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+public domain
+-------------
+
+The testcase sounds have all been released into the *[public domain][]*.
+
+[public domain]: https://creativecommons.org/publicdomain/zero/1.0/
+
+The source of each sound is listed below:
+
+* [59996.flac][]
+* [172960.flac][]
+* [189983.flac][]
+
+[59996.flac]: http://www.freesound.org/people/qubodup/sounds/59996/
+[172960.flac]: http://www.freesound.org/people/qubodup/sounds/172960/
+[189983.flac]: http://www.freesound.org/people/raygrote/sounds/189983/