How do I mix audio files using python?

Question

I would like to do basic audio mixing in python.

To give an example: I would like to take two mp3 files and add them together and return one mp3 file. Another example:

Answer 1

You could check out some of the code in the python audiotools project. It is a collection of command-line utilities which make use of a common python package. There is a utility included with audiotools (trackcat) which can con*cat*enate two or more audio tracks; another (tracksplit) can split an audio track (using a .cue file). These, as well as the numerous other included utilities, can work with audio files of various encodings, including mp3.