Fact · Speech recognition
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.
Checked against its source on October 17, 2026
In the source's own words
“Summary: Large-scale (1000 hours) corpus of read English speech Category: Speech License: CC BY 4.0”
LibriSpeech ASR corpus (SLR12), Open Speech and Language Resources, Vassil Panayotov et al., Open Speech and Language Resources (OpenSLR), 2015, Resource metadata.
Open the original- What it measures
- The corpus is hosted by Open Speech and Language Resources (OpenSLR), and the page links separate archives for the clean and other training and test sets.
- What it does not show
- CC BY 4.0 allows commercial use with attribution. The license covers the data as published, and it does not change the fact that the audio is read audiobook speech.