Libri-Light

~60k h of unlabelled English read speech from LibriVox audiobooks, with small labelled subsets (10h, 1h, 10min) for limited-supervision ASR.

• Task: asr
• Languages: en
• Hours: 60000
• Domain: audiobook
• License: public domain (LibriVox)
• Homepage: https://github.com/facebookresearch/libri-light
• Paper: https://arxiv.org/abs/1912.07875

Recommendation

The standard corpus for self-supervised and low-resource English ASR and for reproducing the 10h/1h/10min limited-supervision benchmarks. Read audiobook speech only, so it is poor for conversational or multilingual targets.

Getting the data

Obtain from the dataset homepage.

Underlying LibriVox audio is public domain; the dataset tooling/repo is MIT-licensed.

Suggested processing

A recommended VoxKitchen pipeline ships in the repository at voxkitchen/templates/pipelines/asr-training-data.yaml — run it with vkit docker run.