Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!usc!zaphod.mps.ohio-state.edu!van-bc!rsoft!mindlink!a577
From: a577@mindlink.UUCP (Curt Sampson)
Newsgroups: comp.music
Subject: Re: Phase "distortion" synthesis
Message-ID: <3029@mindlink.UUCP>
Date: 1 Sep 90 18:20:03 GMT
Organization: MIND LINK! - British Columbia, Canada
Lines: 16

I think I read somewhere that PD synthesis just reads a sine wave from a table
at varying speed.  If you controlled the speed at which your read the data from
the table and output it with the function cos(x) with x varying from pi-->2pi
across the first half of the sine cycle (sin(x) x varies 0-->pi) the sine wave
would be "lopsided" and tend to "lean" to the right, forming more of a sawtooth
wave.

Of course, given the correct software "engine," you could do this with  any
function on any waveform, or even with one waveform on another.  Now this does
sound like an interesting method of synthesis.  Perhaps I should get a MIDI
interface and start generating some samples for my EPS...

Sorry if the math is a little off.  It's not my strong point, and it's been a
couple of years.

        -cjs    ( Curt_Sampson@mindlink.UUCP )