Speech & Audio

NLP

Libri-light: A benchmark for ASR with limited or no supervision

May 4, 2020

Abstract

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 semisupervised 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.

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AUTHORS

Written by

Jacob Kahn

Morgan Rivière

Weiyi Zheng

Evgeny Kharitonov

Qiantong Xu

Pierre-Emmanuel Mazaré

Julien Karadayi

Vitaliy Liptchinsky

Ronan Collobert

Christian Fuegen

Tatiana Likhomanenko

Gabriel Synnaeve

Armand Joulin

Abdelrahman Mohamed

Emmanuel Dupoux

Publisher

International Conference on Acoustics, Speech, and Signal Processing (ICASSP)

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