = cmp_min_max[0, ]
cmp_max_vector = cmp_min_max[1, ]
if cfg.output_feature_normalisation == 'MVN':
denormaliser = MeanVarianceNorm(feature_dimension = cfg.cmp_dim)
denormaliser.feature_denormalisation(gen_file_list, gen_file_list, cmp_min_vector, cmp_max_vector)
elif cfg.output_feature_normalisation == 'MINMAX':
denormaliser = MinMaxNormalisation(cfg.cmp_dim, min_value = 0.01, max_value = 0.99, min_vector = cmp_min_vector, max_vector = cmp_max_vector)
denormaliser.denormalise_data(gen_file_list, gen_file_list)
else:
logger.critical('denormalising method %s is not supported!\n' %(cfg.output_feature_normalisation))
raise
##perform MLPG to smooth parameter trajectory
## lf0 is included, the output features much have vuv.
generator = ParameterGeneration(gen_wav_features = cfg.gen_wav_features)
generator.acoustic_decomposition(gen_file_list, cfg.cmp_dim, cfg.out_dimension_dict, cfg.file_extension_dict, var_file_dict)
### generate wav
if cfg.GENWAV:
logger.info('reconstructing waveform(s)')
print(len(gen_file_id_list))
generate_wav(gen_dir, gen_file_id_list[cfg.valid_file_number:cfg.valid_file_number+cfg.test_file_number], cfg) # generated speech
# generate_wav(nn_cmp_dir, gen_file_id_list) # reference copy synthesis speech
### evaluation: calculate distortion
if cfg.CALMCD:
logger.info('calculating MCD')
ref_data_dir = os.path.join(data_dir, 'ref_data')
ref_mgc_list = prepare_file_path_list(gen_file_id_list, ref_data_dir, cfg.mgc_ext)
ref_bap_list = prepare_file_path_list(gen_file_id_list, ref_data_dir, cfg.bap_ext)
ref_lf0_list = prepare_file_path_list(gen_file_id_list, ref_data_dir, cfg.lf0_ext)
in_gen_label_align_file_list = in_label_align_file_list[cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
calculator = IndividualDistortionComp()
spectral_distortion = 0.0
bap_mse = 0.0
f0_mse = 0.0
vuv_error = 0.0
valid_file_id_list = file_id_list[cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number]
test_file_id_list = file_id_list[cfg.train_file_number+cfg.valid_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
if cfg.remove_silence_using_binary_labels:
## get lab_dim:
label_composer = LabelComposer()
label_composer.load_label_configuration(cfg.label_config_file)
lab_dim=label_composer.compute_label_dimension()
## use first feature in label -- hardcoded for now
silence_feature = 0
## Use these to trim silence:
untrimmed_test_labels = binary_label_file_list[cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
if 'mgc' in cfg.in_dimension_dict:
if cfg.remove_silence_using_binary_labels:
untrimmed_reference_data = in_file_list_dict['mgc'][cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
trim_silence(untrimmed_reference_data, ref_mgc_list, cfg.mgc_dim, \
untrimmed_test_labels, lab_dim, silence_feature)
else:
remover = SilenceRemover(n_cmp = cfg.mgc_dim, silence_pattern = cfg.silence_pattern)
remover.remove_silence(in_file_list_dict['mgc'][cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number], in_gen_label_align_file_list, ref_mgc_list)
valid_spectral_distortion = calculator.compute_distortion(valid_file_id_list, ref_data_dir, gen_dir, cfg.mgc_ext, cfg.mgc_dim)
test_spectral_distortion = calculator.compute_distortion(test_file_id_list , ref_data_dir, gen_dir, cfg.mgc_ext, cfg.mgc_dim)
valid_spectral_distortion *= (10 /numpy.log(10)) * numpy.sqrt(2.0) ##MCD
test_spectral_distortion *= (10 /numpy.log(10)) * numpy.sqrt(2.0) ##MCD
if 'bap' in cfg.in_dimension_dict:
if cfg.remove_silence_using_binary_labels:
untrimmed_reference_data = in_file_list_dict['bap'][cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
trim_silence(untrimmed_reference_data, ref_bap_list, cfg.bap_dim, \
untrimmed_test_labels, lab_dim, silence_feature)
else:
remover = SilenceRemover(n_cmp = cfg.bap_dim, silence_pattern = cfg.silence_pattern)
remover.remove_silence(in_file_list_dict['bap'][cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number], in_gen_label_align_file_list, ref_bap_list)
valid_bap_mse = calculator.compute_distortion(valid_file_id_list, ref_data_dir, gen_dir, cfg.bap_ext, cfg.bap_dim)
test_bap_mse = calculator.compute_distortion(test_file_id_list , ref_data_dir, gen_dir, cfg.bap_ext, cfg.bap_dim)
valid_bap_mse = valid_bap_mse / 10.0 ##Cassia's bap is computed from 10*log|S(w)|. if use HTS/SPTK style, do the same as MGC
test_bap_mse = test_bap_mse / 10.0 ##Cassia's bap is computed from 10*log|S(w)|. if use HTS/SPTK style, do the same as MGC
if 'lf0' in cfg.in_dimension_dict:
if cfg.remove_silence_using_binary_labels:
