Xref: utzoo comp.music:1837 rec.music.synth:15933 Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!chaph.usc.edu!alcor.usc.edu!alves From: alves@alcor.usc.edu (William Alves) Newsgroups: comp.music,rec.music.synth Subject: Re: Phase "distortion" synthesis Keywords: phasedistortion vz cz casio ipd Message-ID: <11832@chaph.usc.edu> Date: 5 Sep 90 16:43:32 GMT References: <2010@aber-cs.UUCP> Sender: news@chaph.usc.edu Followup-To: comp.music Organization: University of Southern California, Los Angeles, CA Lines: 14 Nntp-Posting-Host: alcor.usc.edu In article <2010@aber-cs.UUCP> cho@uk.ac.aber.cs (Chris Orgill) writes: >Can anyone point to a mathematical definition of the term 'phase >distortion' as implemented by Casio in their VZ-1 synthesizer ? Is >this topic covered in the Moore book ? > What Casio calls phase distortion synthesis is also called non-linear distortion or waveshaping. (Companies always have to invent new names for things to make it seem like they invented it.) I don't have the Moore book handy, but it is covered in Dodge and Jerse _Computer_Music_ (1985) and more in depth in an article by Marc LeBrun "Digital Wave- shaping Synthesis" in the Journal of the Audio Engineering Society #27 (1979). Bill Alves