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aacgain

Lossless mp4 normalizer with statistical analysis
http://altosdesign.com/aacgain/
Score:
 4
2 reviews
Description:

Aacgain normalizes the volume of digital music files using the replay gain algorithm. it works by modifying the global_gain fields in the mp4 samples. free-form metadata tags are added to the file to save undo information, making the normalization process reversable. it supports aac (mp4/m4a/quicktime) audio files in addition to mp3 files.

aacgain uses the same command-line user interface as mp3gain

User reviews:
ScoreComment

telewatho
8 years ago
5 Can't do without this program. Does everything mp3gain does and more

wanda
8 years ago
5 Einfach gut.