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Does anyone know any utilities for merging M4a files? Can be on PC, Mac or even Ubuntu/Linux. Done a lot of searching but haven't been able to turn up anything.

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Merging as in concatenating? Or multi-track editing? – Thilo Nov 26 '09 at 0:09
merging? as in what, exactly? do you want concatenated (song = song1 plays, then song2)? or mixed (song = song1 & song2 playing at the same time)? or alternate streams of the same file? or something completely different? – quack quixote Nov 26 '09 at 0:10
Yep, concatenating. I want to turn about 50 files into an audio book. – user19289 Nov 26 '09 at 0:11

The term concatenate helped me out here. Was able to find a fairly indepth post on stack overflow via google.

"Chapter and Verse" download page

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+1 nice find indeed! – Molly7244 Nov 26 '09 at 0:42

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