apply gain information to mp3 audio data
mp3applygain applies gain information directly to mp3 files, by modifying the frames of the file. It is designed to normalize audio volume for playback by mp3 players which do not support replygain natively (common in hardware mp3 players).
Homepage: https://github.com/jeremyevans/mp3applygain
Maintainer: Jeremy Evans <jeremy@openbsd.org>