making the kaldi import more robust #1129
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Hi Piotr, what would you think about this change ? (I found this issue while importing per-utterance flac files for Chime challenge) |
pzelasko
reviewed
Aug 23, 2023
lhotse/kaldi.py
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| durations = dict(zip(recordings.keys(), dur_vals)) | ||
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| # remove recordings with 'None' duration (i.e. there was a read error) | ||
| for recording_id, duration in durations.items(): | ||
| if durations == None: |
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Suggested change
| if durations == None: | |
| if duration is None: |
csukuangfj
reviewed
Aug 23, 2023
lhotse/kaldi.py
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| logging.warning( | ||
| f"[{recording_id}] Could not get duration. " | ||
| f"Failed to read audio from `{recordings[recording_id]}`. " | ||
| f"Dropping the recording from manifest." |
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Suggested change
| f"Dropping the recording from manifest." | |
| "Dropping the recording from manifest." |
lhotse/kaldi.py
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| durations = dict(zip(recordings.keys(), dur_vals)) | ||
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| # remove recordings with 'None' duration (i.e. there was a read error) | ||
| for recording_id, dur_value in durations.items(): | ||
| if dur_value == None: |
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To fix the style issue, we can use
if dur_value is None:
to replace
if dur_value == None:
get_duration(): - recover if audio file cannot be loaded for get_duration(), drop such recordings... - use chunksize for ProcessPoolExecutor::map (avoid hanging of ProcessPoolExecutor for large RecordingSets)
KarelVesely84
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Ok, both suggested changes are done. I also added a new sanity check... |
- not more than 20% utterances can be dropped on `kaldi import`
KarelVesely84
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get_duration():