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 real audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o foutk.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 - 2020 ; Sing in your microphone for 10'' ; Estimated pitch & amplitude are written on 2 files "amp" 6 "pitch" ; After 10'' a sawtooth is played with these values ; sr = 44100 ; ksmps = 32 ; nchnls = 2 0dbfs = 1 instr 1 ;use pitch iupdte = 0.001 ilo = 6 ihi = 10 idbthresh = 10 ifrqs = 24 iconf = 10 istrt = 8 asig1, asig2 inch 1, 2 koct, kamp pitch asig1, iupdte, ilo, ihi, idbthresh, ifrqs, iconf, istrt ; pitch & amplitude tracking kcps = cpsoct(koct) kamp = kamp*0.00002 foutk "amp", 6, kamp ; write amplitude values on a file - 32-bit floats without header foutk "pitch", 6, kcps ; write pitch values on a file - 32-bit floats without header endin instr 2 kamp readk "amp", 6, p4 ; read amplitude values fro the file kcps readk "pitch", 6, p4 ; read pitchvalues fro the file kcps portk kcps, 0.008 asig oscili kamp, kcps*p5, 1 ; use amplitude & pitch to play a sawtooth kdeclick linseg 0, 0.2, 1, p3 -0.4, 1, 0.2, 0 outs asig*kdeclick, asig*kdeclick endin </CsInstruments> <CsScore> f1 0 16384 10 1 0.5 0.3 0.25 0.2 0.167 0.14 0.125 .111 ;sawtooth i 1 0 10 i 2 10 10 0.001 1 ; e </CsScore> </CsoundSynthesizer>