2015-06-08 14:41:45 +00:00
|
|
|
<!DOCTYPE html>
|
|
|
|
|
<html>
|
|
|
|
|
<head>
|
|
|
|
|
<meta charset="utf-8">
|
2019-01-09 01:21:29 +00:00
|
|
|
<title>Signal</title>
|
2015-06-08 14:41:45 +00:00
|
|
|
|
2019-01-09 01:21:29 +00:00
|
|
|
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
|
|
|
|
|
<link rel="icon" type="image/png" sizes="174x174" href="./favicon.png">
|
2015-06-08 14:41:45 +00:00
|
|
|
|
2020-07-18 00:58:09 +00:00
|
|
|
<script src="https://cdnjs.cloudflare.com/ajax/libs/webcomponentsjs/2.4.3/webcomponents-bundle.js"></script>
|
2020-07-18 00:36:42 +00:00
|
|
|
<link href="https://fonts.googleapis.com/css?family=Material+Icons&display=block" rel="stylesheet"/>
|
2017-03-18 16:35:37 +00:00
|
|
|
<script src="../build/Tone.js"></script>
|
2020-07-18 00:58:09 +00:00
|
|
|
<script src="./js/tone-ui.js"></script>
|
|
|
|
|
<script src="./js/components.js"></script>
|
2019-01-09 01:21:29 +00:00
|
|
|
<style type="text/css">
|
|
|
|
|
tone-play-toggle {
|
|
|
|
|
margin-bottom: 10px;
|
|
|
|
|
}
|
|
|
|
|
tone-slider {
|
|
|
|
|
display: block;
|
|
|
|
|
width: 100%;
|
|
|
|
|
}
|
|
|
|
|
</style>
|
2015-06-08 14:41:45 +00:00
|
|
|
</head>
|
|
|
|
|
<body>
|
2020-07-18 00:36:42 +00:00
|
|
|
<tone-example label="Control Voltage">
|
|
|
|
|
<div slot="explanation">
|
2019-01-09 01:21:29 +00:00
|
|
|
One of the most powerful features of Tone.js and the Web Audio API is the ability to
|
2015-06-08 14:41:45 +00:00
|
|
|
perform math and logic on audio-rate signal. Signals
|
|
|
|
|
can be ramped and scheduled to control Audio Parameters and
|
|
|
|
|
other Signals making it simple to create elaborate,
|
2015-06-26 05:23:05 +00:00
|
|
|
interconnected automations.
|
|
|
|
|
<br><br>
|
2015-06-27 22:02:55 +00:00
|
|
|
This example applies a series of mappings to a
|
2015-06-26 05:23:05 +00:00
|
|
|
signal value and applies the results of those mappings
|
2015-06-27 22:02:55 +00:00
|
|
|
to the frequency attribute of 2
|
2019-01-09 01:21:29 +00:00
|
|
|
<a href="https://tonejs.github.io/docs/Oscillator">Tone.Oscillators</a>
|
|
|
|
|
and a <a href="https://tonejs.github.io/docs/LFO">Tone.LFO</a>.
