This is a max4live patch and an <a href="http://www.davesmithinstruments.com/products/med/">DSI Evolver</a> preset that are meant to work together and let you use polyphony on the evolver.<br/>
Up to four notes are independently associated with the Evolver oscillators and pitched correctly using various CC signals.<br/>
Very wide note speadings are not possible due to the control change range limit.<br/>
The same technique might work for other DSI synths.<br/>
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Here is :<br/>
<a href="C poly ctrl 01.evp">the Evolver patch</a><br/>
<a href="evolverPoly01.7z">the M4L device</a><br/>
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<a href="2013 11 08 TAC44 poly evolver seq 02.mp3">This sample</a> is an example of polyphonic MIDI run through a single Evolver.<br/>
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