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eduardonunesp/split_channels.html

Last active October 13, 2015 23:28
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Split 7.1 Channels (tested in Safari 9)
Raw
split_channels.html
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<script>
function checkForEC3Support() {
var video = document.createElement('video');
return (video.canPlayType('audio/mp4;codecs="ec-3"') !== '');
}
window.AudioContext = window.AudioContext || window.webkitAudioContext;
var context = new AudioContext();
var sourceBuffer;
var ready = false;
function loadAnotherSound(url) {
var request = new XMLHttpRequest();
request.open('GET', url, true);
request.responseType = 'arraybuffer';
var onError = function(err) {
console.error('error', err);
}
// Decode asynchronously
request.onload = function() {
context.decodeAudioData(request.response, function(buffer) {
var source = context.createBufferSource();
source.buffer = buffer;
var splitter = context.createChannelSplitter(buffer.numberOfChannels);
source.connect(splitter);
splitter.connect(context.destination, 0);
splitter.connect(context.destination, 1);
splitter.connect(context.destination, 2);
splitter.connect(context.destination, 3);
splitter.connect(context.destination, 4);
splitter.connect(context.destination, 5);
splitter.connect(context.destination, 6);
splitter.connect(context.destination, 7);
source.noteOn(0);
ready = true;
}, onError);
}
request.send();
}
console.log('Check', checkForEC3Support());
</script>
<body>
</body>
</html>
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