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 gen14.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 ;after the example from The Csound Book, page 83 instr 1 ;compare results from GEN13 & GEN14 iwshpfn = p6 inrmfn = p7 aswp linseg 0.01, p3*.5, .49, p3*.5, 0.01 ;index sweep function aindex poscil aswp, p5, 2 ;sound to waveshape atable tablei aindex, iwshpfn, 1, .5 ;waveshape index anrm tablei aswp*2, inrmfn, 1 ;normalization aenv linen p4, .01, p3, .02 ;amplitude envelope asig = (atable*anrm)*aenv ;normalize and impose envelope asig dcblock2 asig ;get rid of DC outs asig, asig endin </CsInstruments> <CsScore> f 2 0 8192 10 1 ;sine wave f 28 0 4097 13 1 1 1 0 .8 0 .5 0 .2 ;waveshaping function: GEN13 - odd harmonics f 280 0 2049 4 28 1 ;normalization function for f28 f 29 0 4097 14 1 1 1 0 .8 0 .5 0 .2 ;waveshaping function: GEN14 - same harmonics f 290 0 2049 4 29 1 ;normalization function for f29 f 30 0 4097 13 1 1 0 1 0 .6 0 .4 0 .1 ;waveshaping function: GEN13 - even harmonics f 301 0 2049 4 30 1 ;normalization function for f30 f 31 0 4097 14 1 1 0 1 0 .6 0 .4 0 .1 ;waveshaping function: GEN13 - even harmonics f 310 0 2049 4 31 1 ;normalization function for 31 s i1 0 3 .7 440 28 280 i1 4 . .7 . 29 290 i1 8 . .7 . 30 301 i1 12 3 .7 . 31 310 e </CsScore> </CsoundSynthesizer>