mp3gain: MP3Gain analyzes and adjusts mp3s so that they have the same volume
mp3gain:
mp3gain: MP3Gain does not just do peak normalization, as many normalizers
mp3gain: do. Instead, it does some statistical analysis to determine how 
mp3gain: loud the file actually sounds to the human ear. Also, the changes
mp3gain: MP3Gain makes are completely lossless. There is no quality lost 
mp3gain: in the change because the program adjusts the mp3 file directly,
mp3gain: without decoding and re-encoding.
mp3gain:
mp3gain:
mp3gain: