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Cgs synth

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Re: AD Module Idea/Envelope Sequencer

2007-11-12 by thomas white

Hi all,

Updates on my "Drumvelope" Project idea... and a whole
new rant.

Side note 1st: This weekend I built out the Barry
Klein AD Envelope Generator from his music circuits
book. It uses 5M Log pots, which I cannot find, but it
seems to work decently with 1M Log pots too. I find
the attack to be sharp and the decay to be of
acceptable length with the parts listed in the book.
My approach was breadboard and took only 16 parts, but
I still long for a pcb of a module like this including
the stackable feature that has been thrown around on
this list.

I plan to order and use my version (which will end up
as 4 breadboarded circuits: 2xAD, 2xAR envelopes) with
the CGS slope detector to allow the sections to be
stackable with the outputs mixed via a CGS mixer pcb.
Here's hoping for a simple module with all these
functions in one.

What would be great is an 8-step AD/Slope module with
gate switches. Why? Imagine each AD stage has a
"falling" or "end" out gate signal. Each stages gate
signal would be used to start the next AD stage in the
"sequence", but the gates of each stage (and the CV's)
would all also be routed through switches to an on
board mixer to allow for a "mixed" set of gate and CV
jacks. This would create a sequenced envelope type of
structure that sounds great in my mind, but I don't
have enough modules to simulate it now. What are your
thoughts on this?

Thomas

PS. I keep thinking that one gate signal creating a
repetitious firing CV sequencer with irregular rhythm
length would allow for some cool simulations like
bird-calls or similar (you know, those birds that have
a unique tune that repeats over and over, almost
identically really) Enough already, I'm out for now!

Thomas White
Natural Rhythm
www.naturalrhythmmusic.com


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