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<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
; Audio out Audio in No messages
-odac -iadc -d ;;;RT audio I/O
; For Non-realtime ouput leave only the line below:
; -o zamod.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>
; Initialize the global variables.
sr = 44100
kr = 4410
ksmps = 10
nchnls = 1
; Initialize the ZAK space.
; Create 2 a-rate variables and 2 k-rate variables.
zakinit 2, 2
; Instrument #1 -- a simple waveform.
instr 1
; Vary an a-rate signal linearly from 20,000 to 0.
asig line 20000, p3, 0
; Send the signal to za variable #1.
zaw asig, 1
endin
; Instrument #2 -- generates audio output.
instr 2
; Generate a simple sine wave.
asin oscil 1, 440, 1
; Modify the sine wave, multiply its amplitude by
; za variable #1.
a1 zamod asin, -1
; Generate the audio output.
out a1
; Clear the za variables, prepare them for
; another pass.
zacl 0, 2
endin
</CsInstruments>
<CsScore>
; Table #1, a sine wave.
f 1 0 16384 10 1
; Play Instrument #1 for 2 seconds.
i 1 0 2
; Play Instrument #2 for 2 seconds.
i 2 0 2
e
</CsScore>
</CsoundSynthesizer>
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