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I'm looking for some software to increase the volume of a track that I have in m4a (but I know how to convert it to whatever) for osx. Can anyone name such a thing?
I tried macMP3gain but that doesn't seem to help at all.
erikvold
Posted 2012-05-01T21:35:34.370
Reputation: 3 077
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Try Audacity. It's an open-source cross-platform audio editor. I haven't used it for years, but normalizing a signal or at least amplifying it is one of the most basic things you can do. There ought to be a very accessible feature in Audacity to do it.
paddy
Posted 2012-05-01T21:35:34.370
Reputation: 1 119
You made the m4a file? With what software? There may be solutions within the software you used to make the initial m4a file to increase the volume. – Bon Gart – 2012-05-01T21:42:50.607
I made the m4a with djay – erikvold – 2012-05-01T21:49:30.313
DJay appears to have an Auto-Gain feature. This most likely normalizes any major audio differences and levels out different tracks to produce a single, even level. I would disable this feature and boost the gain as much as possible (without distortion) when you output to M4A. See if that gets you louder exports. – Bon Gart – 2012-05-02T01:52:45.460