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 real audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o mac.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 ;4 band equalizer klow = p4 ;low gain1 aenv1 oscil 0.2, 1, 4 aenv1 = aenv1 + klow klmid = p5 ;low gain2 aenv2 oscil 0.21, 1.1, 4 aenv2 = aenv2 + klmid kmidh = p6 ;high gain1 aenv3 oscil 0.19, 1.2, 4 aenv3 = aenv3 + kmidh khigh = p7 ;high gain2 aenv4 oscil 0.18, 1.3, 4 aenv4 = aenv4 + khigh ifn = p8 ;table ilc1 table 0, ifn ;low freqency range ilc2 table 1, ifn ;low-mid ihc1 table 2, ifn ;mid-high ihc2 table 3, ifn ;high asig diskin2 "fox.wav", 1 alow1 butterlp asig, ilc1 ;lowpass 1 almid butterlp asig, ilc2 ;lowpass 2 amidh butterhp asig, ihc1 ;highpass 1 ahigh butterhp asig, ihc2 ;highpass 2 aout maca aenv1, alow1, aenv2, almid, aenv3, amidh, aenv4, ahigh outs aout, aout endin </CsInstruments> <CsScore> f1 0 4 -2 150 300 600 5000 f2 0 4 -2 75 500 1000 10000 f3 0 4 -2 200 700 1500 3000 f4 0 4096 10 1 ; low lowmid midhigh high table i 1 0 2.8 2 1 1 1 1 i 1 3 2.8 2 3 1 1 2 i 1 6 2.8 2 1 2 3 3 e </CsScore> </CsoundSynthesizer>