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 loopseg.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 kfreq init p4 ; frequency of loop repetition ifrac = p5 ; frequency ratio of restart triggers ktrig metro kfreq * ifrac ; triggers to restart loop iphase = 0 ; initial phase ; loop of note values (some glissandi) ; val dur val dur etc... knote loopseg kfreq, ktrig, iphase, 40, 1, 40, 0, 43,1,43,0, 49,2,48,0, \ 47,1,47,0, 46,1,46,0, 46,1,47,0, 49,1,49,0, 43,1,43,0, 46,1,46,0, 40,1,39,0 ; loop of filter cutoff values (oct format). This loop, half speed of note loop. kcfoct loopseg kfreq*0.5, ktrig, iphase, 11,2,4,0, 12,1,4,0, 13,1,4,0, \ 11.5,3,4,0, 12.5,1,4,0, 13,2,4,0, 12.5,1,4,0 kenv linseg 0,0.01,1,p3-5.01,1,5,0 ioct = int((rnd(0.999)*4)-2) ; random value either -1, 0 or 1 asig vco2 0.2*kenv,cpsmidinn(knote)*octave(ioct),0 ; sawtooth asig moogladder asig,cpsoct(kcfoct),rnd(0.6) ; filter sawtooth aL,aR pan2 asig,rnd(1) ; random static pan location outs aL, aR endin </CsInstruments> <CsScore> ; 4 layers, each with a different frequency of loop repetition (p4), ; frequency ratio of restart triggers (p5) and pan position (p6). i 1 0 30 0.5 [11/19] i 1 6 30 0.25 [11/13] i 1 12 30 0.125 [11/16] i 1 18 30 1 [11/12] e </CsScore> </CsoundSynthesizer>