untrimmed_reference_data = in_file_list_dict['lf0'][cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number]
trim_silence(untrimmed_reference_data, ref_lf0_list, cfg.lf0_dim, \
untrimmed_test_labels, lab_dim, silence_feature)
else:
remover = SilenceRemover(n_cmp = cfg.lf0_dim, silence_pattern = cfg.silence_pattern)
remover.remove_silence(in_file_list_dict['lf0'][cfg.train_file_number:cfg.train_file_number+cfg.valid_file_number+cfg.test_file_number], in_gen_label_align_file_list, ref_lf0_list)
valid_f0_mse, valid_vuv_error = calculator.compute_distortion(valid_file_id_list, ref_data_dir, gen_dir, cfg.lf0_ext, cfg.lf0_dim)
test_f0_mse , test_vuv_error = calculator.compute_distortion(test_file_id_list , ref_data_dir, gen_dir, cfg.lf0_ext, cfg.lf0_dim)
logger.info('Develop: DNN -- MCD: %.3f dB; BAP: %.3f dB; F0: %.3f Hz; VUV: %.3f%%' \
%(valid_spectral_distortion, valid_bap_mse, valid_f0_mse, valid_vuv_error*100.))
logger.info('Test : DNN -- MCD: %.3f dB; BAP: %.3f dB; F0: %.3f Hz; VUV: %.3f%%' \
%(test_spectral_distortion , test_bap_mse , test_f0_mse , test_vuv_error*100.))
def main_function_synth(cfg, dnn_model):
# get a logger for this main function
logger = logging.getLogger("main")
# get another logger to handle plotting duties
plotlogger = logging.getLogger("plotting")
# later, we might do this via a handler that is created, attached and configured
# using the standard config mechanism of the logging module
# but for now we need to do it manually
plotlogger.set_plot_path(cfg.plot_dir)
#### parameter setting########
hidden_layer_size = cfg.hyper_params['hidden_layer_size']
####prepare environment
try:
file_id_list = read_file_list(cfg.file_id_scp)
logger.debug('Loaded file id list from %s' % cfg.file_id_scp)
except IOError:
# this means that open(...) threw an error
logger.critical('Could not load file id list from %s' %
cfg.file_id_scp)
raise
###total file number including training, development, and testing
total_file_number = len(file_id_list)
data_dir = cfg.data_dir
nn_cmp_dir = os.path.join(
data_dir, 'nn' + cfg.combined_feature_name + '_' + str(cfg.cmp_dim))
nn_cmp_norm_dir = os.path.join(
data_dir,
'nn_norm' + cfg.combined_feature_name + '_' + str(cfg.cmp_dim))
#model_dir = os.path.join(cfg.work_dir, 'nnets_model')
gen_dir = os.path.join(cfg.work_dir, 'gen')
in_file_list_dict = {}
for feature_name in cfg.in_dir_dict.keys():
in_file_list_dict[feature_name] = prepare_file_path_list(
file_id_list, cfg.in_dir_dict[feature_name],
cfg.file_extension_dict[feature_name], False)
nn_cmp_file_list = prepare_file_path_list(file_id_list, nn_cmp_dir,
cfg.cmp_ext)
nn_cmp_norm_file_list = prepare_file_path_list(file_id_list,
nn_cmp_norm_dir,
cfg.cmp_ext)
###normalisation information
norm_info_file = os.path.join(
data_dir, 'norm_info' + cfg.combined_feature_name + '_' +
str(cfg.cmp_dim) + '_' + cfg.output_feature_normalisation + '.dat')
### normalise input full context label
# currently supporting two different forms of lingustic features
# later, we should generalise this
if cfg.label_style == 'HTS':
label_normaliser = HTSLabelNormalisation(
question_file_name=cfg.question_file_name,
add_frame_features=cfg.add_frame_features,
subphone_feats=cfg.subphone_feats)
add_feat_dim = sum(cfg.additional_features.values())
lab_dim = label_normaliser.dimension + add_feat_dim + cfg.appended_input_dim
logger.info('Input label dimension is %d' % lab_dim)
suffix = str(lab_dim)
# no longer supported - use new "composed" style labels instead
elif cfg.label_style == 'composed':
# label_normaliser = XMLLabelNormalisation(xpath_file_name=cfg.xpath_file_name)
suffix = 'composed'
dnn_generation
if cfg.process_labels_in_work_dir:
label_data_dir = cfg.work_dir
else:
label_data_dir = data_dir
# the number can be removed
binary_label_dir = os.path.join(
label_data_dir, 'binary_label_' + str(label_normaliser.dimension))
nn_label_dir = os.path.join(label_data_dir, 'nn_no_silence_lab_' + suffix)
nn_label_norm_dir = os.path.join(label_data_dir,
'nn_no_silence_lab_norm_' + suffix)
in_label_align_file_list = prepare_file_path_list(file_id_list,
cfg.in_label_align_dir,
cfg.lab_ext, False)
binary_label_file_list = prepare_file_path_list(file_id_list,
binary_label_dir,
cfg.lab_ext)
nn_label_file_list = prepare_file_path_list(file_id_list, nn_label_dir,
cfg.lab_ext)
nn_label_norm_file_list = prepare_file_path_list(file_id_list,
nn_label_norm_dir,
cfg.lab_ext)
dur_file_list = prepare_file_path_list(file_id_list, cfg.in_dur_dir,
cfg.dur_ext)
lf0_file_list = prepare_file_path_list(file_id_list, cfg.in_lf0_dir,
cfg.lf0_ext)
