Joining MP3's into one big MP3?

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Hi im looking for a piece of software that will allow me to edit and join MP3/WAV files together to make one big MP3.

For example, i have 20 MP3 files and i want to make 1 large file to stick on a MP3 player, its for my aunt as she wants to use it while working out.

Anything like this around?

Thanks in advance

True
 
You will need a plug-in to export as mp3 though. LAME encoder if I remember correctly. Audacity should talk you through it.
 
I use a command line util called "mp3wrap" and it can join a selection of mp3's into a single file. It's free and on sourceforge somewhere.
 
Audacity

/close thread

I've always wanted to say that :-)
/re-open thread :)

Audacity will join them, but only by decoding and then re-encoding - the latest release of LAME is probably the best mp3 encoder you'll find, but you'll still lose quality as you're creating a second-generation lossy file.

You'd do better using an editor which can work on the mp3 frames directly - mp3DirectCut springs to mind, or Merge MP3 mentioned above.

/edit: hadn't heard of Mp3Wrap, but that looks like it works along the same lines. :)
 
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does "copy /b file1.mp3 file2.mp3 file3.mp3 big.mp3" not work??
Nope, a simple binary file copy doesn't work, unfortunately - as each file has its own header, a player would still only be able to "see" the first of the original MP3s, assuming it didn't chuck a hissy fit and refuse to read the new file at all.

You need an editor which can build a new header to reference all the data in the combined file...
 
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