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 pvsdiskin.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 0dbfs = 1 ; nchnls = 2 ; by Menno Knevel 2021 ; analyze sound file and output result to pvoc-ex file ires system_i 1,{{ pvanal fox.wav fox.pvx }} ; default settings instr 1 ktscale line 1, p3, .05 ;change speed fsigr pvsdiskin "fox.pvx", ktscale, 1 ;read PVOCEX file aout pvsynth fsigr ;resynthesise it outs aout, aout endin </CsInstruments> <CsScore> i1 0 10.7 ; the fox jumps twice e </CsScore> </CsoundSynthesizer>