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elektro80
Site Admin

Joined: Mar 25, 2003 Posts: 21959 Location: Norway
Audio files: 14
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Posted: Sat Jan 22, 2005 6:38 pm Post subject:
A Buchla clone? |
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You guys probably already know about the 200e
http://www.buchla.com/200e/
Check out this link ... look for the Buchla sequencer.
http://pigpendigital.com/namm2005
Cool eh?
I wonder.. is this something that could be patched in the G2.. or even the NM-1? _________________ A Charity Pantomime in aid of Paranoid Schizophrenics descended into chaos yesterday when someone shouted, "He's behind you!"
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mosc
Site Admin

Joined: Jan 31, 2003 Posts: 18262 Location: Durham, NC
Audio files: 229
G2 patch files: 60
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Posted: Sat Jan 22, 2005 7:03 pm Post subject:
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It looks very cool to me. Circles are the logical way to organize sequencers. Well, if it isn't logical, at least it looks cool...
This probability of jumping to a given step is interesting - sort of like a Markov chain. Maybe someone can figure a way to do that on the G2, but I seems like a lot of work for what you'd get musically. _________________ --Howard
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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: Sat Jan 22, 2005 9:26 pm Post subject:
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Without doing any patching.. it seems to me that this could be done using the SeqCtr; just mix a little noise in with the sawtooth that is controlling sequencer step, and voila.
But there are so many other ways to throw indeterminacey into a G2 sequence; I think this (random step) capability is pretty paltry in comparison. |
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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: Sun Jan 23, 2005 6:17 am Post subject:
Re: A Buchla clone? |
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Looks a bit like a Markov-chains type of thing. There is some info in the Curtis Roads Computer music tutorial. And it is not hard to patch. If there is only a choice between two values and a percentage of chance the best seems to use a rnd module and a compare with a value between -64 and +64 that signifies the percentage. E.g. -32 would give a chance of 25% for a value named A and 75% for a value named B. A CtrlSeq could be used to look up actual note values. Or something...
Googling 'Markov chains' comes up with enough to keep you busy today.  |
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egw
Stream Operator

Joined: Feb 01, 2003 Posts: 1569 Location: Asheville NC
Audio files: 18
G2 patch files: 8
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Posted: Sun Jan 23, 2005 9:53 am Post subject:
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Yes, it could be done. But it would get hairy if you want to build a state transition matrix that includes probabilities for every pair of states.
And I agree with others, that there are probably better ways to get musically similar results. I'm interested in any ideas that people have for patterns that are in between random and determinate.
One way to do something musically similar to the Markov sequence is to have a set of notes and choose one of them at a time according to a weight or probability distribution. I wonder if this would sound the same, for all intents and purposes. It loses the notion of sequential correlation. i.e. a note is more or less likely based on what the previous note was. I think that would be more useful for chord progressions than notes in a sequence.
I use random arpeggiators for this sort of thing all the time. In that case all the notes are equally likely, but it's nice to be able to control the set of notes being used in real time.
I've been playing alot with sequences based on the pattern generator. That gives a repeatable random pattern that can be easily changed. Recently I'm experimenting with patterns of patterns, also alternating patterns.
It's a never ending quest to get just the right balance, enough randomness to keep it interesting, but enough structure to sound musical and allow other players to play along (i.e. to sound like it has phrases). |
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