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 phasorbnk.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; Initialize the global variables. ; sr = 44100 ; kr = 4410 ; ksmps = 10 ; nchnls = 1 ; Generate a sinewave table. giwave ftgen 1, 0, 1024, 10, 1 ; Instrument #1 instr 1 ; Generate 10 voices. icnt = 10 ; Empty the output buffer. asum = 0 ; Reset the loop index. kindex = 0 ; This loop is executed every k-cycle. loop: ; Generate non-harmonic partials. kcps = (kindex+1)*100+30 ; Get the phase for each voice. aphas phasorbnk kcps, kindex, icnt ; Read the wave from the table. asig table aphas, giwave, 1 ; Accumulate the audio output. asum = asum + asig ; Increment the index. kindex = kindex + 1 ; Perform the loop until the index (kindex) reaches ; the counter value (icnt). if (kindex < icnt) kgoto loop out asum*3000 endin </CsInstruments> <CsScore> ; Play Instrument #1 for two seconds. i 1 0 2 e </CsScore> </CsoundSynthesizer>