2015-06-08 14:41:45 +00:00
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Signals</title>
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2015-06-27 22:10:18 +00:00
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
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2015-06-08 14:41:45 +00:00
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<script type="text/javascript" src="../build/Tone.js"></script>
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2015-06-26 05:23:05 +00:00
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<script type="text/javascript" src="./scripts/jquery.min.js"></script>
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2015-12-05 18:20:53 +00:00
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<script type="text/javascript" src="./scripts/draggabilly.js"></script>
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<script type="text/javascript" src="./scripts/Logo.js"></script>
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2015-06-08 14:41:45 +00:00
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<script type="text/javascript" src="./scripts/Interface.js"></script>
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<link rel="stylesheet" type="text/css" href="./style/examples.css">
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<script type="text/javascript">
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// jshint ignore: start
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</script>
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</head>
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<body>
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<div id="Content">
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2015-06-27 22:02:55 +00:00
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<div id="Title">Control Voltage</div>
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2015-06-08 14:41:45 +00:00
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<div id="Explanation">
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One of the most powerful features of Tone.js is the ability to
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perform math and logic on audio-rate signal. Signals
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can be ramped and scheduled to control Audio Parameters and
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other Signals making it simple to create elaborate,
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2015-06-26 05:23:05 +00:00
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interconnected automations.
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<br><br>
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2015-06-27 22:02:55 +00:00
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This example applies a series of mappings to a
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signal value and applies the results of those mappings
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2015-06-27 22:02:55 +00:00
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to the frequency attribute of 2
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<a href="http://tonejs.org/docs/#Oscillator">Tone.Oscillators</a>
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and a <a href="http://tonejs.org/docs/#LFO">Tone.LFO</a>.
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2015-06-08 14:41:45 +00:00
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</div>
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</div>
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<script type="text/javascript">
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//initially muted
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Tone.Master.mute = true;
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//use this to pan the two oscillators hard left/right
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var merge = new Tone.Merge().toMaster();
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//two oscillators panned hard left / hard right
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var rightOsc = new Tone.Oscillator({
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"type" : "sawtooth",
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"volume" : -20
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}).connect(merge.right).start();
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var leftOsc = new Tone.Oscillator({
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"type" : "square",
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"volume" : -20
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}).connect(merge.left).start();
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2015-06-26 05:23:05 +00:00
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//create an oscillation that goes from 0 to 1200
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//connection it to the detune of the two oscillators
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var detuneLFO = new Tone.LFO({
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"type" : "square",
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"min" : 0,
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"max" : 1200
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}).fan(rightOsc.detune, leftOsc.detune).start();
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//the frequency signal
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var frequency = new Tone.Signal(0.5);
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//the move the 0 to 1 value into frequency range
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var scale = new Tone.ScaleExp(110, 440);
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2015-06-26 05:23:05 +00:00
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//multiply the frequency by 2.5 to get a 10th above
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var mult = new Tone.Multiply(2.5);
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//chain the components together
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frequency.chain(scale, mult);
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scale.connect(rightOsc.frequency);
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mult.connect(leftOsc.frequency);
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//multiply the frequency by 2 to get the octave above
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var detuneScale = new Tone.Scale(14, 4);
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frequency.chain(detuneScale, detuneLFO.frequency);
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2015-06-08 14:41:45 +00:00
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</script>
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<script id="GUI" type="text/javascript">
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$(function(){
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/*Notone.config({
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"search" : false,
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"expandInDrawer" : true,
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"hideDrawer" : Interface.isMobile,
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"drawer" : true,
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"container" : "body"
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});
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2015-06-26 05:23:05 +00:00
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var rightOscGUI = Notone.add(rightOsc, "Right Oscillator", ["type"]);
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var leftOscGUI = Notone.add(leftOsc, "Left Oscillator", ["type"]);
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2015-12-05 18:20:53 +00:00
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var detuneLFOGUI = Notone.add(detuneLFO, "Detune LFO", ["type"]);*/
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2015-06-26 05:23:05 +00:00
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new Interface.Slider({
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drag : function(value){
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frequency.rampTo(value, 0.1);
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},
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start : function(){
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Tone.Master.mute = false;
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},
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end: function(){
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Tone.Master.mute = true;
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},
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name : "frequency",
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min : 0,
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max : 1,
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exp : 0.5,
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value : 0.5,
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position: 5
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});
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2015-06-08 14:41:45 +00:00
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2015-06-26 05:23:05 +00:00
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});
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2015-06-08 14:41:45 +00:00
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</script>
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</body>
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</html>
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