|
2020-07-18 00:36:42 +00:00
|
|
|
</div>
|
2015-06-26 05:23:05 +00:00
|
|
|
|
2020-07-18 00:36:42 +00:00
|
|
|
<div id="content">
|
2019-01-09 01:21:29 +00:00
|
|
|
<tone-play-toggle></tone-play-toggle>
|
|
|
|
|
<tone-slider label="Modulation Rate" min="0.1" max="1" exp="2" value="0.5"></tone-slider>
|
2020-07-18 00:36:42 +00:00
|
|
|
</div>
|
2019-01-09 01:21:29 +00:00
|
|
|
</tone-example>
|
|
|
|
|
|
|
|
|
|
<script type="text/javascript">//use this to pan the two oscillators hard left/right
|
2020-07-18 00:36:42 +00:00
|
|
|
var merge = new Tone.Merge().toDestination();
|
2015-06-26 05:23:05 +00:00
|
|
|
|
|
|
|
|
//two oscillators panned hard left / hard right
|
|
|
|
|
var rightOsc = new Tone.Oscillator({
|
|
|
|
|
"type" : "sawtooth",
|
|
|
|
|
"volume" : -20
|
2020-07-18 00:36:42 +00:00
|
|
|
}).connect(merge, 0, 0);
|
2015-06-08 14:41:45 +00:00
|
|
|
|
2015-06-26 05:23:05 +00:00
|
|
|
var leftOsc = new Tone.Oscillator({
|
|
|
|
|
"type" : "square",
|
|
|
|
|
"volume" : -20
|
2020-07-18 00:36:42 +00:00
|
|
|
}).connect(merge, 0, 1);
|
2015-06-08 14:41:45 +00:00
|
|
|
|
2015-06-26 05:23:05 +00:00
|
|
|
//create an oscillation that goes from 0 to 1200
|
|
|
|
|
//connection it to the detune of the two oscillators
|
|
|
|
|
var detuneLFO = new Tone.LFO({
|
|
|
|
|
"type" : "square",
|
|
|
|
|
"min" : 0,
|
|
|
|
|
"max" : 1200
|
|
|
|
|
}).fan(rightOsc.detune, leftOsc.detune).start();
|
|
|
|
|
|
|
|
|
|
//the frequency signal
|
|
|
|
|
var frequency = new Tone.Signal(0.5);
|
|
|
|
|
|
|
|
|
|
//the move the 0 to 1 value into frequency range
|
|
|
|
|
var scale = new Tone.ScaleExp(110, 440);
|
2015-06-08 14:41:45 +00:00
|
|
|
|
2015-06-26 05:23:05 +00:00
|
|
|
//multiply the frequency by 2.5 to get a 10th above
|
|
|
|
|
var mult = new Tone.Multiply(2.5);
|
2015-06-08 14:41:45 +00:00
|
|
|
|
|
|
|
|
//chain the components together
|
2015-06-26 05:23:05 +00:00
|
|
|
frequency.chain(scale, mult);
|
|
|
|
|
scale.connect(rightOsc.frequency);
|
|
|
|
|
mult.connect(leftOsc.frequency);
|
|
|
|
|
|
|
|
|
|
//multiply the frequency by 2 to get the octave above
|
|
|
|
|
var detuneScale = new Tone.Scale(14, 4);
|
|
|
|
|
frequency.chain(detuneScale, detuneLFO.frequency);
|
|
|
|
|
|
2019-01-09 01:21:29 +00:00
|
|
|
//start the oscillators with the play button
|
2020-07-18 00:36:42 +00:00
|
|
|
document.querySelector("tone-play-toggle").addEventListener("start", () => {
|
|
|
|
|
rightOsc.start();
|
|
|
|
|
leftOsc.start();
|
|
|
|
|
});
|
|
|
|
|
document.querySelector("tone-play-toggle").addEventListener("stop", () => {
|
|
|
|
|
rightOsc.stop();
|
|
|
|
|
leftOsc.stop();
|
2019-01-09 01:21:29 +00:00
|
|
|
});
|
2017-03-26 20:39:19 +00:00
|
|
|
|
2019-01-09 01:21:29 +00:00
|
|
|
//ramp the frequency with the slider
|
2020-07-18 00:36:42 +00:00
|
|
|
document.querySelector("tone-slider").addEventListener("input", e => {
|
|
|
|
|
frequency.rampTo(parseFloat(e.target.value), 0.1);
|
2015-06-26 05:23:05 +00:00
|
|
|
});
|
2019-01-09 01:21:29 +00:00
|
|
|
|
2015-06-08 14:41:45 +00:00
|
|
|
</script>
|
2017-03-26 20:39:19 +00:00
|
|
|
|
2015-06-08 14:41:45 +00:00
|
|
|
</body>
|
2017-03-18 16:35:37 +00:00
|
|
|
</html>
|
