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 hvs2.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; updated example by Stefano Cucchi and Menno Knevel (original creators unknown) ; sr = 44100 ; ksmps = 32 ; nchnls = 2 0dbfs = 1 instr 1 inumLinesX init 4 ; number of LINES - matrix - 16 POINTS inumLinesY init 4 ; numeber of COLOUMNS inumParms init 3 ; 3 PARAMETERS every ponint of the matrix - take a look at iSnapTab 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, 1,4,4, 1,5,8, 1,1,5, 4,3,2, 3,4,5, 7,6,5, 7,8,9 kx linseg 0, p3*0.3, 1, p3*0.3, 0, p3*0.4, 1 ky linseg 1, p3, 0 ; kx, ky, inumParms, inumlinesX, inumlinesY, iOutTab, iPosTab, iSnapTab hvs2 kx, ky, inumParms, inumLinesX, inumLinesY, iOutTab, iPosTab, iSnapTab k0 tab 0, 5 ; init first value of 3 of iSnapTab k1 tab 1, 5 ; init second value of 3 of iSnapTab k2 tab 2, 5 ; init third value of 3 of iSnapTab printk2 k0, 10 printk2 k1, 10 printk2 k2, 10 ; Make parameters of synthesis depend on the table values produced by hvs ; k0 = first value of group of three in iSnapTab ; k1 = second value of group of three in iSnapTab ; k2 = first value of group of three in iSnapTab ares1 fof 0.2, k0*100 + 50, k1*100 + 200, 0, k2 * 10 + 50, 0.003, 0.02, 0.007, 20, \ 1, 2, p3 ares2 fof 0.2, k1*100 + 50, k2*100 + 200, 0, k0 * 10 + 50, 0.003, 0.02, 0.007, 20, \ 1, 2, p3 kdeclik linseg 0, 0.3, 1, p3-0.6, 1, 0.3, 0 outs ares1*kdeclik, ares2*kdeclik endin </CsInstruments> <CsScore> f 1 0 1024 10 1 ;Sine wave f 2 0 1024 19 0.5 0.5 270 0.5 ;Grain envelope table i1 0 10 e </CsScore> </CsoundSynthesizer>