brunosan/index.html

## index.html
<!DOCTYPE html>
<html>
<body>

<h2>Make (pink) noise</h2>
<p>To sleep, to quiet crying babies, to concentrate, ...</p>

<button onclick="myFunction()" >Start pink noise</button>


<script>
var bufferSize = 4096;
var pinkNoise = (function() {
    var b0, b1, b2, b3, b4, b5, b6;
    b0 = b1 = b2 = b3 = b4 = b5 = b6 = 0.0;
    var node = audioContext.createScriptProcessor(bufferSize, 1, 1);
    node.onaudioprocess = function(e) {
        var output = e.outputBuffer.getChannelData(0);
        for (var i = 0; i < bufferSize; i++) {
            var white = Math.random() * 2 - 1;
            b0 = 0.99886 * b0 + white * 0.0555179;
            b1 = 0.99332 * b1 + white * 0.0750759;
            b2 = 0.96900 * b2 + white * 0.1538520;
            b3 = 0.86650 * b3 + white * 0.3104856;
            b4 = 0.55000 * b4 + white * 0.5329522;
            b5 = -0.7616 * b5 - white * 0.0168980;
            output[i] = b0 + b1 + b2 + b3 + b4 + b5 + b6 + white * 0.5362;
            output[i] *= 0.11; // (roughly) compensate for gain
            b6 = white * 0.115926;
        }
    }
    return node;
})();

pinkNoise.connect(audioContext.destination);
  </script>
</body>
</html>
	<!DOCTYPE html>
	<html>
	<body>

	<h2>Make (pink) noise</h2>
	<p>To sleep, to quiet crying babies, to concentrate, ...</p>

	<button onclick="myFunction()" >Start pink noise</button>



	<script>
	var bufferSize = 4096;
	var pinkNoise = (function() {
	var b0, b1, b2, b3, b4, b5, b6;
	b0 = b1 = b2 = b3 = b4 = b5 = b6 = 0.0;
	var node = audioContext.createScriptProcessor(bufferSize, 1, 1);
	node.onaudioprocess = function(e) {
	var output = e.outputBuffer.getChannelData(0);
	for (var i = 0; i < bufferSize; i++) {
	var white = Math.random() * 2 - 1;
	b0 = 0.99886 * b0 + white * 0.0555179;
	b1 = 0.99332 * b1 + white * 0.0750759;
	b2 = 0.96900 * b2 + white * 0.1538520;
	b3 = 0.86650 * b3 + white * 0.3104856;
	b4 = 0.55000 * b4 + white * 0.5329522;
	b5 = -0.7616 * b5 - white * 0.0168980;
	output[i] = b0 + b1 + b2 + b3 + b4 + b5 + b6 + white * 0.5362;
	output[i] *= 0.11; // (roughly) compensate for gain
	b6 = white * 0.115926;
	}
	}
	return node;
	})();

	pinkNoise.connect(audioContext.destination);
	</script>
	</body>
	</html>