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 midremot.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 sr = 44100 kr = 441 ksmps = 100 ; nchnls = 2 massign 1,1 massign 2,2 massign 3,3 massign 4,4 massign 5,5 ga1 init 0 ga2 init 0 gi1 sfload "19Trumpet.sf2" gi2 sfload "01hpschd.sf2" gi3 sfload "07AcousticGuitar.sf2" gi4 sfload "22Bassoon.sf2" gitab ftgen 1,0,1024,10,1 midremot "192.168.1.100", "192.168.1.101", 1 midremot "192.168.1.100", "192.168.1.102", 2 midremot "192.168.1.100", "192.168.1.103", 3 midglobal "192.168.1.100", 5 instr 1 sfpassign 0, gi1 ifreq cpsmidi iamp ampmidi 10 inum notnum ivel veloc kamp linsegr 1,1,1,.1,0 kfreq init 1 a1,a2 sfplay ivel,inum,kamp*iamp,kfreq,0,0 outs a1,a2 vincr ga1, a1*.5 vincr ga2, a2*.5 endin instr 2 sfpassign 0, gi2 ifreq cpsmidi iamp ampmidi 15 inum notnum ivel veloc kamp linsegr 1,1,1,.1,0 kfreq init 1 a1,a2 sfplay ivel,inum,kamp*iamp,kfreq,0,0 outs a1,a2 vincr ga1, a1*.4 vincr ga2, a2*.4 endin instr 3 sfpassign 0, gi3 ifreq cpsmidi iamp ampmidi 10 inum notnum ivel veloc kamp linsegr 1,1,1,.1,0 kfreq init 1 a1,a2 sfplay ivel,inum,kamp*iamp,kfreq,0,0 outs a1,a2 vincr ga1, a1*.5 vincr ga2, a2*.5 endin instr 4 sfpassign 0, gi4 ifreq cpsmidi iamp ampmidi 15 inum notnum ivel veloc kamp linsegr 1,1,1,.1,0 kfreq init 1 a1,a2 sfplay ivel,inum,kamp*iamp,kfreq,0,0 outs a1,a2 vincr ga1, a1*.5 vincr ga2, a2*.5 endin instr 5 kamp midic7 1,0,1 denorm ga1 denorm ga2 aL, aR reverbsc ga1, ga2, .9, 16000, sr, 0.5 outs aL, aR ga1 = 0 ga2 = 0 endin </CsInstruments> <CsScore> ; Score f0 160 </CsScore> </CsoundSynthesizer>