Re: Creating ADSR Envelopes

On Fri, Jan 11, 2013 at 1:17 PM, Ray Bellis <ray@bellis.me.uk> wrote:

> Every (analogue) EG circuit I've looked at used an exponential 1/RC
> curve for all three - attack, decay, and release.


> Knowing the start value, time constant and target value, it's possible
> to calculate at what future time "t" some particular value will be
> reached[*], but it's not *that* easy.


Understood.  But then, how did the analogue EG circuits do this?  (They
have the same approximation behavior since they're a 1/RC charging circuit,
yes?)