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 Post subject: Inverting frequency content
PostPosted: Fri Jan 18, 2013 4:04 am 

Joined: Thu Apr 28, 2005 12:19 am
Posts: 99
Location: Los Angeles, CA
Is it possible to create a Max for Live device that would take the audio of a track and invert the content of the frequency spectrum? Think of viewing the sound on a spectrogram, and then being able to flip the image vertically, like this:

Image

Does that make sense? Would it sound interesting? I've never messed with Max but I'd be interested in trying this out as a first project if its doable.


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 Post subject: Re: Inverting frequency content
PostPosted: Mon Feb 11, 2013 10:27 pm 

Joined: Mon Apr 27, 2009 3:34 pm
Posts: 116
FFT can do that, a basic inversion does not sound much, especially if you don't deal with the phase spectrum then it is likely to sound like a bunch of short soft sinewaves, like a bad mp3, inverting specific regions should be more fun, a proper phase vocoder with oscillator bank resynthesis might be the best....

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