def combine_audio_segments(input_dir, output_name, output_dir, clear_output_dir):
if clear_output_dir:
Util.remove_dir(output_dir)
Util.make_dir(output_dir)
files_grouped_by_class = WavEditor.get_files_grouped_by_class(input_dir)
for class_name in files_grouped_by_class:
input_wavs = []
for k, file in enumerate(files_grouped_by_class[class_name]):
input_wavs.append(file)
cmd = ['sox'] + input_wavs + [os.path.join(output_dir, '%s_%s.wav' % (output_name, class_name))]
subprocess.check_call(cmd)
def create_audio_segments(labels, input_wav, output_dir, clear_output_dir, delimiter, format, remove_overlapping=False):
if clear_output_dir:
Util.remove_dir(output_dir)
Util.make_dir(output_dir)
rows = WavEditor.get_rows(labels, delimiter)
if format == "f2" and remove_overlapping:
rows = WavEditor.get_non_overlapping_items(rows)
for k, row in enumerate(rows):
if format == "f1" or (format == "f2" and remove_overlapping):
start_time = row[0]
end_time = row[1]
elif format == "f2":
start_time = row[0]
end_time = str(float(row[0]) + float(row[1]))
else:
logging.error("not supported file format")
sys.exit(1)
label = row[2]
filename = str(uuid.uuid4())
WavEditor.create_audio_segment(start_time, end_time, input_wav,
os.path.join(output_dir, "%s_%s.wav" % (filename, label)))