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jon reacted to a post in a topic: order/disorder (2019 rev. 2023)
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opmo reacted to a post in a topic: order/disorder (2019 rev. 2023)
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AM reacted to a post in a topic: Function for direction/trajectory?
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AM reacted to a post in a topic: Function for direction/trajectory?
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Stephane Boussuge reacted to a post in a topic: order/disorder (2019 rev. 2023)
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a little snippet of my work - including some sorting algorithms / hidden data / brownian bridges. played by Nenad Markovic (Ensemble Phoenix) - live recording. https://opusmodus.com/forums/topic/1039-sorting-algorithms/#comment-3314 https://opusmodus.com/forums/topic/2958-brownian-bridge/#comment-10267
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a quick idea: if you would do it with rnd-walk and use it as positions in a pitchfield, you have a some global control over all parameters. pitchfields are - in my opinion - useful, because you have some nice vertical control. you don't have this if you simply have the random walk out of the pitches directly. (progn ;; do a rnd-walk with tendency (setf walk (gen-walk 24 :step '(1 2 3) :backward 0.3 :forward 0.7)) ;; transform it to positions in a pitchfield and "reset list" if min-val < 0 (setf positions (cumulative-sums walk)) (setf positions (if (< (find-min positions) 0) (x+b positions (abs (find-min positions))) positions)) ;; define a pitchfield (or chord) (setf pitchfield (append (expand-tonality '(b3 messiaen-mode6)) (expand-tonality '(b4 messiaen-mode5)) (expand-tonality '(b5 messiaen-mode4)) (expand-tonality '(b6 messiaen-mode3)))) ;; reading pitchfield by positions (position-filter (cumulative-sums walk) pitchfield))
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Stephane Boussuge reacted to a post in a topic: Opusmodus to Max/MSP - Comb Filter Frequencies
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opmo reacted to a post in a topic: Opusmodus to Max/MSP - Comb Filter Frequencies
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Bildschirmaufnahme 2024-04-30 um 22.39.22.mov Just a little gimmic: Sort-Algorithm (plus filter-repeat) controls the frequencies of COMB Filters in Max/MSP when playing some EMF-noise. One single sort process...
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VicentAdsuaraMora reacted to a comment: How to : Speaking piano with Opusmodus
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JulioHerrlein reacted to a comment: How to : Speaking piano with Opusmodus
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opmo reacted to a comment: How to : Speaking piano with Opusmodus
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Stephane Boussuge reacted to a comment: How to : Speaking piano with Opusmodus
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of course... PETER ABLINGERS famous work (2009) Speaking Piano ABLINGER.MUR.AT Speaking Piano nice, to re-do it with OMPO
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AM reacted to a video: How to : Speaking piano with Opusmodus
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AM reacted to a post in a topic: Invocation for Ensemble
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Stephane Boussuge reacted to a post in a topic: position-insert-seq
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kind of ... "position-insert" with OVERWRITE (defun position-insert-seq (&key alist insert item) (let ((pos (car (position-item item alist)))) (position-replace (gen-integer pos (+ pos (1- (length insert)))) insert alist))) (setf alist '(0 0 0 0 0 0 1 0 2 0 0 0 3 5 7)) (setf insert '(a b c d)) (position-insert-seq :alist '(0 0 0 0 0 0 1 0 2 0 0 0 3 5 7) :insert '(a b c d) :item 2) => (0 0 0 0 0 0 1 0 a b c d 3 5 7)
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AM reacted to a post in a topic: Rhythmic Curve between defined values
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AM reacted to a post in a topic: New Video - Partial Pulse
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AM reacted to a video: Opusmodus Score to SuperCollider - Partial Pulse
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dear david this could be helpful for you... some basic-syntax-tutorials have fun! andré well explainend
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AM reacted to a post in a topic: VIDEO: How to Tutorial - Working with Samples in Opusmodus
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AM reacted to a post in a topic: Movement between changing borders
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(defun prob-mutation (alist blist &key (factor 1) (prob-list nil)) (loop for a in alist for b in blist for x in (if (null prob-list) (cumulative-sums (gen-repeat (length alist) (float (/ factor (length alist))))) prob-list) when (probp x) collect b else collect a)) ;;; with linear prob-incf (prob-mutation (gen-repeat 100 1) (gen-repeat 100 2)) => (1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 2 2 2 1 1 1 1 2 2 1 2 2 2 1 1 1 1 1 2 1 1 1 1 1 2 2 1 1 2 2 1 1 2 2 2 2 1 1 2 2 2 1 1 2 1 1 1 1 2 2 2 2 2 2 2 2 2 1 2 2 2 2 1 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2) ;;; with an external prob-list 0 to 1.0 to 0 (setf half-sine (filter-first 100 (gen-sine 200 1 1.0))) (prob-mutation (gen-repeat 100 1) (gen-repeat 100 2) :prob-list half-sine) => (1 1 1 1 1 1 1 1 1 2 2 1 1 2 2 1 2 1 2 1 1 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 1 1 1 2 2 2 2 2 2 2 1 1 2 1 2 1 2 1 1 2 1 1 2 1 1 1 2 1 1) ;;; with an external prob-list 0 to 0.3 to 0 (setf half-sine (filter-first 100 (gen-sine 200 1 0.3))) (prob-mutation (gen-repeat 100 1) (gen-repeat 100 2) :prob-list half-sine) => (1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 1 1 1 2 1 1 1 1 1 2 1 2 1 1 2 1 2 1 2 1 1 1 2 1 1 1 2 1 1 2 1 1 2 1 1 1 2 1 1 1 1 2 1 2 1 2 1 1 1 1 1 2 1 1 2 2 1 2 1 2 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1)
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Opusmodus via OSC, MaxMSP and Polytempo Composer, playing individual tempo-curves.
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update Function to change an event in an omn sequence into a rest
AM replied to rcadiz's topic in Function Examples
very nice, like a SIEVE!! if it would be like: (rnd-rest '(8 7 6 5 4 3 2 1) omn-seq) you could manage the event-density in time... or... (rnd-rest '(0.1 0.2 0.23 0.4 0.7 0.6 0.3 0.43 0.91) omn-seq) ...perhaps also with (gen-envelope-tendency) (or something like that just a spontanious idea -
just a snippet... how i/you can use OPMO for some other things (TIME LAPS test mode, just to see if my code is working correctly). i like the openness of the system. Bildschirmaufnahme 2023-08-30 um 23.09.15.mov
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I asked chatGPT to write a Bach chorale for Opusmodus
AM replied to etu's topic in Suggestions & Ideas
okay, then i will try again -
Practical Common Lisp GIGAMONKEYS.COM
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I asked chatGPT to write a Bach chorale for Opusmodus
AM replied to etu's topic in Suggestions & Ideas
funny but of course it is far far away from bach or a choral harmonization I think there are various difficulties, on the one hand whether chatGPT finds enough information on the net about the harmonization of chorales and probably far too little about OPUSMODUS and LISP. chatGPT doesn't really manage to program usefully in LISP (e.g. I tested sorting algorithms), but chatGPT explained to me extensively how the resulting code works, but it was always full of errorr/bugs. never worked, not fixable either. there is simply still a large amount of data missing for the system. But of course I'm not a specialist, I just tried it (chatGPT) out in an amateurish way -
thanx! this software is such a great tool!!!
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was it not like...? (rnd-sample-seq 2 '(1 2 3 4 5)) => (1 2) => (3 4) (rnd-sample-seq 3 '(1 2 3 4 5)) => (2 3 4) => (3 4 5)