def run(exe_path, scp_path, out_dir, wave_len, num_outputs, remove_files,
log_level):
logging.basicConfig(level=log_level)
for i in range(num_outputs):
inputs = {
'blackman_coeff':
'%.4f' % (random.random() * 5),
'dither':
'0',
'energy_floor':
'%.4f' % (random.random() * 5),
'frame_length':
'%.4f' % (float(random.randint(2, wave_len - 1)) / 16000 * 1000),
'frame_shift':
'%.4f' % (float(random.randint(1, wave_len - 1)) / 16000 * 1000),
'preemphasis_coefficient':
'%.2f' % random.random(),
'raw_energy':
utils.generate_rand_boolean(),
'remove_dc_offset':
utils.generate_rand_boolean(),
'round_to_power_of_two':
utils.generate_rand_boolean(),
'snip_edges':
utils.generate_rand_boolean(),
'subtract_mean':
utils.generate_rand_boolean(),
'window_type':
utils.generate_rand_window_type()
}
fn = 'spec-' + ('-'.join(list(inputs.values())))
out_fn = out_dir + fn + '.ark'
arg = [exe_path]
arg += ['--' + k.replace('_', '-') + '=' + inputs[k] for k in inputs]
arg += [scp_path, out_fn]
logging.info(fn)
logging.info(inputs)
logging.info(' '.join(arg))
try:
if log_level == 'INFO':
subprocess.call(arg)
else:
subprocess.call(arg,
stderr=open(os.devnull, 'wb'),
stdout=open(os.devnull, 'wb'))
logging.info('success')
except Exception:
if remove_files and os.path.exists(out_fn):
os.remove(out_fn)
def run(exe_path, scp_path, out_dir, wave_len, num_outputs, remove_files,
log_level):
logging.basicConfig(level=log_level)
for _ in range(num_outputs):
try:
nyquist = 16000 // 2
high_freq = random.randint(1, nyquist)
low_freq = random.randint(0, high_freq - 1)
vtln_low = random.randint(low_freq + 1, high_freq - 1)
vtln_high = random.randint(vtln_low + 1, high_freq - 1)
vtln_warp_factor = random.uniform(
0.0, 10.0) if random.random() < 0.3 else 1.0
except Exception:
continue
if not ((0.0 <= low_freq < nyquist) and
(0.0 < high_freq <= nyquist) and (low_freq < high_freq)):
continue
if not (vtln_warp_factor == 1.0 or
((low_freq < vtln_low < high_freq) and
(0.0 < vtln_high < high_freq) and (vtln_low < vtln_high))):
continue
inputs = {
'blackman_coeff':
'%.4f' % (random.random() * 5),
'energy_floor':
'%.4f' % (random.random() * 5),
'frame_length':
'%.4f' % (float(random.randint(3, wave_len - 1)) / 16000 * 1000),
'frame_shift':
'%.4f' % (float(random.randint(1, wave_len - 1)) / 16000 * 1000),
'high_freq':
str(high_freq),
'htk_compat':
utils.generate_rand_boolean(),
'low_freq':
str(low_freq),
'num_mel_bins':
str(random.randint(4, 8)),
'preemphasis_coefficient':
'%.2f' % random.random(),
'raw_energy':
utils.generate_rand_boolean(),
'remove_dc_offset':
utils.generate_rand_boolean(),
'round_to_power_of_two':
utils.generate_rand_boolean(),
'snip_edges':
utils.generate_rand_boolean(),
'subtract_mean':
utils.generate_rand_boolean(),
'use_energy':
utils.generate_rand_boolean(),
'use_log_fbank':
utils.generate_rand_boolean(),
'use_power':
utils.generate_rand_boolean(),
'vtln_high':
str(vtln_high),
'vtln_low':
str(vtln_low),
'vtln_warp':
'%.4f' % (vtln_warp_factor),
'window_type':
utils.generate_rand_window_type()
}
fn = 'fbank-' + ('-'.join(list(inputs.values())))
out_fn = out_dir + fn + '.ark'
arg = [exe_path]
arg += ['--' + k.replace('_', '-') + '=' + inputs[k] for k in inputs]
arg += ['--dither=0.0', scp_path, out_fn]
logging.info(fn)
logging.info(inputs)
logging.info(' '.join(arg))
try:
if log_level == 'INFO':
subprocess.call(arg)
else:
subprocess.call(arg,
stderr=open(os.devnull, 'wb'),
stdout=open(os.devnull, 'wb'))
logging.info('success')
except Exception:
if remove_files and os.path.exists(out_fn):
os.remove(out_fn)