[sdiy] Re: [motm] OT: important PC spying / hacking

[David J. Hughes]

Martin,

on 26/4/04 4:17 PM, Martin Fay at martin at manikin.force9.co.uk wrote:

> I've just made a couple of (digital) oscillator algorithms based on
> the 2 classes of waveform on the Casio CZ range.
> 
> The first class are simple geometric waves run through a sine shaper,
> four of which (saw, square, spike and "ramp") sit at the corners of
> x-y domain. A third axis gives the sine/shape morph. The fifth CZ
> waveform, double sine, results from the saw with the depth into the
> shaper double so I've also ended up with more double-sine variants
> using the full range of geometric waves.
> 
> The second class of waves are a synced sine wave with masking. A
> control values multiplies the relative pitch of the sine wave and then
> this is multiplied with a mask waveform (saw, tri, "ramp") at the base
> pitch. That gives a zero from the sine at phase zero and zero from the
> mask at 2 pi to yield smooth waveforms.

Let's hear wot they sound like, Martin...  ?:)

D,


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