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MP3Gain

A free automatic mp3 volume normalizer. MP3Gain analyzes and adjusts mp3 files so that they have the same volume. There is no quality lost in the change because the program adjusts the mp3 file directly, without decoding and re-encoding

QMP3Gain

QMP3Gain

Graphical user interface front end supporting MP3Gain engine which analyzes and losslessly adjusts mp3 files to a specified ta ...