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 gentanh.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 aswp linseg 0.01, p3*.5, .49, p3*.5, 0.01 ;index sweep function aindex poscil aswp, 110, 1 ;sound to waveshape atable tablei aindex, p4, 1, .5 ;waveshape index aenv linen 0.8, .01, p3, .02 ;amplitude envelope asig = (atable*aenv)*p5 ;impose envelope and scale asig dcblock2 asig ;get rid of DC outs asig, asig endin </CsInstruments> <CsScore> f 1 0 8192 10 1 ;sine wave f 2 0 8192 "tanh" -100 100 0 ;symmetrical transfer fuction f 3 0 8192 "tanh" -10 10 0 ;symmetrical f 4 0 8192 "tanh" 0 10 0 ;not symmetrical i1 0 3 2 1 i1 + 3 3 1 i1 + 3 4 2 e </CsScore> </CsoundSynthesizer>