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 pvsdemix.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 instr 1 ifftsize = 2048 iwtype = 1 kpos = p4 asig1 diskin2 "fox.wav",1,0,1 asig2 diskin2 "beats.wav",1,0,1 aL, aR pan2 asig1,0.25 aL1, aR1 pan2 asig2,0.75 if p5 == 0 then outs aL1+aL, aR1+aR else flc pvsanal aL1+aL, ifftsize, ifftsize/4, ifftsize, iwtype frc pvsanal aR1+aR, ifftsize, ifftsize/4, ifftsize, iwtype fdm pvsdemix flc, frc,kpos,20,100 adm pvsynth fdm adm *= 0.5 outs adm, adm endif endin </CsInstruments> <CsScore> ; pan choice i 1 0 5 0 0 ; bypass i 1 5 5 -0.5 1 ; fox i 1 10 5 0.5 1 ; beats e </CsScore> </CsoundSynthesizer>