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Audio Wave sin inverter, how to?

I'm doing a project for a physics project and having some problem doing it.
What I exactly need to do is to gain some audio from a microphone, analyze it and take its wave. Then i'd have to play the file with the inverted Sin (example, if the record is a wave that starts from the origin of an hipotetic cartesian plane, I have to create a new wave with -(sin) instead of +(sin) ).
I was wondering if in python exists some library to deal with audio files. I've tried pymedia but there is no much implementation for that kind of stuff.
Dec 5 '07 #1
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