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 filter2.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 ; 2 saw waves of which one is slightly detuned ib1 = p5 ivol = p6 ;volume to compensate kcps init cpspch(p4) asig1 vco2 .05, kcps ;saw 1 asaw1 filter2 asig1, 1, 1, 1, ib1 ;filter 1 asig2 vco2 .05, kcps+1 ;saw 2 asaw2 filter2 asig2, 1, 1, 1, ib1 ;filter 2 aout = (asaw1+asaw2)*ivol ;mix outs aout, aout endin i 1 0 4 6.00 -.001 5 ;different filter values i 1 + 4 6.00 -.6 2 ;and different volumes i 1 + 4 6.00 -.95 .3 ;to compensate e