Tone.js/examples/lfoEffects.html

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>LFO Effects</title>
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<script type="text/javascript" src="../build/Tone.js"></script>
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<script type="text/javascript" src="./scripts/jquery.min.js"></script>
<script type="text/javascript" src="../../Notone.js/build/Notone.GUI.js"></script>
<script type="text/javascript" src="./scripts/Interface.js"></script>
<link rel="stylesheet" type="text/css" href="./style/examples.css">
<script type="text/javascript">
// jshint ignore: start
</script>
</head>
<body>
<div id="Content">
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<div id="Title">LFO Effects</div>
<div id="Explanation">
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These effects use an LFO (Low Frequency Oscillator) to modulate the effect. Click and drag the dot to change the frequency and depth of the effect.
</div>
<div id="DragContainer">
</div>
</div>
<script id="JSCode" type="text/javascript">
//AutoPanner - a penning modulation effect
var panner = new Tone.AutoPanner({
"frequency" : 4,
"depth" : 1
}).toMaster().start();
//AutoFilter - a filter modulation effect
var filter = new Tone.AutoFilter({
"frequency" : 2,
"depth" : 0.6
}).toMaster().start();
//Tremolo - an amplitude modulation effect
var tremolo = new Tone.Tremolo({
"frequency" : 0.6,
"depth" : 0.7
}).toMaster().start();
//the input oscillators
var osc0 = new Tone.Oscillator({
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"volume" : -Infinity,
"type" : "square6",
"frequency" : "C4"
}).connect(panner).start();
var osc1 = new Tone.Oscillator({
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"volume" : -Infinity,
"type" : "square6",
"frequency" : "E4"
}).connect(filter).start();
var osc2 = new Tone.Oscillator({
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"volume" : -Infinity,
"type" : "square6",
"frequency" : "A4"
}).connect(tremolo).start();
</script>
<script id="gui" type="text/javascript">
$(function(){
Notone.config({
"search" : false,
"expandInDrawer" : true,
"hideDrawer" : Interface.isMobile,
"drawer" : true,
"container" : "body"
});
var pannerGUI = Notone.add(panner, "AutoPanner");
var tremoloGUI = Notone.add(tremolo, "Tremolo");
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var filterGUI = Notone.add(filter, "AutoFilter");
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new Interface.Dragger({
gui : pannerGUI,
x : {
param : "frequency",
min : 0.1,
max : 8
},
y : {
param : "depth",
min : 0.5,
max : 1
},
start : function(){
osc0.volume.rampTo(0, 0.1);
},
end : function(){
osc0.volume.rampTo(-Infinity, 0.1);
}
});
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new Interface.Dragger({
gui : filterGUI,
x : {
param : "frequency",
min : 0.1,
max : 8
},
y : {
param : "depth",
min : 0.5,
max : 1
},
start : function(){
osc1.volume.rampTo(0, 0.1);
},
end : function(){
osc1.volume.rampTo(-Infinity, 0.1);
}
});
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new Interface.Dragger({
gui : tremoloGUI,
x : {
param : "frequency",
min : 0.1,
max : 8
},
y : {
param : "depth",
min : 0.5,
max : 1
},
start : function(){
osc2.volume.rampTo(0, 0.1);
},
end : function(){
osc2.volume.rampTo(-Infinity, 0.1);
}
});
})
</script>
</body>
</html>