webaudio/mixing.html

<!DOCTYPE html>

<!--
Create two sources and play them simultaneously.  This tests unity-gain summing of AudioNode inputs.
The result should be some laughing playing at the same time as the drumming.
-->

<html>
<head>
<script type="text/javascript" src="resources/audio-testing.js"></script>
<script type="text/javascript" src="resources/buffer-loader.js"></script>

</head>
<body>

<script>

window.onload = init;

var sampleRate = 44100.0;
var lengthInSeconds = 2;

var context = 0;
var bufferLoader = 0;

function init() {
    if (!window.testRunner)
        return;
        
    // Create offline audio context.
    context = new webkitAudioContext(2, sampleRate * lengthInSeconds, sampleRate);
        
    bufferLoader = new BufferLoader(
        context,
        [
        "resources/hyper-reality/br-jam-loop.wav",
        "resources/hyper-reality/laughter.wav",
        ],
        finishedLoading
    );

    bufferLoader.load();
    testRunner.waitUntilDone();
}

function finishedLoading(bufferList) {
    // Create two sources and play them at the same time.
    var source1 = context.createBufferSource();
    var source2 = context.createBufferSource();
    source1.buffer = bufferList[0];
    source2.buffer = bufferList[1];
    
    source1.connect(context.destination);
    source2.connect(context.destination);
    source1.noteOn(0);
    source2.noteOn(0);
    
    context.oncomplete = finishAudioTest;
    context.startRendering();    
}

</script>

</body>
</html>