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#ifndef INC_GLOBALEFFECTS_INSTR
#define INC_GLOBALEFFECTS_INSTR ##
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Partial Emergence
by Richard Knight 2022
Installation submission for the International Csound Conference 2022
Global effects
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
Reverb
*/
instr global_reverb1
aL, aR bus_read "reverb1"
aL, aR freeverb aL, aR, 0.8, 0.6
bus_mix("master", aL, aR)
endin
/*
Delay 1
*/
instr global_delay1
aL, aR bus_read "delay1"
;aL *= abs(oscil(1, 1))
;aR *= abs(oscil(1, 1))
kfeedback = abs:k(oscil:k(0.5, 4)) + 0.2
aLdlr delayr 0.8
kdeltime = abs(oscil(0.02, 0.04)) + 0.1
aLdel deltapi kdeltime + 0.002
delayw aL + (aLdel * kfeedback)
aRdlr delayr 0.8
aRdel deltapi kdeltime + 0.001
delayw aR + (aRdel * kfeedback)
bus_mix("master", aLdel, aRdel)
endin
/*
Delay 2
*/
instr global_delay2
aL, aR bus_read "delay2"
ifreq1 = 0.25
kfdbkL = abs(oscil(0.8, 1.63))
kfdbkR = abs(oscil(0.8, 1.67))
atimeL = abs(oscil(0.2, ifreq1)) + 0.01
atimeR = abs(oscil(0.2, ifreq1)) + 0.01
aLdlr delayr 1
aLdel deltapi atimeL
aLdel butterhp aLdel, 130
delayw aL + (aLdel * kfdbkL)
aRdlr delayr 1
aRdel deltapi atimeR
aRdel butterhp aRdel, 130
delayw aR + (aRdel * kfdbkR)
bus_mix("master", aLdel, aRdel)
endin
/*
Cyclical PVS sampler
*/
instr global_pvsamp1
aL, aR bus_read "pvsamp1"
ir = 512
iscales[] fillarray 0.25, 0.5, 1, 2, 4
ksampling init 1
ktime = timeinsts()
ksamplestarttime init 0
kplaystarttime init 0
imaxlength = 6
ksamplelength init random(2, imaxlength)
kplaylength init random(2, imaxlength)
krevsend init random(0, 0.4)
kdotune init (random(0, 1) > 0.8) ? 1 : 0
kdohpf init round(random(0, 1))
khpfreq init random(100, 2000)
kreadrate init random(0.005, 0.3)
kscale init iscales[round(random(0, lenarray(iscales) - 1))]
if (ksampling == 1) then
fL1 pvsanal aL, ir, ir/4, ir, 1
fR1 pvsanal aR, ir, ir/4, ir, 1
ibufL, ktL pvsbuffer fL1, imaxlength
ibufR, ktR pvsbuffer fR1, imaxlength
if (ktime - ksamplestarttime >= ksamplelength) then
ksampling = 0
kplaylength = random:k(2, imaxlength*0.9)
kplaystarttime = ktime
kdohpf = round:k(random:k(0, 1))
khpfreq = random:k(100, 2000)
kdotune = (random:k(0, 1) > 0.8) ? 1 : 0
krevsend = random:k(0, 0.6)
kreadrate = random:k(0.005, 0.3)
if (random:k(0, 1) >= 0.7) then
kscale = iscales[round:k(random:k(0, lenarray(iscales) - 1))]
endif
endif
endif
if (ksampling == 0 && ktime - kplaystarttime >= kplaylength) then
ksampling = 1
ksamplestarttime = ktime
ksamplelength = random:k(2, imaxlength)
endif
ktime = abs:k(oscil:k(1, kreadrate))
kplaylengthp = port(kplaylength, 0.1)
fL2 pvsbufread ktime*kplaylengthp, ibufL
fR2 pvsbufread ktime*kplaylengthp, ibufR
kscalep = port(kscale, 0.1)
fL3 pvscale fL2, kscalep
fR3 pvscale fR2, kscalep
aL pvsynth fL3
aR pvsynth fR3
if (kdotune == 1) then
aL, aR mel_tune_portamento aL*0.8, aR*0.8, gifnSine, 16, 1024, 4
endif
if (kdohpf == 1) then
aL butterhp aL, khpfreq
aR butterhp aR, khpfreq
endif
bus_mix("reverb1", aL*krevsend, aR*krevsend)
bus_mix("master", aL, aR)
endin
#end
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