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<CsoundSynthesizer>
<CsOptions>
</CsOptions>
<CsInstruments>
sr=44100
ksmps=64
nchnls=2
0dbfs = 1
instr 1
iamp = p4
ifr = p5
kfr expon ifr,p3,2*ifr
kfc expon 2000,p3, 4000
kq = 10
kbw = kfc/kq
kR = 1 - $M_PI*(kbw/sr)
k1 = kfc/kfr
kn = int(k1)
k1 = k1 - kn
amod,aph ephasor kfr,kR
aosc1 table aph*kn,-1,1,0,1
aosc2 table aph*(kn+1),-1,1,0,1
asig = iamp*(aosc1*(1 - k1) + aosc2*k1)*amod
outs asig, asig
endin
</CsInstruments>
<CsScore>
i1 0 10 0.5 220
e
</CsScore>
</CsoundSynthesizer>
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