Active Audio Removal in HTML5
Download Chrome Canary
https://tools.google.com/dlpage/chromesxs
chrome://flags -- enable mic input
put on headphone.. goto this page
shout at your computer
<script type="text/javascript">
var ctx = new window.webkitAudioContext();
var processor = ctx.createJavaScriptNode(512, 2, 1);
var url = 'http://static1.kevincennis.com/sounds/callmemaybe.mp3';
var audio = new Audio(url);
var micEnabled = false;
var songReady = false;
audio.addEventListener('canplaythrough', function() {
micEnabled && audio.play();
songReady = true;
});
navigator.webkitGetUserMedia({audio: true, video: false}, function(stream) {
micEnabled = true;
var mic = ctx.createMediaStreamSource(stream);
var callme = ctx.createMediaElementSource(audio)
mic.connect(processor);
processor.connect(ctx.destination);
callme.connect(ctx.destination);
songReady && audio.play();
});
processor.onaudioprocess = function(evt) {
var input = evt.inputBuffer.getChannelData(0);
var output = evt.outputBuffer.getChannelData(0);
for (i = 0; i < input.length; i++ ) {
output[i] = -1 * input[i];
}
}
</script>
Written by Sam Saccone
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