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 tablecopy.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 ;after an example from Jonathan Murphy gilen = 7 gilist ftgen 1, 0, gilen + 1, -2, 2, 3, 4, 5, 6, 7 ;only 6 elements, so 1 is doubled gitmp ftgen 2, 0, gilen + 1, -2, 0 ;empty table gkmax init gilen seed 0 ;each time different instr 1 ktrig metro 3 ;trigger values krnd random 0, gkmax if (ktrig == 1) then kval table krnd, gilist tablew 0, krnd, gilist kread = 0 kwrite = 0 start: knew table kread, gilist if (knew != 0) then tablew knew, kwrite, gitmp kwrite = kwrite + 1 endif kread = kread + 1 if (kread <= gilen) kgoto start tablecopy gilist, gitmp ;fill with zeroes gkmax = gkmax - 1 endif printk2 kval if (gkmax < 0) then event "i", 2, 0, 1/kr ;when ready, then stop endif asig vco2 .5, 40*kval ;sound generation outs asig, asig endin instr 2 exitnow endin </CsInstruments> <CsScore> i1 0 5 e </CsScore> </CsoundSynthesizer>