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> </CsOptions> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; sr = 44100 ; ksmps = 32 ; nchnls = 1 0dbfs = 1 instr scan a0 init 0 irate = .01 kmass line 2,p3,5 kstiff line 30,p3,45 kcenter line .08,p3,.01 kdamp line .01,p3,.08 kpos line 0,p3,16 kdisplace line 0,p3,.5 ;scanu2 init,irate,ifndisplace,ifnmass,ifnmatrix,ifncentr,ifndamp,kmass,kmtrxstiff, ; kcentr, kdamp, ileft, iright, kpos, kdisplace, ain, idisp, id scanu2 -1, irate, 6, 2, 3, 4, 5, kmass, kstiff, kcenter, kdamp, .2, .7, kpos, kdisplace, a0, 1, 2 ;ar scans kamp, kfreq, ifntraj, id a1 scans ampdbfs(p4), cpspch(p5), 7, 2 a1 dcblock2 a1 out a1 endin </CsInstruments> <CsScore> ; Initial displacement condition f1 0 16 10 1 ; sine hammer ; Masses f2 0 16 -7 1 16 1 ; Spring matrices f3 0 0 -44 "string_with_extras-16.matrxT" ; Centering force f4 0 16 -7 1 16 1 ; uniform initial centering ; Damping f5 0 16 -7 1 16 1 ; uniform damping ; Initial displacement - (displacement, vel, and acceleration ; Acceleration is from stiffness matrix pos effect - increases acceleration f6 0 16 -7 .01 16 .01 ; uniform initial velocity-displacement ; Trajectories f7 0 16 -5 .001 16 16 i"scan" 0 2 -6 7.00 i"scan" 2 2 -6 5.00 i"scan" 4 2 -6 6.00 i"scan" 6 2 -6 8.00 i"scan" 8 2 -6 10.00 e </CsScore> </CsoundSynthesizer>