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Rob
Joined: Mar 29, 2004 Posts: 580 Location: The Hague/Netherlands/EC
G2 patch files: 109
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Jason
Joined: Aug 12, 2004 Posts: 466 Location: Los Angeles, CA. USA
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Posted: Wed May 25, 2005 5:05 pm Post subject:
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Very nice!
In fact ... Awesome!
I just wish I could understand a bit more of what its doing , I am just getting familar with the G2 still. |
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ian-s
Joined: Apr 01, 2004 Posts: 2669 Location: Auckland, New Zealand
Audio files: 42
G2 patch files: 626
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Posted: Wed May 25, 2005 5:58 pm Post subject:
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strange, and attractive. |
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jksuperstar
Joined: Aug 20, 2004 Posts: 2503 Location: Denver
Audio files: 1
G2 patch files: 18
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Posted: Wed May 25, 2005 6:21 pm Post subject:
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Several years ago, there was a "Scientific American" magazine article that showed using 2 identical "chaos" boards (analog w/opamps, etc) to modulate a voice signal. The intent being that you could use them to talk over the phone, with almost no chance of someone else "decoding" the messege. The article was later pulled, due to government pressure and "restrictions" on printing such schematics.
But, it seems we are back to full chaos....G2 in espionage anyone? |
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Jason
Joined: Aug 12, 2004 Posts: 466 Location: Los Angeles, CA. USA
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Posted: Wed May 25, 2005 6:41 pm Post subject:
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lol that is so fascinating actually, I am awful at math but find chaos theory and fractals just amazing, good story jksuperstar. |
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Afro88
Joined: Jun 20, 2004 Posts: 701 Location: Brisbane, Australia
Audio files: 12
G2 patch files: 79
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Posted: Wed May 25, 2005 8:45 pm Post subject:
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Really cool, thanks Rob
I think it sounds really nice on some pattern/bank combo's when the chaos gets caught up on itself and starts repeating a small slowly evolving section. Really nice.
Var 8, 6, 5 and 3 really agree with me |
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Rob
Joined: Mar 29, 2004 Posts: 580 Location: The Hague/Netherlands/EC
G2 patch files: 109
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Posted: Thu May 26, 2005 2:32 am Post subject:
Re: True chaos generator |
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Rob wrote: | The Bank and Pattern constants define the pattern and there are over 16000 patterns in this patch, but theoretically there are millions. Any smoothed glide output can be used to modulate the rate of the S&H clock, to create a sense of acceleration and deceleration.
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What I forgot to mention is that a pattern also depends on its initial state when the Bank and Pattern knob are changed. Meaning that a certain setting can actually produce several different patterns, and it is a surprise which one turns up. This is as a certain state can have several strange attractors as a property. This surprise factor is of course what Chaos is all about, the possible but not imminent generation of 'Happy Accidents'.
A little personal reflection on Chaos:
Mostly 'Accidents' are contributed to either a 'Freak of Nature' or the 'Will of God'. Curiously the happy ones are often attributed to Nature and the unhappy ones to God. Like when God created mankind, which is not too difficult to see as an unhappy accident, He immediately turned mankind itself into the manifestation of His repentence of His own mistake. Thank Him for that, you Creationists! Why didn't He use a couple of weeks, or months, or eon's, for doing His creation and do a better job?
Luckily I'm at the Naturalist side of things myself, where all is just one big Happy Accident and life is very good and where the number 42 says it all. Heiho! |
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mosc
Site Admin
Joined: Jan 31, 2003 Posts: 18197 Location: Durham, NC
Audio files: 212
G2 patch files: 60
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Posted: Fri May 27, 2005 2:23 pm Post subject:
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This chaos thing is confusing to me. Rob, please come by my house sometime this week and explain it to me. Thanks... _________________ --Howard
my music and other stuff |
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Rob
Joined: Mar 29, 2004 Posts: 580 Location: The Hague/Netherlands/EC
G2 patch files: 109
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Posted: Fri May 27, 2005 2:46 pm Post subject:
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mosc wrote: | This chaos thing is confusing to me. Rob, please come by my house sometime this week and explain it to me. Thanks... |
Yeah, could do that. Somewhere in the middle of the week? You mind if I bring a friend? |
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mosc
Site Admin
Joined: Jan 31, 2003 Posts: 18197 Location: Durham, NC
Audio files: 212
G2 patch files: 60
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Posted: Sat May 28, 2005 8:38 am Post subject:
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Joker and I are warming up the Moog Modular for you. _________________ --Howard
my music and other stuff |
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G2egory
Joined: Nov 19, 2004 Posts: 69 Location: Charlottesville VA
Audio files: 3
G2 patch files: 2
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Posted: Sat May 28, 2005 10:16 am Post subject:
Re: True chaos generator |
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Positively wonderful patch. What a versatile building block. There is so much that you can modulate. I can't wait for my teenage son to play with it. Sometimes he comes up with coolest sounds.
Thanks for sharing.
