-odac -m0 -d Creative Commons Attribution-NonCommercial-ShareAlike (CC BY-NC-SA) 2 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Partial Emergence by Richard Knight 2022 Installation submission for the International Csound Conference 2022 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ sr = 44100 ksmps = 128 nchnls = 2 0dbfs = 2.5 seed 0 ; set DEBUG to enable lag detection and linear progression ;#define DEBUG ## ; path to progressions #define PROGRESSIONPATH #progressions# ; initial progression; macro used by sequencing_melodic_persistence.udo #define MEL_INITPATH #$PROGRESSIONPATH/progression1.fnmlmel# ; SONICS includes #include "include/soundexport.xdb" ; sound database extract #include "sonics/soundxdb.udo" #include "sonics/array_tools.udo" #include "sonics/sequencing.udo" #include "sonics/sequencing_melodic.udo" #include "sonics/sequencing_melodic_portamento.udo" #include "sonics/sequencing_melodic_persistence.udo" #include "sonics/bussing.udo" #include "sonics/instrument_sineblips.udo" #ifdef DEBUG #include "sonics/lagdetect.udo" #endif ; installation specific includes #include "include/effects_global.inc" #include "include/instruments_water.inc" #include "include/instruments_idiophone.inc" #include "include/instruments_hybrid.inc" #include "include/instruments_synthesis.inc" #include "include/sequence_sections.inc" /* Sections: Array index of dimension 1 corresponds to "sequencer_s%d" instrument, where %d is the index Array index of dimension 2: 0 duration minimum 1 duration maximum 2 follow section A 3 follow section A/B chance ratio (0 = always A, 1 = always B) 4 action section 2 */ gisections[][] init 18, 5 #ifdef DEBUG gisections fillarray\ ; test linear progression 60, 90, 1, 0.3, 1 ,\ ; 0 idiophone single notes 60, 90, 2, 0.3, 2 ,\ ; 1 idiophone chords, alternate mel sections with stretch chords 60, 90, 3, 0.5, 3 ,\ ; 2 bass, idiophone single notes 60, 90, 4, 0.2, 4 ,\ ; 3 bass, idiophone chords 60, 90, 5, 0.3, 5 ,\ ; 4 resonated drop stretch and idiophone notes/stretch 60, 90, 6, 0.3, 6 ,\ ; 5 resonated drop stretch 60, 90, 7, 0.5, 7 ,\ ; 6 tuned drops, stretch chords 60, 90, 8, 0.7, 8 ,\ ; 7 tuned drops, stretch chords more prominent 60, 90, 9, 0.7, 9 ,\ ; 8 drop stretch 60, 90, 10, 0.5, 10,\ ; 9 low portamento chords 60, 90, 11, 0.5, 11,\ ; 10 glitch chord, sines, drops 60, 90, 12, 0.5, 12,\ ; 11 water drops, low minimal chords, resonated drops, stretch water 60, 90, 13, 0.5, 13,\ ; 12 minimal, resonated drops 60, 90, 14, 0.5, 14,\ ; 13 reson drops buildup 60, 90, 15, 0.5, 15,\ ; 14 low drop resonated portamento chords 60, 90, 16, 0.2, 16,\ ; 15 water to idiophone 60, 90, 17, 0.5, 17,\ ; 16 idiophone/drop resonated chords, slower 30, 60, 0, 0.5, 0 ; 17 water paddling hits, resonated drop stretch #else gisections fillarray\ ; live progression 43 ,95 ,1 ,0.2 ,2 ,\ ; 0 idiophone single notes 63 ,125 ,2 ,0.3 ,12 ,\ ; 1 idiophone chords, alternate mel sections with stretch chords 42 ,110 ,3 ,0.2 ,4 ,\ ; 2 bass, idiophone single notes 76 ,134 ,4 ,0.2 ,5 ,\ ; 3 bass, idiophone chords 61 ,92 ,5 ,0.15 ,13 ,\ ; 4 resonated drop stretch and idiophone notes/stretch 57 ,93 ,11 ,0.2 ,6 ,\ ; 5 resonated drop stretch 47 ,105 ,5 ,0.8 ,7 ,\ ; 6 tuned drops, stretch chords 61 ,101 ,14 ,0.7 ,8 ,\ ; 7 tuned drops, stretch chords more prominent 67 ,105 ,5 ,0.8 ,9 ,\ ; 8 drop stretch 53 ,113 ,13 ,0.4 ,1 ,\ ; 9 low portamento