# to do - sanity check the label dimension here?
min_max_normaliser = None
label_norm_file = 'label_norm_%s_%d.dat' % (cfg.label_style, lab_dim)
label_norm_file = os.path.join(label_data_dir, label_norm_file)
if cfg.GenTestList:
try:
test_id_list = read_file_list(cfg.test_id_scp)
logger.debug('Loaded file id list from %s' % cfg.test_id_scp)
except IOError:
# this means that open(...) threw an error
logger.critical('Could not load file id list from %s' %
cfg.test_id_scp)
raise
in_label_align_file_list = prepare_file_path_list(
test_id_list, cfg.in_label_align_dir, cfg.lab_ext, False)
binary_label_file_list = prepare_file_path_list(
test_id_list, binary_label_dir, cfg.lab_ext)
nn_label_file_list = prepare_file_path_list(test_id_list, nn_label_dir,
cfg.lab_ext)
nn_label_norm_file_list = prepare_file_path_list(
test_id_list, nn_label_norm_dir, cfg.lab_ext)
if cfg.NORMLAB and (cfg.label_style == 'HTS'):
# simple HTS labels
logger.info(
'preparing label data (input) using standard HTS style labels')
label_normaliser.perform_normalisation(in_label_align_file_list,
binary_label_file_list,
label_type=cfg.label_type)
if cfg.additional_features:
out_feat_dir = os.path.join(data_dir, 'binary_label_' + suffix)
out_feat_file_list = prepare_file_path_list(
file_id_list, out_feat_dir, cfg.lab_ext)
in_dim = label_normaliser.dimension
for new_feature, new_feature_dim in cfg.additional_features.iteritems(
):
new_feat_dir = os.path.join(data_dir, new_feature)
new_feat_file_list = prepare_file_path_list(
file_id_list, new_feat_dir, '.' + new_feature)
merger = MergeFeat(lab_dim=in_dim, feat_dim=new_feature_dim)
merger.merge_data(binary_label_file_list, new_feat_file_list,
out_feat_file_list)
in_dim += new_feature_dim
binary_label_file_list = out_feat_file_list
remover = SilenceRemover(n_cmp=lab_dim,
silence_pattern=cfg.silence_pattern,
label_type=cfg.label_type,
remove_frame_features=cfg.add_frame_features,
subphone_feats=cfg.subphone_feats)
remover.remove_silence(binary_label_file_list,
in_label_align_file_list, nn_label_file_list)
min_max_normaliser = MinMaxNormalisation(feature_dimension=lab_dim,
min_value=0.01,
max_value=0.99)
###use only training data to find min-max information, then apply on the whole dataset
if cfg.GenTestList:
min_max_normaliser.load_min_max_values(label_norm_file)
else:
min_max_normaliser.find_min_max_values(
nn_label_file_list[0:cfg.train_file_number])
### enforce silence such that the normalization runs without removing silence: only for final synthesis
if cfg.GenTestList and cfg.enforce_silence:
min_max_normaliser.normalise_data(binary_label_file_list,
nn_label_norm_file_list)
else:
min_max_normaliser.normalise_data(nn_label_file_list,
nn_label_norm_file_list)
if cfg.NORMLAB and (cfg.label_style == 'composed'):
# new flexible label preprocessor
logger.info(
'preparing label data (input) using "composed" style labels')
label_composer = LabelComposer()
label_composer.load_label_configuration(cfg.label_config_file)
logger.info('Loaded label configuration')
# logger.info('%s' % label_composer.configuration.labels )
lab_dim = label_composer.compute_label_dimension()
logger.info('label dimension will be %d' % lab_dim)
if cfg.precompile_xpaths:
label_composer.precompile_xpaths()
# there are now a set of parallel input label files (e.g, one set of HTS and another set of Ossian trees)
# create all the lists of these, ready to pass to the label composer
in_label_align_file_list = {}
for label_style, label_style_required in label_composer.label_styles.iteritems(
):
if label_style_required:
logger.info(
'labels of style %s are required - constructing file paths for them'
% label_style)
if label_style == 'xpath':
in_label_align_file_list['xpath'] = prepare_file_path_list(
file_id_list, cfg.xpath_label_align_dir, cfg.utt_ext,
False)
elif label_style == 'hts':
in_label_align_file_list['hts'] = prepare_file_path_list(
