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Lossless mp3 normalizer with statistical analysis

MP3Gain analyzes and adjusts mp3 files so that they have the same volume. MP3Gain does not just do peak normalization, as many normalizers do. Instead, it does some statistical analysis (using the replaygain algorithm) to determine how loud the file actually sounds to the human ear.

MP3Gain can adjust the volume in a completely lossless way by modifying the mp3 file directly, without decoding and re-encoding. This works with all mp3 players, i.e. no support for a special tag is required.

MP3Gain can also add replaygain compatible (APE) or ID3v2 gain tags to mp3 files.

Package version:1.5.1-4


On ReiserFS (as of kernel 2.4.26 and 2.6.7), writing to a temp file
(-t option) seems to be a lot faster than modifying the original
file directly. Therefore, -t is now the default in Debian. The
original behaviour can be restored with -T.


Q: What dB value does mp3gain normalize to? How does this compare with

A: mp3gain and normalize-audio use different methods to determine the 
perceived volume of a file, so the numbers are not comparable. As I  understand
it, normalize-audio applies a smoothing filter and then  sets the maximum to
-12dBFS. mp3gain sorts the volume and then uses  the value at 95% (i.e. 5% of
the f


MP3GAIN(1)                                                MP3GAIN(1)

       mp3gain — lossless mp3 normalizer

       mp3gain [options]  [infile]  [infile 2 ...]

       This manual page documents briefly the mp3gain       command.

       This  manual  page  was  written  for the Debian distribution
       because the original program does not have a manual page.



mp3gain (1.5.1-4) unstable; urgency=low

  * Fix various potential segfaults found by cppcheck.


This package was debianized by Stefan Fritsch <> on
Wed,  4 Feb 2004 21:33:28 +010

Browse inside mp3gain_1.5.1-4_amd64.deb

         [DIR]DEBIAN/ (2)  65535+ mirrors
         [DIR]usr/ (2)  65535+ mirrors

Download mp3gain_1.5.1-4_amd64.deb

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