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 gen18.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 instr 1 ifn = p4 ilen = ftlen(ifn) aphase phasor 220 asig tablei aphase*ilen, ifn outs asig, asig endin </CsInstruments> <CsScore> f 1 0 4096 10 1 ;sine f 2 0 4096 10 1 0.5 0.3 0.25 0.2 0.167 0.14 0.125 .111 ;sawtooth f 3 0 4096 11 10 5 2 ;cosine partials f 11 0 8192 18 1 1 0 4095 2 1 4096 8191 ;sine+sawtooth f 12 0 8192 18 1 1 0 4095 3 1 4096 8191 ;sine+cosine partials f 13 0 1024 18 1 0.7 0 767 3 0.7 512 1023 ;sine+cosine partials overlapped, shorter table i 1 0 2 2 ;play sawtooth i 1 + 2 3 ;then cosine partials i 1 5 2 11 ;now sine+sawtooth i 1 + 2 12 ;and sine+cosine partials i 1 + 2 13 ;and sine+cosine partials overlapped, shorter table e </CsScore> </CsoundSynthesizer>