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 -odac ;;;realtime audio out ; For Non-realtime ouput leave only the line below: ; -o pvsfreeze.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 0dbfs = 1 ; nchnls = 2 ;; example written by joachim heintz 2009 seed 0 instr 1 ifftsize = 1024 ioverlap = ifftsize / 4 iwinsize = ifftsize iwinshape = 1 ; von-Hann window Sfile1 = "fox.wav" ain soundin Sfile1 kfreq randomh .7, 1.1, 3; probability of freezing freqs: 1/4 kamp randomh .7, 1.1, 3; idem for amplitudes fftin pvsanal ain, ifftsize, ioverlap, iwinsize, iwinshape; fft-analysis of file freeze pvsfreeze fftin, kamp, kfreq; freeze amps or freqs independently aout pvsynth freeze; resynthesize outs aout, aout endin </CsInstruments> <CsScore> r 10 i 1 0 2.757 e </CsScore> </CsoundSynthesizer>