See the sections Real-time Audio and Command Line Flags for more information on using command line flags.

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

; Initialize the global variables.
sr = 44100
kr = 4410
ksmps = 10
nchnls = 1
0dbfs = 1

; Instrument #1.
instr 1
  asig1 vco  1, 440, 2, 0.4, 1
  asig2 vco  1, 800, 3, 0.5, 1
  asig  =    asig1+asig2       ;; will go out of range
        out  tanh(asig)        ;; but tanh is a limiter
endin


</CsInstruments>
<CsScore>

f1 0 65536 10 1
; Play Instrument #1 for one second.
i 1 0 1
e


</CsScore>
</CsoundSynthesizer>