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I have a long mp3 containing multiple songs (mixed together; there ISN'T any space between individual songs, they just "blend" together when one ends and the second starts).

Is there some software that I can use that would automatically split this mp3 into multiple mp3s, one per file?

I have done a similar thing for wave files a while back, which relied on detecting beats, and flagging regions where the beats changed for splitting. However, it was terribly hacky, which is why I'm trying to find a better solution.

As long as it works, I don't care about the OS.

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possible duplicate of Is there an easy way to split mp3 files? –  Moab Nov 2 '12 at 0:49
    
If songs blend and there is no silence between them, there is no way to "automatically" split them, it has to be done manually. –  Moab Nov 2 '12 at 0:50
    
@Moab: yes there is. You detect the beats and see where they differ. I have done a similar thing for wave files, but I'd rather find a more to professional solution if there is one; I'd rather not have to code this myself –  houbysoft Nov 2 '12 at 2:19
    
@Moab: also, please don't vote to close/link to a question that has little to do with this one. –  houbysoft Nov 2 '12 at 2:37
    
then you better re-word your question and title and include more info, because as it stands it is a duplicate. –  Moab Nov 2 '12 at 2:40
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1 Answer

There is a package in Gentoo called media-sound/poc that has a binary called mp3cut(1). It has worked for me in the past. This package also has a mp3cue(1) which does what you ask for.

If you are looking for something that analyzes the sound and tries to make a guess on where to cut, then unfortunately I don't know any software that does this.

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