file_id_list, cfg.hts_label_align_dir, cfg.lab_ext,
False)
else:
logger.critical(
'unsupported label style %s specified in label configuration'
% label_style)
raise Exception
# now iterate through the files, one at a time, constructing the labels for them
num_files = len(file_id_list)
logger.info('the label styles required are %s' %
label_composer.label_styles)
for i in xrange(num_files):
logger.info('making input label features for %4d of %4d' %
(i + 1, num_files))
# iterate through the required label styles and open each corresponding label file
# a dictionary of file descriptors, pointing at the required files
required_labels = {}
for label_style, label_style_required in label_composer.label_styles.iteritems(
):
# the files will be a parallel set of files for a single utterance
# e.g., the XML tree and an HTS label file
if label_style_required:
required_labels[label_style] = open(
in_label_align_file_list[label_style][i], 'r')
logger.debug(' opening label file %s' %
in_label_align_file_list[label_style][i])
logger.debug('label styles with open files: %s' %
required_labels)
label_composer.make_labels(
required_labels,
out_file_name=binary_label_file_list[i],
fill_missing_values=cfg.fill_missing_values,
iterate_over_frames=cfg.iterate_over_frames)
# now close all opened files
for fd in required_labels.itervalues():
fd.close()
# silence removal
if cfg.remove_silence_using_binary_labels:
silence_feature = 0 ## use first feature in label -- hardcoded for now
logger.info(
'Silence removal from label using silence feature: %s' %
(label_composer.configuration.labels[silence_feature]))
logger.info('Silence will be removed from CMP files in same way')
## Binary labels have 2 roles: both the thing trimmed and the instructions for trimming:
trim_silence(binary_label_file_list, nn_label_file_list, lab_dim, \
binary_label_file_list, lab_dim, silence_feature)
else:
logger.info('No silence removal done')
# start from the labels we have just produced, not trimmed versions
nn_label_file_list = binary_label_file_list
min_max_normaliser = MinMaxNormalisation(feature_dimension=lab_dim,
min_value=0.01,
max_value=0.99)
###use only training data to find min-max information, then apply on the whole dataset
min_max_normaliser.find_min_max_values(
nn_label_file_list[0:cfg.train_file_number])
min_max_normaliser.normalise_data(nn_label_file_list,
nn_label_norm_file_list)
if min_max_normaliser != None and not cfg.GenTestList:
### save label normalisation information for unseen testing labels
label_min_vector = min_max_normaliser.min_vector
label_max_vector = min_max_normaliser.max_vector
label_norm_info = numpy.concatenate(
(label_min_vector, label_max_vector), axis=0)
label_norm_info = numpy.array(label_norm_info, 'float32')
fid = open(label_norm_file, 'wb')
label_norm_info.tofile(fid)
fid.close()
logger.info('saved %s vectors to %s' %
(label_min_vector.size, label_norm_file))
### make output duration data
if cfg.MAKEDUR:
logger.info('creating duration (output) features')
label_type = cfg.label_type
feature_type = cfg.dur_feature_type
label_normaliser.prepare_dur_data(in_label_align_file_list,
dur_file_list, label_type,
feature_type)
### make output acoustic data
if cfg.MAKECMP:
logger.info('creating acoustic (output) features')
delta_win = cfg.delta_win #[-0.5, 0.0, 0.5]
acc_win = cfg.acc_win #[1.0, -2.0, 1.0]
acoustic_worker = AcousticComposition(delta_win=delta_win,
acc_win=acc_win)
if 'dur' in cfg.in_dir_dict.keys() and cfg.AcousticModel:
acoustic_worker.make_equal_frames(dur_file_list, lf0_file_list,
cfg.in_dimension_dict)
acoustic_worker.prepare_nn_data(in_file_list_dict, nn_cmp_file_list,
cfg.in_dimension_dict,
cfg.out_dimension_dict)
if cfg.remove_silence_using_binary_labels:
## do this to get lab_dim:
label_composer = LabelComposer()
label_composer.load_label_configuration(cfg.label_config_file)
lab_dim = label_composer.compute_label_dimension()
