Libriheavy

Libriheavy Libriheavy: a 50,000 hours ASR corpus with punctuation casing and context. Libriheavy is a labeled version of Librilight. This uploaded version replaces the default Libri-Light audio files with the highest quality available versions from librivox. In most cases, this consists an upgrade of the source audio from a 64kbps mp3 to a 128kbps mp3. Audio files are then re-encoded using the Opus 68kbps codec to retain quality and reduce size. Homepage:… See the full description on the dataset page:

Source: Hugging Face Hub (mythicinfinity/libriheavy). Metadata imported from the dataset’s Hub tags.