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 trsplit.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 ain diskin2 "beats.wav", 1 fs1,fsi2 pvsifd ain, 2048, 512, 1 ; ifd analysis fst partials fs1, fsi2, .003, 1, 3, 500 ; partial tracking fslo,fshi trsplit fst, 1500 ; split partial tracks at 1500 Hz aout tradsyn fshi, 1, 1, 500, 1 ; resynthesis of tracks above 1500Hz outs aout, aout endin </CsInstruments> <CsScore> f1 0 8192 10 1 ;sine i 1 0 2 e </CsScore> </CsoundSynthesizer>