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what makes the Dual Envelator a chaotic function source?
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Author what makes the Dual Envelator a chaotic function source?
thesnow
looking into the dual envelator or a classic vco for my next module and was wondering what makes the dual envelator a "chaotic function source" like it says on the website. it sounds interesting but I want to understand what it means. chaotic like random voltage/tones or chaotic like noise? thanks for any insight.
plord
The Envelator will go into low audio range so it could be noisy tones, but I believe the moniker refers to the similarity to a 281 Function Generator.

Put both sides in cycle mode, use the output of one side to mod the attack of the other, take both pos outputs to the crossfader, use any unused output to CV the crossfader, tweak tweak tweak.

Some settings are unusual but regular (using end out as a trigger for the opposite side is handy for this). Some settings are exceedingly random.

Remember when patching that Attack has precedence. So the env won't retrigger while it is still rising, but it will start a new attack phase if it gets a gate during the decay portion. You can use this to your advantage. I misremember which way the voltage for the amod and dmod inputs goes; experiment.

As always, running the output to osc pitch may make it easier to hear what's going on.
slow_riot
I believe what makes the Envelator a chaotic function source is simply the ability to create a controllable feedback situation where 1 side is patched into the other and vice versa.
chamomileshark
hi, this is quoting Dr mabuse from the Wiard group - I hope he doesn't mind me quoting him but this may help...

4. For chaotic function generation, patch AMOD1 and DMOD1 to
OUT+2 and/or OUT-2. The patch AMOD2 and DMOD2 to the
outputs of envelator 1. Put both in cycle mode. This is the classic
"tail chasing" oscillators that was used in the original
demonstration of chaotic systems. Listen at the MIX ouput. You
will have to set both attack and decay controls to less than
maximum. Try various settings of A,D,AMOD and DMOD for
different effects.

I love
messy chaotic patches, so your question was all the more intriguing.
Here is the most self-disorganizing patch in my repetoire that uses
a single envelator as an audio source:

patch cords:
DMOD1 to OUT-2
SQR1 to GATE2
GATE1 to SQR2
OUT+1 to MIX1
OUT-1 to MIXMOD
DMOD2 to MIX OUT
OUT+2 to MIX2
OUT+2 to audio input of amplifier path

knobs:
(given as clock hour-hand positions)
(approximate - but it's the best I can do with text)
attack1 - 11:00 attack2 - 1:00
decay2 - 11:00
Amod1-doesn't matter Amod2 - doesn't matter
Mix - 5:00 (maximum)
------------------------
Decay1, Dmod1, MixMod & Dmod2 become interactive, You just play with
them until the sound makes you happy (or disturbed)

switches:
1-AD 2-cycle

thats it... have fun!

-doc
thesnow
Awesome! Thank you guys for these awesome responses.
infradead
chamomileshark wrote:
hi, this is quoting Dr mabuse from the Wiard group - I hope he doesn't mind me quoting him but this may help...

4. For chaotic function generation, patch AMOD1 and DMOD1 to
OUT+2 and/or OUT-2. The patch AMOD2 and DMOD2 to the
outputs of envelator 1. Put both in cycle mode. This is the classic
"tail chasing" oscillators that was used in the original
demonstration of chaotic systems. Listen at the MIX ouput. You
will have to set both attack and decay controls to less than
maximum. Try various settings of A,D,AMOD and DMOD for
different effects.

I love
messy chaotic patches, so your question was all the more intriguing.
Here is the most self-disorganizing patch in my repetoire that uses
a single envelator as an audio source:

patch cords:
DMOD1 to OUT-2
SQR1 to GATE2
GATE1 to SQR2
OUT+1 to MIX1
OUT-1 to MIXMOD
DMOD2 to MIX OUT
OUT+2 to MIX2
OUT+2 to audio input of amplifier path

knobs:
(given as clock hour-hand positions)
(approximate - but it's the best I can do with text)
attack1 - 11:00 attack2 - 1:00
decay2 - 11:00
Amod1-doesn't matter Amod2 - doesn't matter
Mix - 5:00 (maximum)
------------------------
Decay1, Dmod1, MixMod & Dmod2 become interactive, You just play with
them until the sound makes you happy (or disturbed)

switches:
1-AD 2-cycle

thats it... have fun!

-doc


wow great ideas there. i just got a 2nd envelator for my euro and this lead me to a very nice patch
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