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 No messages -odac ; -iadc -d ;;;RT audio I/O ; For Non-realtime ouput leave only the line below: ; -o hvs1.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 the original FLTK example by Gabriel Maldonado and Andres Cabrera ; by Stefano Cucchi and Menno Knevel instr 1 inumLinesX init 16 inumParms init 3 iOutTab ftgen 5,0,8, -2, 0 iPosTab ftgen 6,0,32, -2, 3,2,1,0,4,5,6,7,8,9,10, 11, 15, 14, 13, 12 iSnapTab ftgen 8,0,64, -2, 1,1,1, 2,0,0, 3,2,0, 2,2,2, 5,2,1, 2,3,4, 6,1,7, 0,0,0, \ 1,3,5, 3,4,4, 1,5,8, 1,1,5, 4,3,2, 3,4,5, 7,6,5, 7,8,9 k1 linseg 0, p3, 1 printk 0.2, k1 ; kx, inumParms, inumPointsX, iOutTab, iPosTab, iSnapTab [, iConfigTab] hvs1 k1, inumParms, inumLinesX, iOutTab, iPosTab, iSnapTab ;, iConfigTab k0 tab 0, 5 k1 tab 1, 5 k2 tab 2, 5 printk2 k0 printk2 k1, 10 printk2 k2, 20 aosc1 oscil k0/20, k1*100 + 200, 1 aosc2 oscil k1/20, k2*100 + 200, 1 aosc3 oscil k2/20, k0*100 + 200, 1 aosc4 oscil k1/20, k0*100 + 200, 1 aosc5 oscil k2/20, k1*100 + 200, 1 aosc6 oscil k0/20, k2*100 + 200, 1 outs (aosc1 + aosc2 + aosc3)*0.7, (aosc4 + aosc5 + aosc6)*0.7 endin </CsInstruments> <CsScore> f1 0 1024 10 1 i1 0 10 </CsScore> </CsoundSynthesizer>