silence_feature = 0 ## use first feature in label -- hardcoded for now
logger.info('Silence removal from CMP using binary label file')
## overwrite the untrimmed audio with the trimmed version:
trim_silence(nn_cmp_file_list, nn_cmp_file_list, cfg.cmp_dim,
binary_label_file_list, lab_dim, silence_feature)
else: ## back off to previous method using HTS labels:
remover = SilenceRemover(
n_cmp=cfg.cmp_dim,
silence_pattern=cfg.silence_pattern,
label_type=cfg.label_type,
remove_frame_features=cfg.add_frame_features,
subphone_feats=cfg.subphone_feats)
remover.remove_silence(
nn_cmp_file_list[0:cfg.train_file_number +
cfg.valid_file_number],
in_label_align_file_list[0:cfg.train_file_number +
cfg.valid_file_number],
nn_cmp_file_list[0:cfg.train_file_number +
cfg.valid_file_number]) # save to itself
### save acoustic normalisation information for normalising the features back
var_dir = os.path.join(data_dir, 'var')
if not os.path.exists(var_dir):
os.makedirs(var_dir)
var_file_dict = {}
for feature_name in cfg.out_dimension_dict.keys():
var_file_dict[feature_name] = os.path.join(
var_dir,
feature_name + '_' + str(cfg.out_dimension_dict[feature_name]))
### normalise output acoustic data
if cfg.NORMCMP:
logger.info('normalising acoustic (output) features using method %s' %
cfg.output_feature_normalisation)
cmp_norm_info = None
if cfg.output_feature_normalisation == 'MVN':
normaliser = MeanVarianceNorm(feature_dimension=cfg.cmp_dim)
###calculate mean and std vectors on the training data, and apply on the whole dataset
global_mean_vector = normaliser.compute_mean(
nn_cmp_file_list[0:cfg.train_file_number], 0, cfg.cmp_dim)
global_std_vector = normaliser.compute_std(
nn_cmp_file_list[0:cfg.train_file_number], global_mean_vector,
0, cfg.cmp_dim)
normaliser.feature_normalisation(
nn_cmp_file_list[0:cfg.train_file_number +
cfg.valid_file_number],
nn_cmp_norm_file_list[0:cfg.train_file_number +
cfg.valid_file_number])
cmp_norm_info = numpy.concatenate(
(global_mean_vector, global_std_vector), axis=0)
elif cfg.output_feature_normalisation == 'MINMAX':
min_max_normaliser = MinMaxNormalisation(
feature_dimension=cfg.cmp_dim)
global_mean_vector = min_max_normaliser.compute_mean(
nn_cmp_file_list[0:cfg.train_file_number])
global_std_vector = min_max_normaliser.compute_std(
nn_cmp_file_list[0:cfg.train_file_number], global_mean_vector)
min_max_normaliser = MinMaxNormalisation(
feature_dimension=cfg.cmp_dim, min_value=0.01, max_value=0.99)
min_max_normaliser.find_min_max_values(
nn_cmp_file_list[0:cfg.train_file_number])
min_max_normaliser.normalise_data(nn_cmp_file_list,
nn_cmp_norm_file_list)
cmp_min_vector = min_max_normaliser.min_vector
cmp_max_vector = min_max_normaliser.max_vector
cmp_norm_info = numpy.concatenate((cmp_min_vector, cmp_max_vector),
axis=0)
else:
logger.critical('Normalisation type %s is not supported!\n' %
(cfg.output_feature_normalisation))
raise
cmp_norm_info = numpy.array(cmp_norm_info, 'float32')
fid = open(norm_info_file, 'wb')
cmp_norm_info.tofile(fid)
fid.close()
logger.info('saved %s vectors to %s' %
(cfg.output_feature_normalisation, norm_info_file))
feature_index = 0
for feature_name in cfg.out_dimension_dict.keys():
feature_std_vector = numpy.array(
global_std_vector[:, feature_index:feature_index +
cfg.out_dimension_dict[feature_name]],
'float32')
fid = open(var_file_dict[feature_name], 'w')
feature_var_vector = feature_std_vector**2
feature_var_vector.tofile(fid)
fid.close()
logger.info('saved %s variance vector to %s' %
(feature_name, var_file_dict[feature_name]))
feature_index += cfg.out_dimension_dict[feature_name]
train_x_file_list = nn_label_norm_file_list[0:cfg.train_file_number]
train_y_file_list = nn_cmp_norm_file_list[0:cfg.train_file_number]
valid_x_file_list = nn_label_norm_file_list[cfg.train_file_number:cfg.
train_file_number +
cfg.valid_file_number]
valid_y_file_list = nn_cmp_norm_file_list[cfg.train_file_number:cfg.
