FM synthesis

The Dave Smith Instruments Prophet-12 Analogue Synthesizer

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michaeljhuman
Posts: 23
Joined: Sun Dec 20, 2015 7:40 am

FM synthesis

Post by michaeljhuman » Thu Jan 07, 2016 7:26 pm

When I change the FM amount on osc 1, I get one behavior ( using linear FM)

When I set osc 2 to frequency modulate oscillator 1, I get different behavior

Is there a way to have these work the same, so I can FM osc1 with osc2 and osc3 in a consistent fashion?

michaeljhuman
Posts: 23
Joined: Sun Dec 20, 2015 7:40 am

Re: FM synthesis

Post by michaeljhuman » Fri Jan 08, 2016 1:26 am

I think maybe I have to use sync, but that seems to have side effects. I will keep playing with it :)

michaeljhuman
Posts: 23
Joined: Sun Dec 20, 2015 7:40 am

Re: FM synthesis

Post by michaeljhuman » Fri Jan 08, 2016 7:27 pm

I tried various pemutations, and I can never get modulation via a modulation slot to work like FM modulation ( via turning up the FM modulation control.) I may be missing something of course.

michaeljhuman
Posts: 23
Joined: Sun Dec 20, 2015 7:40 am

Re: FM synthesis

Post by michaeljhuman » Fri Jan 08, 2016 9:07 pm

I was using the wrong modulation destination. I needed to modulate the oscillator's frequency, not FM ( modulating FM probably modulates the FM amount, not what I was trying to do, but potentially interesting as well.)

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