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Update train.py (#773)

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Fix transducer lstm egs bug as mentioned in issue 579
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BuaaAlban 2022-12-23 11:38:22 +08:00 committed by GitHub
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commit 7eb2d0edb6
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egs/librispeech/ASR/transducer_lstm/train.py
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@ -629,18 +629,8 @@ def run(rank, world_size, args):
# Keep only utterances with duration between 1 second and 20 seconds
return 1.0 <= c.duration <= 20.0
num_in_total = len(train_cuts)
train_cuts = train_cuts.filter(remove_short_and_long_utt)
num_left = len(train_cuts)
num_removed = num_in_total - num_left
removed_percent = num_removed / num_in_total * 100
logging.info(f"Before removing short and long utterances: {num_in_total}")
logging.info(f"After removing short and long utterances: {num_left}")
logging.info(f"Removed {num_removed} utterances ({removed_percent:.5f}%)")
train_dl = librispeech.train_dataloaders(train_cuts)
valid_cuts = librispeech.dev_clean_cuts()