<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 mpulse.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>

; Initialize the global variables.
sr = 44100
kr = 4410
ksmps = 10
nchnls = 1

gkfreq init 0.1

instr 1
  kamp = 10000

  a1 mpulse kamp, gkfreq
  out a1
endin

instr 2
; Assign the value of p4 to gkfreq
gkfreq init p4
endin
</CsInstruments>
<CsScore>

; Play Instrument #1 for one second.
i 1 0 11
i 2 2 1    0.05
i 2 4 1    0.01
i 2 6 1    0.005
; only last notes are audible
i 2 8 1    0.003
i 2 10 1    0.002


e


</CsScore>
</CsoundSynthesizer>