<!DOCTYPE HTML> <html> <head> <title>Test PannerNode directly above</title> <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> </head> <body> <pre id="test"> <script src="webaudio.js" type="text/javascript"></script> <script class="testbody" type="text/javascript"> var gTest = { numberOfChannels: 2, createGraph: function(context) { // An up vector will be made perpendicular to the front vector, in the // front-up plane. context.listener.setOrientation(0, 6.311749985202524e+307, 0, 0.1, 1000, 0); // Linearly dependent vectors are ignored. context.listener.setOrientation(0, 0, -6.311749985202524e+307, 0, 0, 6.311749985202524e+307); var panner = context.createPanner(); panner.positionX.value = 2; // directly above panner.rolloffFactor = 0; // no distance gain panner.panningModel = "equalpower"; // no effect when directly above var source = context.createBufferSource(); source.buffer = this.buffer; source.connect(panner); source.start(0); return panner; }, createExpectedBuffers: function(context) { var expectedBuffer = context.createBuffer(2, 2048, context.sampleRate); for (var i = 0; i < 2048; ++i) { // Different signals in left and right buffers expectedBuffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate); expectedBuffer.getChannelData(1)[i] = Math.sin(220 * 2 * Math.PI * i / context.sampleRate); } this.buffer = expectedBuffer; return expectedBuffer; }, }; runTest(); </script> </pre> </body> </html>