<CsoundSynthesizer>
<CsOptions>
-odac -Ma
</CsOptions>
<CsInstruments>
sr = 44100
ksmps = 4
nchnls = 2
0dbfs = 1

initc7 1,1,0.8                 ;set initial controller position
prealloc 1, 10

   instr 1
iNum   notnum                  ;read in midi note number
iCF    ctrl7        1,1,0.1,14 ;read in midi controller 1

; set up default p-field values for midi activated notes
       mididefault  iNum, p4   ;pitch (note number)
       mididefault  0.3, p5    ;amplitude 1
       mididefault  2, p6      ;type 1
       mididefault  0.5, p7    ;pulse width 1
       mididefault  0, p8      ;octave disp. 1
       mididefault  0, p9      ;tuning disp. 1
       mididefault  0.3, p10   ;amplitude 2
       mididefault  1, p11     ;type 2
       mididefault  0.5, p12   ;pulse width 2
       mididefault  -1, p13    ;octave displacement 2
       mididefault  20, p14    ;tuning disp. 2
       mididefault  iCF, p15   ;filter cutoff freq
       mididefault  0.01, p16  ;filter env. attack time
       mididefault  1, p17     ;filter env. decay time
       mididefault  0.01, p18  ;filter env. sustain level
       mididefault  0.1, p19   ;filter release time
       mididefault  0.3, p20   ;filter resonance
       mididefault  0.01, p21  ;amp. env. attack
       mididefault  0.1, p22   ;amp. env. decay.
       mididefault  1, p23     ;amp. env. sustain
       mididefault  0.01, p24  ;amp. env. release

; asign p-fields to variables
iCPS   =            cpsmidinn(p4) ;convert from note number to cps
kAmp1  =            p5
iType1 =            p6
kPW1   =            p7
kOct1  =            octave(p8) ;convert from octave displacement to multiplier
kTune1 =            cent(p9)   ;convert from cents displacement to multiplier
kAmp2  =            p10
iType2 =            p11
kPW2   =            p12
kOct2  =            octave(p13)
kTune2 =            cent(p14)
iCF    =            p15
iFAtt  =            p16
iFDec  =            p17
iFSus  =            p18
iFRel  =            p19
kRes   =            p20
iAAtt  =            p21
iADec  =            p22
iASus  =            p23
iARel  =            p24

;oscillator 1
;if type is sawtooth or square...
if iType1==1||iType1==2 then
 ;...derive vco2 'mode' from waveform type
 iMode1 = (iType1=1?0:2)
 aSig1  vco2   kAmp1,iCPS*kOct1*kTune1,iMode1,kPW1;VCO audio oscillator
else                                   ;otherwise...
 aSig1  noise  kAmp1, 0.5              ;...generate white noise
endif

;oscillator 2 (identical in design to oscillator 1)
if iType2==1||iType2==2 then
 iMode2  =  (iType2=1?0:2)
 aSig2  vco2   kAmp2,iCPS*kOct2*kTune2,iMode2,kPW2
else
  aSig2 noise  kAmp2,0.5
endif

;mix oscillators
aMix       sum          aSig1,aSig2
;lowpass filter
kFiltEnv expsegr 0.0001,iFAtt,iCPS*iCF,iFDec,iCPS*iCF*iFSus,iFRel,0.0001
aOut       moogladder   aMix, kFiltEnv, kRes

;amplitude envelope
aAmpEnv    expsegr      0.0001,iAAtt,1,iADec,iASus,iARel,0.0001
aOut       =            aOut*aAmpEnv
           outs         aOut,aOut
  endin
</CsInstruments>

<CsScore>
;p4  = oscillator frequency
;oscillator 1
;p5  = amplitude
;p6  = type (1=sawtooth,2=square-PWM,3=noise)
;p7  = PWM (square wave only)
;p8  = octave displacement
;p9  = tuning displacement (cents)
;oscillator 2
;p10 = amplitude
;p11 = type (1=sawtooth,2=square-PWM,3=noise)
;p12 = pwm (square wave only)
;p13 = octave displacement
;p14 = tuning displacement (cents)
;global filter envelope
;p15 = cutoff
;p16 = attack time
;p17 = decay time
;p18 = sustain level (fraction of cutoff)
;p19 = release time
;p20 = resonance
;global amplitude envelope
;p21 = attack time
;p22 = decay time
;p23 = sustain level
;p24 = release time
; p1 p2 p3  p4 p5  p6 p7   p8 p9  p10 p11 p12 p13
;p14 p15 p16  p17  p18  p19 p20 p21  p22 p23 p24
i 1  0  1   50 0   2  .5   0  -5  0   2   0.5 0   \
 5   12  .01  2    .01  .1  0   .005 .01 1   .05
i 1  +  1   50 .2  2  .5   0  -5  .2  2   0.5 0   \
 5   1   .01  1    .1   .1  .5  .005 .01 1   .05
i 1  +  1   50 .2  2  .5   0  -8  .2  2   0.5 0   \
 8   3   .01  1    .1   .1  .5  .005 .01 1   .05
i 1  +  1   50 .2  2  .5   0  -8  .2  2   0.5 -1  \
 8   7  .01   1    .1   .1  .5  .005 .01 1   .05
i 1  +  3   50 .2  1  .5   0  -10 .2  1   0.5 -2  \
 10  40  .01  3    .001 .1  .5  .005 .01 1   .05
i 1  +  10  50 1   2  .01  -2 0   .2  3   0.5 0   \
 0   40  5    5    .001 1.5 .1  .005 .01 1   .05

f 0 3600
e
</CsScore>
</CsoundSynthesizer>
;example by Iain McCurdy
