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 nsamp.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; slightly adapted example from Jonathan Murphy Dec 2006 ; by Menno Knevel 2022 ; sr = 44100 ; ksmps = 32 ; nchnls = 2 0dbfs = 1 instr 1 ifn = p4 ; table number ilen = nsamp(ifn) prints "\nactual numbers of samples = %d\n\n", ilen itrns = 1 ; no transposition ilps = 0 ; loop starts at index 0 ilpe = ilen ; ends at value returned by nsamp above imode = 1 ; loops forward istrt = 0 ; commence playback at index 0 samples ; lphasor provides index into f1 alphs lphasor itrns, ilps, ilpe, imode, istrt atab tablei alphs, ifn outs atab, atab endin </CsInstruments> <CsScore> f 1 0 262144 1 "drumsSlp.wav" 0 4 1 ;stereo file in table, with lots of zeroes f 2 0 262144 1 "fox.wav" 0 4 1 ;mono file in table, with lots of zeroes i1 0 10 1 i1 + 10 2 e </CsScore> </CsoundSynthesizer>