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.
; 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 <.wav -W ;;; for file output any platform ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; sr = 44100 ; ksmps = 32 ; nchnls = 2 0dbfs = 1 instr 1 ipch = p4 ipitch = (ipch < 15 ? cpspch(ipch) : ipch) ;if p4 is lower then 15, it assumes p4 to be pitch-class print ipitch ;and not meant to be a frequency in Hertz asig poscil .5, ipitch , 1 outs asig, asig endin f1 0 8192 10 1 ;sine wave i1 0 3 8.00 ;pitch class i1 4 3 800 ;frequency e