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<!DOCTYPE html>
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< title > LFO Effects< / title >
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< script type = "text/javascript" src = "../build/Tone.js" > < / script >
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< script type = "text/javascript" src = "./scripts/jquery.min.js" > < / script >
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< script type = "text/javascript" src = "./scripts/Notone.GUI.js" > < / script >
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< script type = "text/javascript" src = "./scripts/Interface.js" > < / script >
< link rel = "stylesheet" type = "text/css" href = "./style/examples.css" >
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< div id = "Content" >
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< div id = "Title" > LFO Effects< / div >
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< div id = "Explanation" >
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These effects use an < a href = "http://tonejs.org/docs/#LFO" > LFO< / a > (Low Frequency Oscillator) to modulate the effect. Click and drag the dot to change the frequency and depth of the effect.
< br > < br >
Docs on < a href = "http://tonejs.org/docs/#AutoPanner" > Tone.AutoPanner< / a > ,
< a href = "http://tonejs.org/docs/#AutoFilter" > Tone.AutoFilter< / a > , and
< a href = "http://tonejs.org/docs/#Tremolo" > Tone.Tremolo< / a >
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< / 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",
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"frequency" : "C4"
}).connect(panner).start();
var osc1 = new Tone.Oscillator({
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"volume" : -Infinity,
"type" : "square6",
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"frequency" : "E4"
}).connect(filter).start();
var osc2 = new Tone.Oscillator({
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"volume" : -Infinity,
"type" : "square6",
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"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,
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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,
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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,
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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);
}
});
})
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