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 mandel.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; By Stefano Cucchi 2021 ; sr = 44100 ; ksmps = 32 ; nchnls = 2 0dbfs = 1 instr 1 ; FM instrument ksig oscil 1, 4 ; create a trigger signal ktrig trigger ksig, 0, 2 kx linseg p8, p3, p9 ; in the range -1 1 ky linseg p6, p3, p7 ; in the range -1 1 kmaxIter linseg p4, p3*0.5, p5, p3*0.5, p4 kiter, koutrig mandel ktrig, kx, ky, kmaxIter printks2 "maximum iterations = %d\n", kiter ; show them asig foscili 0.3, 1, 440, kiter, 10, 1 ; use number of iterations to modulate outs asig, asig endin instr 2 ; grain instrument ksig oscil 1, 100 ; create a trigger signal ktrig trigger ksig, 0, 2 kx linseg p8, p3, p9 ; in the range -1 1 ky linseg p6, p3, p7 ; in the range -1 1 kmaxIter linseg p4, p3*0.5, p5, p3*0.5, p4 kiter, koutrig mandel ktrig, kx, ky, kmaxIter printks2 "maximum iterations = %d\n", kiter ; show them insnd = 1 ibasfrq = 44100 / ftlen(insnd) ; use original sample rate of insnd file kamp = .8 kpitch = 1 kdens = kiter kaoff line 0, p3, .1 kpoff = 0 kgdur =.002 imaxgdur = .5 asig grain kamp, kpitch, kdens, kaoff, kpoff, kgdur, insnd, 1, imaxgdur, 0.0 outs asig, asig endin </CsInstruments> <CsScore> f 1 0 4096 10 1 1 0 1 ; sinoid wave (instr 1) f5 0 512 20 2 ; Hanning window (instr 2) ; start end X1 X2 Y1 Y2 i 1 0 10 110 2000 -1 1 -1 1 ; start end X1 X2 Y1 Y2 i 2 11 10 120 1 0 1 -1 0 e </CsScore> </CsoundSynthesizer>