We introduce a new collection of spoken English audio suitable for training speech recognition systems under limited or no supervision. It is derived from open-source audio books from the LibriVox project. It contains over 60K hours of audio, which is, to our knowledge, the largest freely-available corpus of speech. The audio has been segmented using voice activity detection and is tagged with SNR, speaker ID and genre descriptions. Additionally, we provide baseline systems and evaluation metrics working under three settings: (1) the zero resource/unsupervised setting (ABX), (2) the semi-supervised setting (PER, CER) and (3) the distant supervision setting (WER). Settings (2) and (3) use limited textual resources (10 minutes to 10 hours) aligned with the speech. Setting (3) uses large amounts of unaligned text. They are evaluated on the standard LibriSpeech dev and test sets for comparison with the supervised state-of-the-art.
Libri-Light: A Benchmark for ASR with Limited or No Supervision
A large, freely-available audio corpus supports training speech recognition systems with minimal or no supervision, providing baseline models and evaluation metrics across unsupervised, semi-supervised, and distant supervision settings.
- Year
- 2019
- Venue
- arXiv 2019
- Authors
- 15
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- Abstract onlyARXIV-DEFAULT
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- arxiv.org/abs/1912.07875ARXIV-DEFAULT
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