chromaprint (audio fingerprint library)
Chromaprint is the core component of the Acoustid project.
It's a client-side library that implements a custom algorithm for
extracting fingerprints from any audio source.
ffmpeg is an optional dependency: if present it's used in place
of fftw3 for calcs and the utility fpcalc is included in the
Maintained by: Matteo Bernardini
(the SlackBuild does not include the source)