Free Spoken Digit Dataset (FSDD)
Source: https://github.com/Jakobovski/free-spoken-digit-dataset
Revision: 26eb9aaf76e81b692f806f9140c2d2777410d7a1
Contributors: Jakobovski and FSDD contributors; speaker ID: jackson.
Licence: Creative Commons Attribution-ShareAlike 4.0 International
https://creativecommons.org/licenses/by-sa/4.0/
Legal code: https://creativecommons.org/licenses/by-sa/4.0/legalcode

Files 0.wav through 9.wav are unmodified copies of recordings/{digit}_jackson_0.wav.
Only the filenames have changed. Original recordings are mono, 8 kHz.
At playback, the app resamples, normalises levels, joins digit groups and mixes
generated noise. These adapted audio mixes are also offered under CC BY-SA 4.0.
Attribution/licensing applies to the recordings and adapted audio, not the site's
independently written source code. No endorsement by FSDD is implied.

These are general-purpose speech recordings, not clinically validated hearing
screening materials. They must not be used to claim clinical screening accuracy.