<script>
o1 = new window.AudioContext(1, 2048, 44100);
o2 = o1.createBufferSource();
o1.destination.channelCountMode = 'max';
o2.connect(o1.destination);
o2.buffer = function(){
    var buffer = o1.createBuffer(30, 442, 94933);
    for(var c=0; c<30; c++) {
        for(var i=0; i<442; i++) {
            buffer.getChannelData(c)[i] = 1;
        }
    }
    return buffer;
}();
</script>