Kaldi data directory validation warning policy for wav.scp and utt2spk
Kaldi data preparation relies on utils/validate_data.sh to check consistency of wav.scp, utt2spk and text files in a standard data directory. The validation reports missing files and mismatched utterance IDs as warnings by default. The pipeline does not define a built-in constraint that promotes those warnings to fatal errors, so the decision to halt trainin
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