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What's the best way to merge X MP3 files? Same length. I don't want to concatenate them, basically just want to merge/overlay them

Any suggestions?

Thanks

closed as off-topic by sam, derobert, HalosGhost, GAD3R, Eric Renouf Dec 15 '16 at 18:55

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    I'm voting to close this question as off-topic because this isn't really about linux, its a request for a software recommendation and as such should be posted to softwarerecs.stackexchange.com – sam Dec 15 '16 at 17:43
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The operation you want is technically called mixing, not "merging".

The command-line tool sox can do it. The GUI application Audacity can do it.

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You can use audacity and merge the MP3s manually or via its scripting. In order to support MP3 Import/Export, you will need specifically the audacity-freeworld package, since it is compiled against FFMpeg.

Using GUI

  1. File -> Import -> Audio -> (select mp3 file)
  2. Repeat for each file
  3. File -> Export Audio -> Select Mp3 format and save

Using script

It seems to be possible to use perl scripts to interface with Audacity. For more details of how to enable this read here:

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