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 ; Audio out Audio in No messages -odac -iadc -d ;;;RT audio I/O ; For Non-realtime ouput leave only the line below: ; -o vrandi.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=128 ; nchnls=2 ;Example by Andres Cabrera gitab ftgen 0, 0, 16, -7, 0, 128, 0 instr 1 krange init p4 kcps init p5 ioffset init p6 ; table krange kcps ielements idstoffset iseed isize ioffset vrandi gitab, krange, kcps, 3, 3, 2, 1, ioffset kfreq1 table 3, gitab kfreq2 table 4, gitab kfreq3 table 5, gitab ;Change the frequency of three oscillators according to the random values aosc1 oscili 4000, kfreq1, 1 aosc2 oscili 2000, kfreq2, 1 aosc3 oscili 4000, kfreq3, 1 outs aosc1+aosc2, aosc3+aosc2 endin </CsInstruments> <CsScore> f 1 0 2048 10 1 ; krange kcps ioffset i 1 0 5 100 1 300 i 1 5 5 5 1 400 i 1 10 5 100 2 1000 i 1 15 5 400 4 1000 i 1 20 5 1000 8 2000 i 1 20 5 300 32 350 e </CsScore> </CsoundSynthesizer>