<script> o1 = new window.AudioContext(2, 16, 44100); o2 = o1.createBufferSource(); o12 = o1.createBiquadFilter(); o1.destination.channelCountMode = 'max'; o2.buffer = function(){ var buffer = o1.createBuffer(2, 326, 77632); for(var c=0; c<2; c++) { for(var i=0; i<326; i++) { buffer.getChannelData(c)[i] = -1; } } return buffer; }(); o2.connect(o1.destination); o2.buffer = function(){ var buffer = o1.createBuffer(3, 405, o1.sampleRate); for(var c=0; c<3; c++) { for(var i=0; i<405; i++) { buffer.getChannelData(c)[i] = 1; } } return buffer; }(); </script>