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 oscbnk.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 ; By Stefano Cucchi 2020 instr 1 kcps = 300 kamd = 3 kfmd = 2 kpmd = 2.3 iovrlap = p4 iseed = 0.2 kl1minf = 1.1 kl1maxf = 2.3 kl2minf = 0.2 kl2maxf = 1.5 ilfomode = 64 + 16 + 8 + 2 ; LFO1 to amplitude + LFO1 to EQ + LFO2 to frequency + LFO2 to phase keqminf = 20 keqmaxf = 12000 keqminl = 0.1 keqmaxl = 23 keqminq = 0.2 keqmaxq = 2 ieqmode = 1 kfn = 1 a1 oscbnk kcps, kamd, kfmd, kpmd, iovrlap, iseed, kl1minf, kl1maxf, kl2minf, kl2maxf, ilfomode, keqminf, keqmaxf, keqminl, keqmaxl, keqminq, keqmaxq, ieqmode, kfn, 2 ,2 ,2 ,2 ,2 kdeclick linseg 0, 0.3, 0.9, p3-0.6, 0.9, 0.3, 0 outs a1*0.003*kdeclick, a1*0.003*kdeclick endin </CsInstruments> <CsScore> f1 0 4096 10 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 f2 0 4096 10 1 i1 0 4 3 i1 5 4 32 e </CsScore> </CsoundSynthesizer>