--- In SynthModules@yahoogroups.com, "grantrichter2001" <grichter@a...> wrote: > Very cool application. Thanks. > I think Dr. Mabuse might have some tweakage for this > program???? > > It seems right up his alley.... I thought he might get a kick out of it. By the way, the RANDOM function wasn't behaving as I expected, so I lifted one out of Hal Chamberlin's "Musical Applications for Microprocessors." It only has a length of 4096, but I can't hear any cycling. Woody > --- In SynthModules@yahoogroups.com, "Woody Wall" > <woody_wall@h...> wrote: > > I've just uploaded two programs that generate different noise > > functions. minoise.bas produces interpolated noise. This > basically > > turns out to be a triangle LFO whose amplitude changes at > each slope > > transition. Four outputs are provided, each twice the frequency > of the > > previous one. Put a voltage in IN-1 to change the basic > frequency. > > > > perlin.bas produces Perlin noise. You may not know what this > is, but > > you've surely seen it in use. Two- and three-dimensional Perlin > noise > > is used in computer graphics to produce landscapes, clouds, > smoke, > > fire, etc. This program produces one-dimensional noise to > control > > filters, flangers, whatever. Higher numbered output have a > greater > > concentration of high-frequency noise. As with minoise, the > basic > > frequency can be voltage-conrolled at IN-1. I'm not completely > happy > > with this program, as I wanted to use another input to > continously > > vary the weighting of the frequencies. But integer arithmetic > and the > > lack of exponentiation put that beyond my capabilities. So for > now the > > relationships are fixed. Maybe someone else can improve this. > > > > Enjoy. > > > > Woody
Message
Re: Noise functions
2004-03-13 by Woody Wall
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