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 --limiter=0.95 ;;;realtime audio out, limit loud pops ;-iadc ;;;uncomment -iadc if realtime audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o lpfreson.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 ; by Menno Knevel - 2021 ;do not use -a option when analyzing "fox.wav" with lpfreson as ;it needs a filter coefficient type of file ires system_i 1,{{ lpanal -p50 -h200 -P50 -Q15000 -v1 fox.wav fox_coef.lpc }} instr 1 ilen filelen "fox.wav" ; length of soundfile prints "fox.wav = %f seconds\\n",ilen aref diskin "fox.wav", 1 ; don't play this, but use this as an amplitude reference ktime line 0, p3, p4 krmsr,krmso,kerr,kcps lpread ktime,"fox_coef.lpc" krmso *= .000007 ; scale amplitude asig buzz krmso, kcps, int(sr/2/kcps), 1 ; max harmonics without aliasing aout lpfreson asig, p5 ; Pole file not supported!! abal balance2 aout, aref ; use amplitude of diskin as reference outs abal, abal endin </CsInstruments> <CsScore> ; sine f1 0 4096 10 1 ; dur ratio i 1 0 2.8 1 1 ; first words i 1 4 2.8 1 .5 ; same, but lower ratio i 1 8 2.8 2.756 1 ; whole sentence i 1 12 2.8 2.756 2 ; same, but higher ratio e </CsScore> </CsoundSynthesizer>