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Normalize WAV files to equalize volume levels UNIX
I just wanted to mention the free utility normalize that normalizes WAV files so your music will all play at the same volume. This really removes the need to keep adjusting the volume between different albums.

To install normalize, first download the source code. Next, navigate to the source directory, and type (you'll need the Dev Tools to do this step):
 % ./configure
% make
% sudo make install
If you have fink and audiofile installed, you can install normalize with this option to be able to normalize AIFF files and other formats as well:
 % ./configure --with-audiofile
% make
% sudo make install
To use normalize, just type "normalize" followed by the locations of the WAV files to convert as parameters (drag and drop helps). This process is very quick, taking only a few seconds. For example:
 % normalize /Users/jsmith/a.wav /Users/jsmith/b.wav
Note: The WAV files will be overwritten in the normalization process.
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Cool
Authored by: vertigo on Jun 26, '02 07:46:44PM

This sounds great, as I have quite a dynamic range represented in my mp3 collection. I have Fink installed and downloaded all the audiofiles. After running ./configure --with-audiofile it seems like mp3\'s are not supported. Does anyone know a way around this by tweaking normalize or another program?

~vert



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Alternate formats
Authored by: Wespionage on Jun 26, '02 10:19:58PM
The page where you download normalize has additional downloads available, one of which, the MAD MPEG Audio Decode Library, claims to allow normalize to work with MP3 files.

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AppleScript interface
Authored by: DougAdams on Jun 29, '02 07:06:11AM
Tetsuya Okunot has written an AppleScript interface for normalize. His homepage is located here. Doug Doug's AppleScripts for iTunes Doug's Message Board

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