train_file_number +
cfg.valid_file_number]
test_x_file_list = nn_label_norm_file_list[
cfg.train_file_number + cfg.valid_file_number:cfg.train_file_number +
cfg.valid_file_number + cfg.test_file_number]
test_y_file_list = nn_cmp_norm_file_list[
cfg.train_file_number + cfg.valid_file_number:cfg.train_file_number +
cfg.valid_file_number + cfg.test_file_number]
### generate parameters from DNN
temp_dir_name = '%s_%s_%d_%d_%d_%d_%d_%d_%d' \
%(cfg.combined_model_name, cfg.combined_feature_name, int(cfg.do_post_filtering), \
cfg.train_file_number, lab_dim, cfg.cmp_dim, \
len(hidden_layer_size), hidden_layer_size[0], hidden_layer_size[-1])
gen_dir = os.path.join(gen_dir, temp_dir_name)
gen_file_id_list = file_id_list[cfg.
train_file_number:cfg.train_file_number +
cfg.valid_file_number +
cfg.test_file_number]
test_x_file_list = nn_label_norm_file_list[cfg.train_file_number:cfg.
train_file_number +
cfg.valid_file_number +
cfg.test_file_number]
if cfg.GenTestList:
gen_file_id_list = test_id_list
test_x_file_list = nn_label_norm_file_list
### comment the below line if you don't want the files in a separate folder
gen_dir = cfg.test_synth_dir
if cfg.DNNGEN:
logger.info('generating from DNN')
try:
os.makedirs(gen_dir)
except OSError as e:
if e.errno == errno.EEXIST:
# not an error - just means directory already exists
pass
else:
logger.critical('Failed to create generation directory %s' %
gen_dir)
logger.critical(' OS error was: %s' % e.strerror)
raise
gen_file_list = prepare_file_path_list(gen_file_id_list, gen_dir,
cfg.cmp_ext)
#dnn_generation(test_x_file_list, nnets_file_name, lab_dim, cfg.cmp_dim, gen_file_list)
dnn_generation_yuhao(test_x_file_list, dnn_model, lab_dim, cfg.cmp_dim,
gen_file_list)
logger.debug('denormalising generated output using method %s' %
cfg.output_feature_normalisation)
fid = open(norm_info_file, 'rb')
cmp_min_max = numpy.fromfile(fid, dtype=numpy.float32)
fid.close()
cmp_min_max = cmp_min_max.reshape((2, -1))
cmp_min_vector = cmp_min_max[0, ]
cmp_max_vector = cmp_min_max[1, ]
if cfg.output_feature_normalisation == 'MVN':
denormaliser = MeanVarianceNorm(feature_dimension=cfg.cmp_dim)
denormaliser.feature_denormalisation(gen_file_list, gen_file_list,
cmp_min_vector,
cmp_max_vector)
elif cfg.output_feature_normalisation == 'MINMAX':
denormaliser = MinMaxNormalisation(cfg.cmp_dim,
min_value=0.01,
max_value=0.99,
min_vector=cmp_min_vector,
max_vector=cmp_max_vector)
denormaliser.denormalise_data(gen_file_list, gen_file_list)
else:
logger.critical('denormalising method %s is not supported!\n' %
(cfg.output_feature_normalisation))
raise
if cfg.AcousticModel:
##perform MLPG to smooth parameter trajectory
## lf0 is included, the output features much have vuv.
generator = ParameterGeneration(
gen_wav_features=cfg.gen_wav_features,
enforce_silence=cfg.enforce_silence)
generator.acoustic_decomposition(gen_file_list,
cfg.cmp_dim,
cfg.out_dimension_dict,
cfg.file_extension_dict,
var_file_dict,
do_MLPG=cfg.do_MLPG,
cfg=cfg)
if cfg.DurationModel:
### Perform duration normalization(min. state dur set to 1) ###
gen_dur_list = prepare_file_path_list(gen_file_id_list, gen_dir,
cfg.dur_ext)
gen_label_list = prepare_file_path_list(gen_file_id_list, gen_dir,
cfg.lab_ext)
in_gen_label_align_file_list = prepare_file_path_list(
gen_file_id_list, cfg.in_label_align_dir, cfg.lab_ext, False)
generator = ParameterGeneration(
gen_wav_features=cfg.gen_wav_features)
generator.duration_decomposition(gen_file_list, cfg.cmp_dim,
cfg.out_dimension_dict,
cfg.file_extension_dict)
label_modifier = HTSLabelModification(
silence_pattern=cfg.silence_pattern, label_type=cfg.label_type)
label_modifier.modify_duration_labels(in_gen_label_align_file_list,
gen_dur_list, gen_label_list)
### generate wav
if cfg.GENWAV:
logger.info('reconstructing waveform(s)')
generate_wav(gen_dir, gen_file_id_list, cfg) # generated speech
# generate_wav(nn_cmp_dir, gen_file_id_list, cfg) # reference copy synthesis speech
### setting back to original conditions before calculating objective scores ###
if cfg.GenTestList:
in_label_align_file_list = prepare_file_path_list(
file_id_list, cfg.in_label_align_dir, cfg.lab_ext, False)
binary_label_file_list = prepare_file_path_list(
file_id_list, binary_label_dir, cfg.lab_ext)
gen_file_id_list = file_id_list[cfg.train_file_number:cfg.
