Package normalize

Tool for adjusting the volume of audio files to a standard level

http://normalize.nongnu.org/

normalize is a tool for adjusting the volume of audio files to a
standard level. This is useful for things like creating mixed CDs
and mp3 collections, where different recording levels on different
albums can cause the volume to vary greatly from song to song.

General Commands
Command Description
normalize adjusts volume levels of audio files.
normalize-mp3 adjust levels of mp3 or ogg files by running normalize(1), then re-encoding