What's a good piece of (free) software for normalising sound levels across a set of MP3s? I don't need to apply effects or anything fancy, just raise the volume on quiet files and lower it on loud ones.
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MP3Gain does not just do peak normalization, as many normalizers do. Instead, it does some statistical analysis to determine how loud the file actually sounds to the human ear. Also, the changes MP3Gain makes are completely lossless. There is no quality lost in the change because the program adjusts the mp3 file directly, without decoding and re-encoding. Though I think Audacity is more reknown | |||||
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Audacity is great, but you might also want to check out Levelator. Levelator adjusts the audio levels within your podcast or other audio file and it runs on Windows, Mac OS X, and Linux. I hope this helps. | |||
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On Windows, I do it within my music player, foobar2000. | |||
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If a command line utility is ok, I'd definitely recommend normalize. I especially appreciate the batch mode with which you can normalise an album while preserving the relative volume levels of the tracks. | |||
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Audiograbber will normalize the volume level of audio. It does a nice job of it. | |||
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mediamonkey will set replay-gain idv3 fields of your mp3 files quite nicely. lifehacker also has a discussion about this: | |||
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