Yamaha FM is generally implemented as a phase modulation, it's true. The basic PM equation uses one fewer multiplication per sample than the basic FM equation. In a synthesizer like the GS1, that is many square inches of board saved per voice.
On Thursday, September 13, 2018, charles copp charles.copp@... [CZsynth] <CZsynth@yahoogroups.com> wrote:
I think Yamaha stole casios ideal is
what I read elsewhere...and the fm in
the dx has been proven not true fm
synthesis ,,,oh boy the internet really
messing with my mind .!! lol
unclear what I remember very busy
programming I modula a.t.m