==== Krell Patch ====

<mermaid>
graph TD;
A(Main envelope) --> B(Main VCA)
A(Main envelope) --> |EOC gate|J(Random 1V/oct)
A(Main envelope) --> |EOC gate|K(Random FM modulation)
I(VCO) --> B(Main VCA)
J(Random 1V/oct) --> I(VCO)
K(Random FM modulation) --> I(VCO)
E(Random attack modulation) --> A(Main envelope)
F(Random decay modulation) --> A(Main envelope)
B(Main VCA) --> D(Bandpass filter)
G(Random filter modulation) --> D(Bandpass filter)
D(Bandpass filter) --> H(Main out)
</mermaid>

see also
  * https://www.modwiggler.com//forum/viewtopic.php?t=159798
  * https://manual-synthesis.info/2017/01/26/krell/
  * [[https://www.matrixsynth.com/2012/08/krell-muzak-by-todd-barton-on-buchla.html|Krell Muzak by Todd Barton on Buchla]]