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The Sherman filterbank has negative sustain on it's ADSR, never seen this done elsewhere. It provides mastersweeps!

Maybe it's easy to do on DSP, I don't know. I suspect this requires different ADSR, but maybe is can be done via modulation/offsets or something.

http://www.sherman.be did it the analog way, I think he'll be glad to assist when you would try it to!!

does it just mean that the sustain is below 0 and then the release sweeps UP to zero? if so it would not be too hard.

that's correct. I did not mean Env. Inversion, that's done before.

Like in:
'value'(after attack)=100
'value'(after decay) = -50


This new Sustain value will be pos/neg. inverse to Env. Depth, which is the 'value'(after attack).

<font size=-1>[ This Message was edited by: atomic on 2002-02-18 10:02 ]</font>

http://www.sherman.be/extras/manual2en.pdf p. 24-33 explains the ADSR

<font size=-1>[ This Message was edited by: atomic on 2002-02-18 10:28 ]</font>

yes it can be done quite easilly.