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 RT audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o st2ms.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 Menno Knevel - 2021 ; sample = ambient sound of waterfall + animals (monkey) instr 1 al, ar diskin2 "stereoJungle.wav", 1 ; stereo sample am, as st2ms al,ar fout "MSJungleEncoded.wav", -1, am *.6, as *.6 ; write MS encoded audio file to disk outs am *.6, as *.6 ; & reduce volume a bit endin instr 2 al, ar diskin2 "MSJungleEncoded.wav", 1 ; get back in the MS encoded sample am, as ms2st al,ar, p4 outs am, as endin </CsInstruments> <CsScore> i1 0 6.7 ; encode signal, write to disk i2 10 6.7 .5 ; read encoded file from disk and decode 1:1 i2 17 6.7 .7 ; decode but with more width e </CsScore> </CsoundSynthesizer>