The following testcase sounds have been released into the public domain.
- 19875.flac
- 44127.flac
- 59996.flac
- 80574.flac
- 172960.flac
- 189983.flac
- 191885.flac
- 212768.flac
- 220014.flac
- 243749.flac
- 256529.flac
- 257344.flac
The following flac files are CC BY 4.0:
- 8297-275156-0011.flac - a single file from the LibriSpeech ASR corpus, by Vassil Panyotov and DanielPovey.