Dave Smith Instruments SYNTHESIZERS

On Wed, 25 Jan 2006 19:44:03 +0900, "Miles Bader" <miles@...> said:

> Given a simplistic model of what filters and mixers do, it would seem
> that the results would be identical; in real life, of course there are
> issues like saturating the mixer, etc., that might make a difference.
> 
yep. all the difference happens in the nonlinear area of the circuit's
performance.

Saturation of the filter produces sum and difference frequencies for the
oscillator waveforms going into it. So having 4 signals going into 1
nonlinear system is different to having 2 pairs of 2 signals going into
separate nonlinear systems.

having the evolver as it is makes for some very good things, like stereo
filtering effects, especially for external processing, but I can't help
but wonder what it'd be like to be able to stack all four oscs just into
one filter channel. My dream evolver would allow serial and parallel
analogue filter arrangements (and the choice of HP, LP, BP, BR filter
types for each filter) but I guess it'd be quite a pain for DS to make
happen. It certianly wouldn't be just a firmware upgrade! :-)

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