I simply use aacgain for both aac and mp3 files. Installed aacgain from a PPA (https://launchpad.net/~robert-tari/+archive/ubuntu/main), then just set easymp3gain's "MP3Gain backend" to "aacgain".
I simply use aacgain for both aac and mp3 files. Installed aacgain from a PPA (https:/ /launchpad. net/~robert- tari/+archive/ ubuntu/ main), then just set easymp3gain's "MP3Gain backend" to "aacgain".