> From: "Tkacs, Ken" <Ken.Tkacs@...> > > > In addition to voltage-controlled panning, how about these ideas: > > ---Four VCOs being slightly frequency modulated by a quadrature oscillator > to provide a lush 'ensemble' sound. Unlike standard vibrato with a single > LFO, or even with four independent ones, the VCOs would be held at a > constant, precise detune level (perhaps controllable by Mod Wheel). > > ---Same as above, but controlling pulse width. > > ---How about a sine from a Quad LFO controlling pitch while it's 90-degree > shifted variant controls pulse width? The harmonic spectrum of the pulse > would change, but be realted to, the oscillator's position in its detune > swing; i.e., it would be 'Square' at its exact pitch, but have a more > squeezed duty cycle as the vibrato pushes to either (+/-) extreme. Controlling PWM with LFO is one of my favorite little things to do. I will be looking forward to the quad-LFO so I can try that with more than just two - 180 out signals. Oh! Looks like I need to buy more MOTM 300s first. <grin> Larry H
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Re: Quadtrature Osc / Shepard Function Generator
1999-09-09 by J. Larry Hendry
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