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<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
; Audio out Audio in
-odac -iadc ;;;RT audio I/O
; For Non-realtime ouput leave only the line below:
; -o checkbox.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>
sr = 44100
ksmps = 10
nchnls = 2
instr 1
; Get the value from the checkbox.
k1 checkbox 1
; If the checkbox is selected then k2=440, otherwise k2=880.
k2 = (k1 == 0 ? 440 : 880)
a1 oscil 10000, k2, 1
outs a1, a1
endin
</CsInstruments>
<CsScore>
; sine wave.
f 1 0 32768 10 1
i 1 0 10
e
</CsScore>
</CsoundSynthesizer>
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