third_party/WebKit/LayoutTests/webaudio/waveshaper-oversample-2x.html

   1 <!DOCTYPE html>
   2
   3 <html>
   4 <head>
   5 <script src="../resources/js-test.js"></script>
   6 <script src="resources/compatibility.js"></script>
   7 <script type="text/javascript" src="resources/audio-testing.js"></script>
   8 <script type="text/javascript" src="resources/mix-testing.js"></script>
   9 <script type="text/javascript" src="resources/waveshaper-testing.js"></script>
  10 </head>
  11
  12 <body>
  13
  14 <div id="description"></div>
  15 <div id="console"></div>
  16
  17 <script>
  18 description("Tests 2x WaveShaperNode oversampling.");
  19
  20 var testParams = {
  21     "sampleRate": 44100,
  22     "oversample": "2x",
  23
  24     // Should generate harmonics at 9000, 18000, 27000, 36000
  25     // The last two should be filtered out with the 2x oversampling.
  26     "fundamentalFrequency": 9000,
  27     "acceptableAliasingThresholdDecibels": -75.3
  28 };
  29 runWaveShaperOversamplingTest(testParams);
  30
  31 </script>
  32
  33 </body>
  34 </html>