[sdiy] Good Expo curve for VCA use..

Mattias Rickardsson mr at analogue.org
Mon Oct 15 22:04:30 CEST 2012

On 15 October 2012 21:52, Oscar Salas <osalas at electronic-sea.net> wrote:
>>> But note: the attack portion is an exponential charge curve as in your
>>> Expo1.
>>> This sounds good for sounds that start quickly, but is not useful for
>>> slowly fading in a sound in a constant fading manner.
>> Actually, I tend to think that the "inverted decay" curve (in analog
>> envelopes it's generally an inverted decay up to a preset threshold, at
>> which point it switches to the decay stage) is more desirable than an
>> exponential attack. An exponential attack (the DX7 being a good example of
>> this) tends to sound unnatural, like a sound played in reverse -
>> definitely not "constant fading". On a DX7 you generally need to use two
>> envelope stages to get a usable attack.
> Hey Scott, what you are referring when you say exponential or "inverted
> decay"? to exp1 or exp2 defined in the first post?

He's referring to Expo1.


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