[sdiy] Required sample rate for digital envelopes and LFOs

[Rainer Buchty]

On Mon, 1 Oct 2007, John Mahoney wrote:

> I can hardly believe they were generating software envelopes at 50-60Hz.

Within the Ensoniq ESQ1/SQ80 (1985/87, 68B09 running at 2MHz for 
anything than sound chip access) it's something along 83Hz update rate.

Not timer-controlled, btw., but through some more or less carefully 
timed cooperative multitasking (which makes adding MIDI-clock sync 
pretty much impossible w/o rewriting the entire task/subtask handler 
routine).

Rainer