This should play if your Web browser has WebAssembly enabled (most do). Most examples will play unless they need to load files. The first time you click Play, Csound will spend a few seconds loading, then play. You can edit this code and replay it.
<CsoundSynthesizer> <CsOptions> ; Select audio/midi flags here according to platform -odac ;;;realtime audio out ;-iadc ;;;uncomment -iadc if realtime audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o loopsegp.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; sr = 44100 ; ksmps = 32 ; nchnls = 2 0dbfs = 1 instr 1 ktrig metro 22/8 ; triggers used to generate new direction values kdir trandom ktrig,-2.99,2.99 kdir = 0.5*int(kdir) ; kdir will either -1, -0.5, 0, 0.5 or 1 ; kphase - looping pointer kphase phasor kdir ; a loop sequence of midi note numbers and durations knote loopsegp kphase, 40,1,40,0, 43,1,43,0, 49,2,48,0, \ 47,1,47,0, 46,1,46,0, 46,1,47,0, 49,1,49,0, 43,1,43,0, 46,1,46,0, 40,1,39,0 kmul rspline 0.1,0.8,0.5,5 ; modulation of buzz tone asig gbuzz 0.2, cpsmidinn(knote), 30, 3, kmul, 1 ; buzz tone outs asig, asig schedkwhen ktrig,0,0,2,0,0.1 ; play metronome endin instr 2 ; metronome acps expon 180+rnd(40),p3,50 aamp expon 0.05+rnd(0.05),p3,0.001 asig poscil aamp-0.001,acps,2 outs asig,asig endin </CsInstruments> <CsScore> ; cosine wave. f 1 0 16384 11 1 ; sine wave. f 2 0 16384 10 1 i 1 0 360 0.25 e </CsScore> </CsoundSynthesizer>