More about 3310 and envelopes

[jh.]

I think the goal was to get rid of that extra CEM VCA chip.
If you're decreasing all the level CVs (including the asymptode
voltage for attack) to the same percentage, the time constants will
*not* change - one of the benefits that come with expo EGs.

If you want the times to track the keyboard, or be scaled by
velocity or whatever, it's easily done by adding that CV -
the benefit of exponential control for the time constants.

JH.



-----Ursprüngliche Nachricht-----
Von: Goddard, Duncan <goddard.duncan at mtvne.com>
An: DIY <synth-diy at node12b53.a2000.nl>
Gesendet: Mittwoch, 15. November 2000 18:01
Betreff: RE: More about 3310 and envelopes


> >>>A while ago JH reported that one version of the Oberheim OB-8 used the
> > attack and asymptote to control the amplitude of the ADSR being sent to
> > the VCA/VCF for modulation depth... ......If the depth is only changed
at
> > the
> > patch level, then this wouldn't be a problem.<<<
> >
> >
> um.. if this method is successfully implemented, how would it sound
> different than multiplying the adsr o/p with the velocity at the vca cv
> input?
> or is the idea to shorten all the time-constants with increasing velocity?
> two or three synths I've got manage this trick with note-number as the
> control instead of velocity, so the time-constants change with pitch.....
>
> d.
>
>
>
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