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 pvsfread.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 ; analyze sound file, creating a PVOC-EX file ires1 system_i 1,{{ pvanal stereoJungle.wav stereoJungle.pvx }} ; default settings instr 1 ; create a PVOC-EX (*.pvx) file with PVANAL first idur filelen "stereoJungle.pvx" ;find duration of (stereo) analysis file kpos line 0,p3,idur ;to ensure we process whole file fsigr pvsfread kpos,"stereoJungle.pvx", 1 ;create fsig from right channel aout pvsynth fsigr ;resynthesise it outs aout, aout endin </CsInstruments> <CsScore> i 1 0 20 ; slow down i 1 21 1 ; speed up e </CsScore> </CsoundSynthesizer>