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 & limiter ;-iadc ;;;uncomment -iadc if realtime audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o scantable.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 instr 1 initial ftgen 1, 0, p5, 10, 1 ; initial position = sine wave imass ftgen 2, 0, p5, -7, .1, p5, 1 ; masses istiff ftgen 3, 0, p5, -7, 0, p5*.3, 0.8*p5, p5*.7, 0 ; stiffness idamp ftgen 4, 0, p5, -7, 1, p5, 1 ; damping ivelo ftgen 5, 0, p5, -7, 0, p5, 0.5 ; initial velocity iamp = .15 ipch = cpsmidinn(p4) asig scantable iamp, ipch, 1, 2, 3, 4, 5 asig dcblock asig asig butlp asig, 5000 ; lowpass filter outs asig, asig; endin </CsInstruments> <CsScore> s i1 0 20 50 128 i1 10 10 70 . i1 15 3 40 . s i1 0 20 50 4096 ; f-tables now bigger tables i1 10 10 70 . ; sounds different i1 15 3 40 . s i1 0 20 50 1000 ; still big tables i1 10 10 70 . ; but non-power of 2 i1 15 3 40 . s i1 0 20 50 20 ; small tables i1 10 10 70 . ; & non-power of 2 i1 15 3 40 . e </CsScore> </CsoundSynthesizer>