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 ; Audio out Audio in -odac -iadc ;;;RT audio I/O ; For Non-realtime ouput leave only the line below: ; -o fof2.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 = 128 ; nchnls = 2 ;By Andres Cabrera 2007 instr 1 ;table-lookup vocal synthesis kris init p12 kdur init p13 kdec init p14 iolaps init p15 ifna init 1 ; Sine wave ifnb init 2 ; Straight line rise shape itotdur init p3 kphs init 0 ; No phase modulation (constant kphs) kfund line p4, p3, p5 kform line p6, p3, p7 koct line p8, p3, p9 kband line p10, p3, p11 kgliss line p16, p3, p17 kenv linen 5000, 0.03, p3, 0.03 ;to avoid clicking aout fof2 kenv, kfund, kform, koct, kband, kris, kdur, kdec, iolaps, \ ifna, ifnb, itotdur, kphs, kgliss outs aout, aout endin </CsInstruments> <CsScore> f1 0 8192 10 1 f2 0 4096 7 0 4096 1 ; kfund1 kfund2 kform1 kform2 koct1 koct2 kband1 kband2 kris kdur kdec iolaps kgliss1 kgliss2 i1 0 4 220 220 510 510 0 0 30 30 0.01 0.03 0.01 20 1 1 i1 + . 220 220 510 910 0 0 30 30 0.01 0.03 0.01 20 1 1 i1 + . 220 220 510 510 0 0 100 30 0.01 0.03 0.01 20 1 1 i1 + . 220 220 510 510 0 1 30 30 0.01 0.03 0.01 20 1 1 i1 + . 220 220 510 510 0 0 30 30 0.01 0.03 0.01 20 1 2 i1 + . 220 220 510 510 0 0 30 30 0.01 0.03 0.01 20 0.5 1 i1 + . 220 220 510 510 0 0 30 30 0.01 0.05 0.01 100 1 1 i1 + . 220 440 510 510 0 0 30 30 0.01 0.05 0.01 100 1 1 e </CsScore> </CsoundSynthesizer>