More about 3310 and envelopes

[Magnus Danielson]

From: "Theo" <t.hogers at home.nl>
Subject: Re: More about 3310 and envelopes
Date: Wed, 15 Nov 2000 17:07:03 +0100

> From: Tony Allgood <oakley at techrepairs.freeserve.co.uk>
> > If the cap is still charged up to a
> > higher level than the new incoming attack peak, all hell breaks lose.
> > The decay phase never gets initiated and the envelope itself doesn't
> > sound natural. Does the OB suffer from this, or does the velocity not
> > control the modulation depth direct. If the depth is only changed at the
> > patch level, then this wouldn't be a problem.
> >
> > Any ideas?
> >
> 
> Yes,
> In the full cycle envelope,
> http://www.tidalmusic.com  follow synth DIY link.
> Only a picture at the moment, I prepare to upload the circuit and a whole
> bunch of new stuff next week.
> 
> I simply use two caps, and the gate pulse to toggle between them :) simple
> but effective.
> BTW when the attack time is set to zero, the cap is pre charged instead of
> pre discharged.
> A faster attack time is not possible :)

Horrid! ;)

Actually, this solution is basically equalent to forcing the cap to
some value, like discharging it prior to starting the attack
phase. The end-reslut will be a pop. 

I think Tony was talking about this...

Oh, we where sitting and lying around the OB-8 schematics there in
Paul's playroom.

Cheers,
Magnus