train_file_number +
cfg.valid_file_number +
cfg.test_file_number]
### evaluation: RMSE and CORR for duration
if cfg.CALMCD and cfg.DurationModel:
logger.info('calculating MCD')
ref_data_dir = os.path.join(data_dir, 'ref_data')
ref_dur_list = prepare_file_path_list(gen_file_id_list, ref_data_dir,
cfg.dur_ext)
in_gen_label_align_file_list = in_label_align_file_list[
cfg.train_file_number:cfg.train_file_number +
cfg.valid_file_number + cfg.test_file_number]
calculator = IndividualDistortionComp()
valid_file_id_list = file_id_list[cfg.train_file_number:cfg.
train_file_number +
cfg.valid_file_number]
test_file_id_list = file_id_list[cfg.train_file_number +
cfg.valid_file_number:cfg.
train_file_number +
cfg.valid_file_number +
cfg.test_file_number]
if cfg.remove_silence_using_binary_labels:
untrimmed_reference_data = in_file_list_dict[
'dur'][cfg.train_file_number:cfg.train_file_number +
cfg.valid_file_number + cfg.test_file_number]
trim_silence(untrimmed_reference_data, ref_dur_list, cfg.dur_dim, \
untrimmed_test_labels, lab_dim, silence_feature)
else:
remover = SilenceRemover(
n_cmp=cfg.dur_dim,
silence_pattern=cfg.silence_pattern,
label_type=cfg.label_type,
remove_frame_features=cfg.add_frame_features)
remover.remove_silence(
in_file_list_dict['dur']
[cfg.train_file_number:cfg.train_file_number +
cfg.valid_file_number + cfg.test_file_number],
in_gen_label_align_file_list, ref_dur_list)
valid_dur_rmse, valid_dur_corr = calculator.compute_distortion(
valid_file_id_list, ref_data_dir, gen_dir, cfg.dur_ext,
cfg.dur_dim)
test_dur_rmse, test_dur_corr = calculator.compute_distortion(
test_file_id_list, ref_data_dir, gen_dir, cfg.dur_ext, cfg.dur_dim)
logger.info('Develop: DNN -- RMSE: %.3f frames/phoneme; CORR: %.3f; ' \
%(valid_dur_rmse, valid_dur_corr))
logger.info('Test: DNN -- RMSE: %.3f frames/phoneme; CORR: %.3f; ' \
%(test_dur_rmse, test_dur_corr))
### evaluation: calculate distortion
if cfg.CALMCD and cfg.AcousticModel:
logger.info('calculating MCD')
ref_data_dir = os.path.join(data_dir, 'ref_data')
ref_mgc_list = prepare_file_path_list(gen_file_id_list, ref_data_dir,
cfg.mgc_ext)
ref_bap_list = prepare_file_path_list(gen_file_id_list, ref_data_dir,
cfg.bap_ext)
ref_lf0_list = prepare_file_path_list(gen_file_id_list, ref_data_dir,
cfg.lf0_ext)
in_gen_label_align_file_list = in_label_align_file_list[
cfg.train_file_number:cfg.train_file_number +
cfg.valid_file_number + cfg.test_file_number]
calculator = IndividualDistortionComp()
spectral_distortion = 0.0
bap_mse = 0.0
f0_mse = 0.0
vuv_error = 0.0
valid_file_id_list = file_id_list[cfg.train_file_number:cfg.
train_file_number +
cfg.valid_file_number]
test_file_id_list = file_id_list[cfg.train_file_number +
cfg.valid_file_number:cfg.
