Web Audio Api Convolver

Developer
André Michelle
Size
3,023 Kb
Views
22,264
  1. Web Audio Api Convolver Previews
  2. Web Audio Api Convolver HTML Codes
  3. Web Audio Api Convolver CSS Codes
  4. Web Audio Api Convolver JS Codes

How do I make an web audio api convolver?

Hacking a convolver with the web audio api.Impulse Responses by http://fokkie.home.xs4all.nl/IR.htm. What is a web audio api convolver? How do you make a web audio api convolver? This script and codes were developed by André Michelle on 18 October 2022, Tuesday.

Web Audio Api Convolver Previews
IQ Test

Web Audio Api Convolver - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Web Audio Api Convolver</title> <link rel="stylesheet" href="css/style.css">
</head>
<body> <h2>Web Audio Api Convolver</h2>
<div class="mix"> <div class="controls"> <label>Dry Wet</label> <input type="range" value="100" step="1" min="0" max="100" oninput="changeValue(this.value, 'mix');"></input> <label>Choose Impulse</label> <select id="impulse" size="1" onchange="loadImpulse(this.value);"> <option value="factory.hall.wav">Factory Hall</option> <option value="pa.horn.in.hall.wav">PA horn in hall</option> <option value="blaupunkt.tube.radio.wav">Blaupunkt tube radio</option> <option value="church.schellingwoude.wav">Church Schellingwoude</option> <option value="coalhod.wav">Coalhod</option> <option value="vacuum.cleaner.tube.wav">Vacuum cleaner tube</option> <option value="70.philips.box.stereo.wav">70 Philips Box</option> <option value="washing.machine.wav">Washing machine</option> <option value="tin.can.wav">Tin Can</option>
<option value="Marshall1960A-G12Ms-TAB57-CapEdgeOffAxis-6in.wav">Marshall1960A</option> </select> </div>
</div>
<h4>Impulse Responses by <a href="http://fokkie.home.xs4all.nl/IR.htm" target="_blank">Fokke van Saane</a></h4>
<h4>Music by André Michelle <a href="http://www.audiotool.com/track/mono_sonic/">mono sonic</a></h4>
<audio id="player" crossorigin controls> <source src="http://api.audiotool.com/track/mono_sonic/play.mp3" type="audio/mpeg"> <source src="http://api.audiotool.com/track/mono_sonic/play.ogg" type="audio/ogg"> Your browser does not support the audio tag.
</audio>
<p>Impulse Responses are uncompressed wav-files. Please be patient.</p>
<p>Chrome only.</p> <script src="js/index.js"></script>
</body>
</html>

Web Audio Api Convolver - Script Codes CSS Codes

html, body { font-size: 12px; font-family: "Open Sans"; background: #EEE;
}
a { text-decoration: none; color: #999;
}
audio { display: block;
}
.mix { margin: 0;
}
div.controls label { display: inline-block; text-align: right; width: 110px;
}
div.controls label, div.controls input { vertical-align: middle; padding: 0; margin: 0;
}

Web Audio Api Convolver - Script Codes JS Codes

// impulse responses by Fokke van Saane (http://fokkie.home.xs4all.nl/IR.htm)
// author: [email protected]
var context = new AudioContext();
var audioElement = document.getElementById('player');
var carrier = context.createMediaElementSource(audioElement);
var convolver = context.createConvolver();
var dry = context.createGain();
var wet = context.createGain();
carrier.connect( convolver );
convolver.connect(wet);
carrier.connect(dry);
dry.connect( context.destination );
wet.connect( context.destination );
var mix = function( value ) {	dry.gain.value = ( 1.0 - value );	wet.gain.value = value;
}
var loadImpulse = function ( fileName )
{ var url = "http://files.andre-michelle.com/impulse/" + fileName; var request = new XMLHttpRequest(); request.open( "GET", url, true ); request.responseType = "arraybuffer"; request.onload = function () { context.decodeAudioData( request.response, function ( buffer ) { convolver.buffer = buffer; }, function ( e ) { console.log( e ); } ); };request.onerror = function ( e ) { console.log( e ); }; request.send();
};
loadImpulse(document.getElementById('impulse').value);
mix(1.0);
function changeValue(string,type)
{ var value = parseFloat(string) / 100.0; switch(type) { case 'mix':	mix(value); break; }
}
Web Audio Api Convolver - Script Codes
Web Audio Api Convolver - Script Codes
Home Page Home
Developer André Michelle
Username andremichelle
Uploaded October 18, 2022
Rating 3
Size 3,023 Kb
Views 22,264
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