## Public domain

The following testcase sounds have been released into the [public domain].

* [19875.flac](http://freesound.org/people/yawfle/sounds/19875/)
* [44127.flac](http://freesound.org/people/dland/sounds/44127/)
* [59996.flac](http://freesound.org/people/qubodup/sounds/59996/)
* [80574.flac](http://freesound.org/people/EsbenSloth/sounds/80574/)
* [172960.flac](http://freesound.org/people/qubodup/sounds/172960/)
* [189983.flac](http://freesound.org/people/raygrote/sounds/189983/)
* [191885.flac](http://freesound.org/people/Hedmarking/sounds/191885/)
* [212768.flac](http://freesound.org/people/qubodup/sounds/212768/)
* [220014.flac](http://freesound.org/people/djani00/sounds/220014/)
* [243749.flac](http://freesound.org/people/unfa/sounds/243749/)
* [256529.flac](http://freesound.org/people/tymorafarr/sounds/256529/)
* [257344.flac](http://freesound.org/people/arseniiv/sounds/257344/)

[public domain]: https://creativecommons.org/publicdomain/zero/1.0/

The following flac files are CC BY 4.0:

* [8297-275156-0011.flac](http://www.openslr.org/12/) - a single file from the LibriSpeech ASR corpus, by Vassil Panyotov and DanielPovey.