<CsoundSynthesizer> <CsOptions> ; Select audio/midi flags here according to platform -odac ;;;RT audio out ;-iadc ;;;uncomment -iadc if RT audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o butterhp.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> sr = 44100 ksmps = 32 nchnls = 2 0dbfs = 1 instr 1 ; White noise asig rand 0.5 outs asig, asig endin instr 2 ; filtered noise asig rand 0.6 ahp butterhp asig, 500 ;pass frequencies above 500 Hz outs ahp, ahp endin </CsInstruments> <CsScore> i 1 0 2 i 2 2.5 2 e </CsScore> </CsoundSynthesizer>