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 ; Audio out Audio in -odac ;;;RT audio out ; For Non-realtime ouput leave only the line below: ; -o wguide1.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; by Kevin Conder ; additions by Menno Knevel 2021 ; sr = 44100 ; ksmps = 32 ; nchnls = 2 0dbfs = 1 instr 1 ; Generate some noise. asig noise .5, 0.5 outs asig, asig endin instr 2 asig noise .5, 0.5 ; Generate some noise. kfreq line p4, p3, 100 ; Run it through a wave-guide model. kcutoff init 3000 kfeedback init 0.8 awg1 wguide1 asig, kfreq, kcutoff, kfeedback outs awg1, awg1 endin </CsInstruments> <CsScore> i 1 0 2 ; freq i 2 2 5 2000 ; falling frequency i 2 8 3 100 ; static e </CsScore> </CsoundSynthesizer>