train_file_number +
cfg.valid_file_number +
cfg.test_file_number]
if cfg.remove_silence_using_binary_labels:
## get lab_dim:
label_composer = LabelComposer()
label_composer.load_label_configuration(cfg.label_config_file)
lab_dim = label_composer.compute_label_dimension()
## use first feature in label -- hardcoded for now
silence_feature = 0
## Use these to trim silence:
untrimmed_test_labels = binary_label_file_list[
cfg.train_file_number:cfg.train_file_number +
cfg.valid_file_number + cfg.test_file_number]
if cfg.in_dimension_dict.has_key('mgc'):
if cfg.remove_silence_using_binary_labels:
untrimmed_reference_data = in_file_list_dict[
'mgc'][cfg.train_file_number:cfg.train_file_number +
cfg.valid_file_number + cfg.test_file_number]
trim_silence(untrimmed_reference_data, ref_mgc_list, cfg.mgc_dim, \
untrimmed_test_labels, lab_dim, silence_feature)
else:
remover = SilenceRemover(n_cmp=cfg.mgc_dim,
silence_pattern=cfg.silence_pattern,
label_type=cfg.label_type)
remover.remove_silence(
in_file_list_dict['mgc']
[cfg.train_file_number:cfg.train_file_number +
cfg.valid_file_number + cfg.test_file_number],
in_gen_label_align_file_list, ref_mgc_list)
valid_spectral_distortion = calculator.compute_distortion(
valid_file_id_list, ref_data_dir, gen_dir, cfg.mgc_ext,
cfg.mgc_dim)
test_spectral_distortion = calculator.compute_distortion(
test_file_id_list, ref_data_dir, gen_dir, cfg.mgc_ext,
cfg.mgc_dim)
valid_spectral_distortion *= (10 / numpy.log(10)) * numpy.sqrt(
2.0) ##MCD
test_spectral_distortion *= (10 / numpy.log(10)) * numpy.sqrt(
2.0) ##MCD
if cfg.in_dimension_dict.has_key('bap'):
if cfg.remove_silence_using_binary_labels:
untrimmed_reference_data = in_file_list_dict[
'bap'][cfg.train_file_number:cfg.train_file_number +
cfg.valid_file_number + cfg.test_file_number]
trim_silence(untrimmed_reference_data, ref_bap_list, cfg.bap_dim, \
untrimmed_test_labels, lab_dim, silence_feature)
else:
remover = SilenceRemover(n_cmp=cfg.bap_dim,
silence_pattern=cfg.silence_pattern,
label_type=cfg.label_type)
remover.remove_silence(
in_file_list_dict['bap']
[cfg.train_file_number:cfg.train_file_number +
cfg.valid_file_number + cfg.test_file_number],
in_gen_label_align_file_list, ref_bap_list)
valid_bap_mse = calculator.compute_distortion(
valid_file_id_list, ref_data_dir, gen_dir, cfg.bap_ext,
cfg.bap_dim)
test_bap_mse = calculator.compute_distortion(
test_file_id_list, ref_data_dir, gen_dir, cfg.bap_ext,
cfg.bap_dim)
valid_bap_mse = valid_bap_mse / 10.0 ##Cassia's bap is computed from 10*log|S(w)|. if use HTS/SPTK style, do the same as MGC
test_bap_mse = test_bap_mse / 10.0 ##Cassia's bap is computed from 10*log|S(w)|. if use HTS/SPTK style, do the same as MGC
if cfg.in_dimension_dict.has_key('lf0'):
if cfg.remove_silence_using_binary_labels:
untrimmed_reference_data = in_file_list_dict[
'lf0'][cfg.train_file_number:cfg.train_file_number +
cfg.valid_file_number + cfg.test_file_number]
trim_silence(untrimmed_reference_data, ref_lf0_list, cfg.lf0_dim, \
untrimmed_test_labels, lab_dim, silence_feature)
else:
remover = SilenceRemover(n_cmp=cfg.lf0_dim,
silence_pattern=cfg.silence_pattern,
label_type=cfg.label_type)
remover.remove_silence(
in_file_list_dict['lf0']
[cfg.train_file_number:cfg.train_file_number +
cfg.valid_file_number + cfg.test_file_number],
in_gen_label_align_file_list, ref_lf0_list)
valid_f0_mse, valid_f0_corr, valid_vuv
# if gnp._boardId is not None:
# import gpu_lock
# gpu_lock.free_lock(gnp._boardId)_error = calculator.compute_distortion(valid_file_id_list, ref_data_dir, gen_dir, cfg.lf0_ext, cfg.lf0_dim)
test_f0_mse, test_f0_corr, test_vuv_error = calculator.compute_distortion(
test_file_id_list, ref_data_dir, gen_dir, cfg.lf0_ext,
cfg.lf0_dim)
logger.info('Develop: DNN -- MCD: %.3f dB; BAP: %.3f dB; F0:- RMSE: %.3f Hz; CORR: %.3f; VUV: %.3f%%' \
%(valid_spectral_distortion, valid_bap_mse, valid_f0_mse, valid_f0_corr, valid_vuv_error*100.))
logger.info('Test : DNN -- MCD: %.3f dB; BAP: %.3f dB; F0:- RMSE: %.3f Hz; CORR: %.3f; VUV: %.3f%%' \
%(test_spectral_distortion , test_bap_mse , test_f0_mse , test_f0_corr, test_vuv_error*100.))