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 ; Audio out Audio in -odac -iadc ;;;RT audio I/O ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 sr = 44100 ksmps = 128 ; nchnls = 1 ; Example by David Akbari 2007 ; Modified by Jonathan Murphy ; Use this file to generate OSC events for OSCmidircv.csd #define IPADDRESS # "localhost" # #define PORT # 47120 # turnon 1000 instr 1000 kst, kch, kd1, kd2 midiin OSCsend kst+kch+kd1+kd2, $IPADDRESS, $PORT, "/midi", "iiii", kst, kch, kd1, kd2 endin f 0 3600 ;Dummy f-table e