Polyphony in Mozzi

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glerm

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Sep 3, 2012, 12:12:57 PM9/3/12
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Is it possible to use more than one PWM outputs for polyphony in Mozzi?

If not, why and where are the limitations?  Could exist some possibility?


thanks,
glerm

Mr Sensorium

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Sep 4, 2012, 9:26:26 AM9/4/12
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Hi,

I've made a crude sort of hack which shows how Mozzi can work in stereo without too much modification.  It works, but the design needs thinking about if it was to fit with the way the Mozzi works at the moment.  Also, you need Mozzi Version 0.01.1j (not 0.01.1i which I released yesterday) for a small fix to the Phasor object for the demo sketch to work.  Then, as it says in the sketch, replace the MozziGuts files in the library with the modified ones in the zip for the extra channel to work.

The most solid limitation for extra channels beyond this is the number of free timers and their configurations on the board/chip you use, and then there are processing time and memory limitations, maybe audio sample rate if you wanted to compromise further there.

Sorry, bit of a rushed reply, hope it works for you/ gives you an idea
tim
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