This commit is contained in:
Arey 2019-05-22 13:05:17 +08:00
parent fbedbbc9f9
commit 8f806f7a3a

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@ -1,4 +1,11 @@
#!/usr/bin/env python
'''
Broadly speaking, this script takes the audio downloaded from Common Voice
for a certain language, in addition to the *.tsv files output by CorporaCreator,
and the script formats the data and transcripts to be in a state usable by
DeepSpeech.py
Use "python3 import_cv2.py -h" for help
'''
from __future__ import absolute_import, division, print_function
# Make sure we can import stuff from util/
@ -21,13 +28,6 @@ from multiprocessing import cpu_count
from util.downloader import SIMPLE_BAR
from util.text import Alphabet, validate_label
'''
Broadly speaking, this script takes the audio downloaded from Common Voice
for a certain language, in addition to the *.tsv files output by CorporaCreator,
and the script formats the data and transcripts to be in a state usable by
DeepSpeech.py
Use "python3 import_cv2.py -h" for help
'''
FIELDNAMES = ['wav_filename', 'wav_filesize', 'transcript']
SAMPLE_RATE = 16000
@ -134,29 +134,29 @@ def _maybe_convert_wav(mp3_filename, wav_filename):
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Import CommonVoice v2.0 corpora')
parser.add_argument('tsv_dir', help='Directory containing tsv files')
parser.add_argument('--audio_dir', help='Directory containing the audio clips - defaults to "<tsv_dir>/clips"')
parser.add_argument('--filter_alphabet', help='Exclude samples with characters not in provided alphabet')
parser.add_argument('--normalize', action='store_true', help='Converts diacritic characters to their base ones')
parser.add_argument('--space_after_every_character', action='store_true', help='To help transcript join by white space')
PARSER = argparse.ArgumentParser(description='Import CommonVoice v2.0 corpora')
PARSER.add_argument('tsv_dir', help='Directory containing tsv files')
PARSER.add_argument('--audio_dir', help='Directory containing the audio clips - defaults to "<tsv_dir>/clips"')
PARSER.add_argument('--filter_alphabet', help='Exclude samples with characters not in provided alphabet')
PARSER.add_argument('--normalize', action='store_true', help='Converts diacritic characters to their base ones')
PARSER.add_argument('--space_after_every_character', action='store_true', help='To help transcript join by white space')
params = parser.parse_args()
PARAMS = PARSER.parse_args()
audio_dir = params.audio_dir if params.audio_dir else os.path.join(params.tsv_dir, 'clips')
alphabet = Alphabet(params.filter_alphabet) if params.filter_alphabet else None
AUDIO_DIR = PARAMS.audio_dir if PARAMS.audio_dir else os.path.join(PARAMS.tsv_dir, 'clips')
ALPHABET = Alphabet(PARAMS.filter_alphabet) if PARAMS.filter_alphabet else None
def label_filter(label):
if params.normalize:
def label_filter_fun(label):
if PARAMS.normalize:
label = unicodedata.normalize("NFKD", label.strip()) \
.encode("ascii", "ignore") \
.decode("ascii", "ignore")
label = validate_label(label)
if alphabet and label:
if ALPHABET and label:
try:
[alphabet.label_from_string(c) for c in label]
[ALPHABET.label_from_string(c) for c in label]
except KeyError:
label = None
return label
_preprocess_data(params.tsv_dir, audio_dir, label_filter, params.space_after_every_character)
_preprocess_data(PARAMS.tsv_dir, AUDIO_DIR, label_filter_fun, PARAMS.space_after_every_character)