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 lposcilsa.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; additions by Menno Knevel 2022 ; sr = 44100 ; ksmps = 32 ; nchnls = 2 0dbfs = 1 instr 1 kcps = 1.3 ;a 3th up kloop = 0 ;loop start time in samples kend = p4 ;loop end time in samples aenv expsega 0.01, 0.1, .8, 1, .3, 1.1, .42 ;envelope with fast and short segment aL, aR lposcilsa aenv, kcps, kloop, kend, 1 ;use it for amplitude outs aL, aR endin </CsInstruments> <CsScore> ; table size of stereo file is deferred, ; and format taken from the soundfile header. f 1 0 0 1 "drumsSlp.wav" 0 0 0 i 1 0 5 45000 i 1 6 3 15000 e </CsScore> </CsoundSynthesizer>