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 pvspitch.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; by Richard Boulanger & Menno Knevel 2021 ; sr = 44100 ; ksmps = 32 ; nchnls = 2 0dbfs = 1 giwave ftgen 0, 0, 4096, 10, 1, 0.5, 0.333, 0.25, 0.2, 0.1666 instr 1 ifftsize = 1024 iwtype = 1 ; hanning window a1 soundin "flute.aiff" fsig pvsanal a1, ifftsize, ifftsize/4, ifftsize, iwtype kfr, kamp pvspitch fsig, p4 ; estimate pitch, use treshold settings adm poscil kamp, kfr, giwave ; sawtooth gets pitch from the flute outs adm, adm endin </CsInstruments> <CsScore> ; treshold i 1 0 3 .1 i 1 3 3 .01 i 1 6 3 .001 e </CsScore> </CsoundSynthesizer>