AACGain is a modification to Glen Sawyer's excellent mp3gain program. It supports AAC (mp4/m4a/QuickTime) audio files in addtion to mp3 files.
Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux

QMP3Gain is described as 'Graphical user interface front end supporting MP3Gain engine which analyzes and losslessly adjusts mp3 files to a specified target volume. A complete re-creation (made in QT4) of the original MP3Gain GUI, however it can be run on more platforms' and is an app in the audio & music category. There are more than 10 alternatives to QMP3Gain for a variety of platforms, including Windows, Linux, Mac, Android and Android Tablet apps. The best QMP3Gain alternative is MP3Gain, which is both free and Open Source. Other great apps like QMP3Gain are wxMP3gain, MuseAmp, soundKonverter and easyMP3Gain.
AACGain is a modification to Glen Sawyer's excellent mp3gain program. It supports AAC (mp4/m4a/QuickTime) audio files in addtion to mp3 files.

ppmBatch allows you to analyze and normalize your audio files according to various broadcasting loudness standards. It batch processes files in multiple real time and provides intuitive user feedback about each file's compliance status and processing progress.

Sound Normalizer increases, reduces, levels, restores, volume and size Mp3, Mp4, Ogg, FLAC, APE, AAC and Wav (PCM 8, 16, 24, 32 bits, DSP, GSM, IMA ADPCM, MS ADPCM, AC3, MP3 , MP2, OGG, A-LAW, u-LAW) files without loss of ID3, Mp4, Ogg and FLAC tags.


