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.
; Select audio/midi flags here according to platform -odac ;;;realtime audio out ; For Non-realtime ouput leave only the line below: ;-o filelen.wav -W ;;; for file output any platform ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; by Menno Knevel 2022 ; sr = 44100 ; ksmps = 32 ; nchnls = 2 0dbfs = 1 instr 1 ; choose between mono or stereo file ilen filelen p4 ; calculate length of soundfile prints "\nlenght of sample = %2.3f seconds\n\n", ilen ichn filenchnls p4 ; check number of channels if (ichn == 1) then ; mono signal asig diskin2 p4, 1 outs asig, asig else aL, aR diskin2 p4, 1 ; stereo signal outs aL, aR endif endin i 1 0 3 "fox.wav" ; mono signal i 1 5 4 "drumsSlp.wav" ; stereo signal e