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jofb
Joined: Jun 01, 2005 Posts: 6 Location: porto portugal
G2 patch files: 1
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Posted: Thu Jun 02, 2005 9:53 am Post subject:
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thanks a lot for sharing. i believe my picture is a representation of this. if someone is interested in knowing more about this visit http://mathworld.wolfram.com/LogisticMap.html
best regards jofb _________________ why not taste some portuguese wine along with modular synthesis? |
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jamos
Joined: Jun 01, 2004 Posts: 514 Location: Eugene, Oregon, USA
Audio files: 4
G2 patch files: 41
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Posted: Thu Jun 02, 2005 10:45 am Post subject:
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The chaos function here uses a sine function rather than the logistic map, which probably results in more musical patterns (I think, haven't tried this one yet). The chaos generator I did previously (which is also a true chaos generator ) uses the logistic equation; see http://www.electro-music.com/forum/topic-4823.html |
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jofb
Joined: Jun 01, 2005 Posts: 6 Location: porto portugal
G2 patch files: 1
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Posted: Thu Jun 02, 2005 11:07 am Post subject:
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have to check it better. thanks _________________ why not taste some portuguese wine along with modular synthesis? |
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ian-s
Joined: Apr 01, 2004 Posts: 2669 Location: Auckland, New Zealand
Audio files: 42
G2 patch files: 626
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Posted: Thu Jun 02, 2005 1:04 pm Post subject:
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I don’t know a lot about chaos theory, but I have plenty of experience with chaos in practice. Just try supermarket shopping with 4 kids under 6.
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jofb
Joined: Jun 01, 2005 Posts: 6 Location: porto portugal
G2 patch files: 1
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Posted: Thu Jun 02, 2005 1:57 pm Post subject:
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well g2ian! if eatch one of the kids goes his seperat way your experiencing chaos why not think modular and put some cables on them so they behave as one cheers _________________ why not taste some portuguese wine along with modular synthesis? |
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jksuperstar
Joined: Aug 20, 2004 Posts: 2503 Location: Denver
Audio files: 1
G2 patch files: 18
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Posted: Thu Jun 02, 2005 2:24 pm Post subject:
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Ian - would you consider yourself to be an attractor then? Funny how "Attractor" differs between single & married life, eh? |
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Rob
Joined: Mar 29, 2004 Posts: 580 Location: The Hague/Netherlands/EC
G2 patch files: 109
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Posted: Mon Jun 13, 2005 8:05 am Post subject:
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jamos wrote: | The chaos function here uses a sine function rather than the logistic map, which probably results in more musical patterns (I think, haven't tried this one yet). The chaos generator I did previously (which is also a true chaos generator ) uses the logistic equation; see http://www.electro-music.com/forum/topic-4823.html |
Yeah, basically every non-linear function is potentially chaotic. The sine has the advantage that it produces nicely distributed numbers between minus and plus one, symmetrically distributed around zero. Which is musically of more use than e.g. the common x'= 4x (1-x).
My reference to 'true' chaos was only to differentiate it to e.g. Buchla's Source of Uncertainty and the Wogglebug, etc. As those are not really exhibiting the bifurcations thingies, etc., and so imho do not really classify as chaos generators but more as common random generators. But of course this is not that important, as all are fun. |
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ian-s
Joined: Apr 01, 2004 Posts: 2669 Location: Auckland, New Zealand
Audio files: 42
G2 patch files: 626
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Posted: Thu Jun 16, 2005 7:59 pm Post subject:
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Rob wrote: | My reference to 'true' chaos was only to differentiate it to e.g. Buchla's Source of Uncertainty and the Wogglebug, etc. As those are not really exhibiting the bifurcations thingies, etc., and so imho do not really classify as chaos generators but more as common random generators. But of course this is not that important, as all are fun. |
Actually the #3 Wogglebug is an interesting circuit.
http://www.musicsynthesizer.com/WoggleBug/WoggleBug.html
It is descended from Buchla’s design but instead of sampling and filtering a noisy triangle, the smooth cv controls a VCO who’s sawtooth output becomes the input to the sample & hold. The author describes this as recursive but I would just call it feedback. Anyway like Rob said, a lot of fun. The correlation function on these SOU modules seems equivalent to the Step control on the NM random group, reducing the range of consecutive output samples by ‘recursively ’ sampling your own output.
I built a G2 woggle patch but unfortunately, the Type 2 phase comparator works a little too well and refuses to woggle much at all. The PLL might come in useful later though. |
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cappy2112
Joined: Dec 24, 2004 Posts: 2465 Location: San Jose, California
Audio files: 2
G2 patch files: 1
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Posted: Thu Jun 16, 2005 10:10 pm Post subject:
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jksuperstar wrote: | Several years ago, there was a "Scientific American" magazine article that showed using 2 identical "chaos" boards (analog w/opamps, etc) to modulate a voice signal. The intent being that you could use them to talk over the phone, with almost no chance of someone else "decoding" the messege. The article was later pulled, due to government pressure and "restrictions" on printing such schematics.
But, it seems we are back to full chaos....G2 in espionage anyone? |
Well, there are 4 audio inputs..... |
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