Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.3 alpha 4/15/85; site weitek.UUCP Path: utzoo!linus!decvax!decwrl!spar!turtlevax!weitek!mahar From: mahar@weitek.UUCP (mahar) Newsgroups: net.music.synth,net.games.video Subject: Re: Marble Madness & FM Music Synthesis Message-ID: <271@weitek.UUCP> Date: Thu, 19-Sep-85 12:32:06 EDT Article-I.D.: weitek.271 Posted: Thu Sep 19 12:32:06 1985 Date-Received: Sat, 21-Sep-85 11:47:43 EDT References: <2614@ihnss.UUCP> <267@weitek.UUCP> <590@sftig.UUCP> Organization: Weitek Corp. Sunnyvale Ca. Lines: 19 Xref: linus net.music.synth:506 net.games.video:470 Summary: Yea, but In article <590@sftig.UUCP>, dr_d@sftig.UUCP (D.Donahue) writes: > > > > (2) Someone posted a rumor that the MM arcade game uses the > > > Amiga's sound chip set. If so, does that imply that Amiga > > > supports digital FM synthesis? Wow! Actually, an LSI > > > FM chip should be pretty easy to build. > > Your right. FM chips are not that hard to build. However, Yamaha > > has the basic patent on FM sound generation. Atari's lawyers > > didn't want to fight it so they just bought the chips from Yamaha. > I'm not certain what it is that you are refering to as far as Yamahas > ownership with respect to FM sound generation. As far FM patenting is concerned, > John Chowing of Stanfords CCRMA is the one who, perhaps didn't conceive of the > idea, actively purued and developed the process of Frequency Modulated Sound > Generation. The same John Chowning, not Yamaha, is the one who holds any > patents having to do with FM Sound Generation. Doug, You are right about Chowning. Yamaha bought exclusive rights to his patents. If you or I wanted to do FM we would still have to talk to Yamaha. Mike Mahar