Tone.js/examples/simpleSynth.html

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Synth</title>
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
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<link rel="icon" type="image/png" sizes="174x174" href="./style/favicon.png">
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<script src="../build/Tone.js"></script>
<script src="./scripts/jquery.min.js"></script>
<script src="./scripts/draggabilly.js"></script>
<script src="./scripts/StartAudioContext.js"></script>
<script src="./scripts/Interface.js"></script>
<script src="https://tonejs.github.io/Logo/build/Logo.js"></script>
<script src="./scripts/Keyboard.js"></script>
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<link rel="stylesheet" type="text/css" href="./style/examples.css">
<script>
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// jshint ignore: start
</script>
</head>
<body>
<style type="text/css">
img {
width: 80%;
max-width: 700px;
margin-left: auto;
margin-right: auto;
display: block;
}
#Keyboard {
margin: 3px!important;
}
</style>
<div id="Content">
<div id="Title">Synth</div>
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<div id="Explanation">
<a href="https://tonejs.github.io/docs/#Synth" target="_blank">Tone.Synth</a> is composed simply of a
<a href="https://tonejs.github.io/docs/#OmniOscillator" target="_blank">Tone.OmniOscillator</a>
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routed through a
<a href="https://tonejs.github.io/docs/#AmplitudeEnvelope" target="_blank">Tone.AmplitudeEnvelope</a>.
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</div>
<div id="Keyboard"></div>
</div>
<script>
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var synth = new Tone.Synth({
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"oscillator" : {
"type" : "square"
},
"envelope" : {
"attack" : 0.01,
"decay" : 0.2,
"sustain" : 0.2,
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"release" : 0.2,
}
}).toMaster();
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// GUI //
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var keyboard = Interface.Keyboard();
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keyboard.keyDown = function (note) {
synth.triggerAttack(note);
};
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keyboard.keyUp = function () {
synth.triggerRelease();
};
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</script>
</body>
</html>