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<!DOCTYPE html>
< html >
< head >
< meta charset = "utf-8" >
< title > LFO Effects< / title >
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< meta name = "viewport" content = "width=device-width, initial-scale=1, maximum-scale=1" >
< link rel = "icon" type = "image/png" sizes = "174x174" href = "./favicon.png" >
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< script src = "https://unpkg.com/@webcomponents/webcomponentsjs@^2/webcomponents-bundle.js" > < / script >
< script src = "../build/Tone.js" > < / script >
< script src = "./js/tonejs-ui.js" > < / script >
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< / head >
< body >
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< style type = "text/css" >
tone-content * {
margin-bottom: 50px;
}
tone-play-toggle {
margin-bottom: 10px;
}
< / style >
< tone-example >
< tone-explanation label = "LFO Effects" >
These effects use an < a href = "https://tonejs.github.io/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.
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< br > < br >
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Docs on < a href = "https://tonejs.github.io/docs/AutoPanner" > Tone.AutoPanner< / a > ,
< a href = "https://tonejs.github.io/docs/AutoFilter" > Tone.AutoFilter< / a > , and
< a href = "https://tonejs.github.io/docs/Tremolo" > Tone.Tremolo< / a >
< / tone-explanation >
< tone-content >
< tone-play-toggle id = "osc0" > < / tone-play-toggle >
< tone-auto-panner collapsed > < / tone-auto-panner >
< tone-play-toggle id = "osc1" > < / tone-play-toggle >
< tone-auto-filter collapsed > < / tone-auto-filter >
< tone-play-toggle id = "osc2" > < / tone-play-toggle >
< tone-tremolo collapsed > < / tone-tremolo >
< / tone-content >
< / tone-example >
< script type = "text/javascript" >
//AutoPanner - a panning modulation effect
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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();
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//bind the interface
document.querySelector("#osc0").addEventListener("change", e => {
osc0.volume.rampTo(e.detail ? 0 : -Infinity, 0.1);
});
document.querySelector("#osc1").addEventListener("change", e => {
osc1.volume.rampTo(e.detail ? 0 : -Infinity, 0.1);
});
document.querySelector("#osc2").addEventListener("change", e => {
osc2.volume.rampTo(e.detail ? 0 : -Infinity, 0.1);
});
document.querySelector("tone-tremolo").bind(tremolo);
document.querySelector("tone-auto-filter").bind(filter);
document.querySelector("tone-auto-panner").bind(panner);
/*// GUI //
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Interface.Dragger({
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tone : panner,
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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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Interface.Dragger({
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tone : filter,
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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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Interface.Dragger({
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tone : tremolo,
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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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});*/
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< / script >
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< / body >
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< / html >
