<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>
