Dataset or benchmark
LibriSpeech ASR corpus (SLR12), Open Speech and Language Resources
Vassil Panayotov et al., Open Speech and Language Resources (OpenSLR), 2015
Read the originalRead on October 16, 2026
- What it is
- The download page of LibriSpeech, the audiobook-based English corpus used as the standard benchmark for speech recognition, listing its training, development and test subsets.
- How much weight it carries
- The official distribution page of the corpus, released under CC BY 4.0. It describes the data but not recognizer accuracy.
Facts taken from this source
- LibriSpeech is a large-scale corpus of 1,000 hours of read English speech, distributed with clean and harder other test sets.
“Large-scale (1000 hours) corpus of read English speech” (Summary)
- The OpenSLR page for LibriSpeech lists its license as CC BY 4.0, and describes it as a large-scale corpus of read English speech.
“Summary: Large-scale (1000 hours) corpus of read English speech Category: Speech License: CC BY 4.0” (Resource metadata)
- LibriSpeech is a corpus of about 1,000 hours of 16 kHz read English speech, and its data is derived from read audiobooks from the LibriVox project.
“LibriSpeech is a corpus of approximately 1000 hours of 16kHz read English speech, prepared by Vassil Panayotov with the assistance of Daniel Povey. The data is derived from read audiobooks from the LibriVox project” (About this resource)