<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 schedkwhen.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Initialize the global variables. sr = 44100 kr = 44100 ksmps = 1 nchnls = 1 ; Instrument #1 - oscillator with a high note. instr 1 ; Use the fourth p-field as the trigger. ktrigger = p4 kmintim = 0 kmaxnum = 2 kinsnum = 2 kwhen = 0 kdur = 0.5 ; Play Instrument #2 at the same time, if the trigger is set. schedkwhen ktrigger, kmintim, kmaxnum, kinsnum, kwhen, kdur ; Play a high note. a1 oscils 10000, 880, 1 out a1 endin ; Instrument #2 - oscillator with a low note. instr 2 ; Play a low note. a1 oscils 10000, 220, 1 out a1 endin </CsInstruments> <CsScore> ; Table #1, a sine wave. f 1 0 16384 10 1 ; p4 = trigger for Instrument #2 (when p4 > 0). ; Play Instrument #1 for half a second, no trigger. i 1 0 0.5 0 ; Play Instrument #1 for half a second, trigger Instrument #2. i 1 1 0.5 1 e </CsScore> </CsoundSynthesizer>