fmod

https://github.com/ForeverZer0/fmod

A full-featured and complete Ruby wrapper of the ultra-powerful FMOD Low-Level API for accomplishing all of your audio needs. Uses the built-in Fiddle library (Ruby 2.0+) to eliminate unnecessary external gem dependencies, all that is needed is the FMOD platform-specific libraries. FMOD supports a host of audio formats including .aiff, .asf, .asx, .dls, .flac, .fsb, .it, .m3u, .mid, .midi, .mod, .mp2, .mp3, .ogg .pls, .s3m , vag, .wav, .wax, .wma, .xm, and .xma.