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 gen32.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 itmp ftgen 1, 0, 16384, 7, 1, 16384, -1 ; sawtooth itmp ftgen 2, 0, 8192, 10, 1 ; sine itmp ftgen 5, 0, 4096, -32, -2, 1.5, 1.0, 0.25, 1, 2, 0.5, 0, 1, 3, -0.25, 0.5 ; mix tables itmp ftgen 6, 0, 16384, 20, 3, 1 ; window ; generate band-limited waveforms inote = 0 loop0: icps = 440 * exp(log(2) * (inote - 69) / 12) ; one table for inumh = sr / (2 * icps) ; each MIDI note number ift = int(inote + 256.5) itmp ftgen ift, 0, 4096, -30, 5, 1, inumh inote = inote + 1 if (inote < 127.5) igoto loop0 instr 1 kcps expon 20, p3, 16000 kft = int(256.5 + 69 + 12 * log(kcps / 440) / log(2)) kft = (kft > 383 ? 383 : kft) a1 phasor kcps a1 tableikt a1, kft, 1, 0, 1 outs a1*.5, a1*.5 endin instr 2 kcps expon 20, p3, 16000 kft = int(256.5 + 69 + 12 * log(kcps / 440) / log(2)) kft = (kft > 383 ? 383 : kft) kgdur limit 10 / kcps, 0.1, 1 a1 grain2 kcps, 0.02, kgdur, 30, kft, 6, -0.5 outs a1*.08, a1*.08 endin </CsInstruments> <CsScore> t 0 60 i 1 0 10 i 2 12 10 e </CsScore> </CsoundSynthesizer>