<html><body><script>

var r0=new AudioContext();

var splitter=r0.createChannelSplitter();
var delay=r0.createDelay();
var scriptp=r0.createScriptProcessor();
var cmerger=r0.createChannelMerger();
var gain=r0.createGain();

splitter.connect(delay,2);
delay.connect(scriptp);
scriptp.connect(cmerger);
cmerger.connect(splitter);
gain.connect(gain);
gain.connect(cmerger);

</script></body></html>