chords 65 ,124 ,15 ,0.3 ,0 ,\ ; 10 glitch chord, sines, drops 58 ,113 ,8 ,0.5 ,12 ,\ ; 11 water drops, low minimal chords, resonated drops, stretch water 81 ,153 ,15 ,0.5 ,14 ,\ ; 12 minimal, resonated drops 69 ,112 ,17 ,0.8 ,10 ,\ ; 13 reson drops buildup 62 ,103 ,3 ,0.4 ,9 ,\ ; 14 low drop resonated portamento chords 54 ,101 ,16 ,0.2 ,5 ,\ ; 15 water to idiophone 71 ,116 ,17 ,0.4 ,4 ,\ ; 16 idiophone/drop resonated chords, slower 33 ,66 ,6 ,0.5 ,7 ; 17 water paddling hits, resonated drop stretch #endif ; initial section ginitsection = 0 ; possible melodic progressions which are files in $PROGRESSIONPATH gSprogressions[] fillarray "progression1.fnmlmel", "progression2.fnmlmel", "progression3.fnmlmel" gicurrentprogression init 0 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Control instruments * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* Call all performance instruments accordingly */ instr boot gkseq_tempo init 100 SbootInstrs[] fillarray "audio_output", "sequencer_main", "global_delay1", "global_delay2", "global_reverb1", "global_pvsamp1" index = 0 while (index < lenarray(SbootInstrs)) do schedule(SbootInstrs[index], 0, -1) index += 1 od gimel_portamento_beatratio = 4 turnoff endin /* Master output mastering/processing */ instr audio_output ; gkmastervolume aL, aR bus_read "master" iexcite = 1 aL += (exciter(aL, 3000, 20000, 10, 10)*iexcite) aR += (exciter(aR, 3000, 20000, 10, 10)*iexcite) bus_masterout(aL, aR) endin /* Set random melodic progression */ instr set_progression index = int(random(0, lenarray(gSprogressions))) ; only set if it differs from current if (index != gicurrentprogression) then gicurrentprogression = index Sprogression = gSprogressions[index] prints sprintf("Progression change: %s\n", Sprogression) subinstrinit "mel_loadstate_fs", strcat("$PROGRESSIONPATH/", Sprogression) endif turnoff endin /* Main section sequencer */ instr sequencer_main ; set up initial instrument at init time initduration = random(gisections[ginitsection][0], gisections[ginitsection][1]) ksection init ginitsection ksectiontime init initduration schedule(sprintf("sequencer_s%d", ginitsection), 0, initduration) prints sprintf("Section %d\n", ginitsection) ; react to section changes at k-rate kabstime timeinsts klaststarttime init 0 ; if current section time is up, schedule next if (kabstime - klaststarttime >= ksectiontime) then ; determine next section based on follow action threshold kchance = random:k(0, 1) if (kchance <= gisections[ksection][3]) then ksection = gisections[ksection][4] else ksection = gisections[ksection][2] endif ; get duration between specified min and max ksectiontime = random:k(gisections[ksection][0], gisections[ksection][1]) + random:k(0.5, 1) ; schedule section subsequencer and print status schedulek sprintfk("sequencer_s%d", ksection), 0, ksectiontime printf "Section %d\n", ksection+random:k(1, 4), ksection ; set a new chord progression if relevant if (random:k(0, 1) >= 0.5) then schedulek("set_progression", 0, 1) endif if (random:k(0, 1) > 0.5) then seq_settempo(random:k(20, 100)) endif klaststarttime = kabstime endif #ifdef DEBUG ; write lag detection report for debugging if (lagdetect:k() == 1) then fprintks "lagreport.txt", "Lag in section %d at %f\n", ksection, kabstime - klaststarttime endif #endif endin f0 z i"boot" 0.5 1 ; delay to account for initial melodic progression load