2014-10-22 22:49:42 +00:00
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<!DOCTYPE html>
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2014-03-15 03:17:18 +00:00
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<html>
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<head>
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2014-10-22 22:49:42 +00:00
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<meta charset="utf-8">
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2014-03-15 05:02:33 +00:00
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<title>Envelope</title>
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2014-03-15 03:17:18 +00:00
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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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2015-12-08 05:06:58 +00:00
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<link rel="icon" type="image/png" sizes="174x174" href="./style/favicon.png">
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2015-02-12 03:39:28 +00:00
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2017-03-18 16:35:37 +00:00
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<script src="../build/Tone.js"></script>
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<script src="./scripts/jquery.min.js"></script>
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<script src="./scripts/draggabilly.js"></script>
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<script src="./scripts/StartAudioContext.js"></script>
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<script src="./scripts/Interface.js"></script>
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<script src="https://tonejs.github.io/Logo/build/Logo.js"></script>
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2014-08-27 15:16:49 +00:00
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2015-02-12 03:39:28 +00:00
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<link rel="stylesheet" type="text/css" href="./style/examples.css">
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2014-06-20 15:04:32 +00:00
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2017-03-18 16:35:37 +00:00
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<script>
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2015-02-12 03:39:28 +00:00
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// jshint ignore: start
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</script>
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2014-08-26 03:47:07 +00:00
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2015-02-12 03:39:28 +00:00
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</head>
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<body>
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<style type="text/css">
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2015-06-26 05:23:05 +00:00
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img {
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width: 300px!important;
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}
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2015-06-26 05:23:05 +00:00
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.y {
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float: left;
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height: 290px!important;
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}
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#Sliders {
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float: left;
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position: relative;
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width: calc(100% - 100px);
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}
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.Button {
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clear: both;
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2015-02-12 03:39:28 +00:00
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}
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</style>
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<div id="Content">
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2015-06-26 05:23:05 +00:00
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<div id="Title">Envelope</div>
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<div id="Explanation">
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2015-06-27 21:25:01 +00:00
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Envelopes ramp amplitude, frequency or any other parameter over time.
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2016-07-07 20:10:29 +00:00
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<a href="https://tonejs.github.io/docs/#Envelope">Tone.Envelope</a> and the classes that extend it
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2015-06-26 05:23:05 +00:00
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implement an <a href="https://en.wikipedia.org/wiki/Synthesizer#ADSR_envelope" target="_blank">ADSR</a> envelope type
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which splits its ramp into four distinct phases: Attack, Decay, Sustain, Release.
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<img src="https://upload.wikimedia.org/wikipedia/commons/e/ea/ADSR_parameter.svg">
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2015-02-20 05:59:19 +00:00
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</div>
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2015-06-26 05:23:05 +00:00
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<div id="Sliders"></div>
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2015-02-12 03:39:28 +00:00
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</div>
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2014-08-26 03:47:07 +00:00
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2017-03-18 16:35:37 +00:00
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<script>
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2015-02-12 03:39:28 +00:00
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var env = new Tone.AmplitudeEnvelope({
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"attack" : 0.11,
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"decay" : 0.21,
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2015-02-12 03:39:28 +00:00
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"sustain" : 0.09,
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"release" : 1.2
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}).toMaster();
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2014-08-26 03:47:07 +00:00
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2015-06-26 05:23:05 +00:00
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//create an oscillator and connect it to the envelope
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var osc = new Tone.Oscillator({
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2015-12-05 18:20:53 +00:00
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"partials" : [3, 2, 1],
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"type" : "custom",
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2015-06-26 05:23:05 +00:00
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"frequency" : "C#4",
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"volume" : -8,
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}).connect(env).start();
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2014-08-28 04:39:17 +00:00
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2017-03-26 20:39:19 +00:00
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// GUI //
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Interface.Slider({
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param : "attack",
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name : "attack",
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parent : $("#Sliders"),
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tone : env,
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min : 0.005,
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max : 1,
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exp : 2,
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});
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2015-06-26 05:23:05 +00:00
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2017-03-26 20:39:19 +00:00
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Interface.Slider({
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param : "decay",
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name : "decay",
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parent : $("#Sliders"),
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tone : env,
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min : 0.005,
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max : 1,
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exp : 2,
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});
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2015-06-26 05:23:05 +00:00
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2017-03-26 20:39:19 +00:00
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Interface.Slider({
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param : "release",
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name : "release",
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parent : $("#Sliders"),
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tone : env,
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min : 0.2,
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max : 2,
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exp : 2,
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});
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2015-06-26 05:23:05 +00:00
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2017-03-26 20:39:19 +00:00
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Interface.Slider({
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param : "sustain",
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name : "sustain",
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tone : env,
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axis : "y",
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min : 0.0,
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max : 1,
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exp : 2,
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});
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2015-06-26 05:23:05 +00:00
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2017-03-26 20:39:19 +00:00
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Interface.Button({
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text : "Trigger Attack",
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activeText : "Trigger Release",
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key : 32, //spacebar
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start : function(){
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env.triggerAttack();
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},
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end : function(){
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env.triggerRelease();
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},
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2014-08-28 04:39:17 +00:00
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});
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2014-03-15 03:17:18 +00:00
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</script>
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</body>
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2017-03-18 16:35:37 +00:00
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</html>
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