<!doctype html>
<html>
  <head>
    <title>Test k-rate AudioParams of PannerNode</title>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
  </head>
  <body>
    <script>

      function assert_not_constant(arr, description) {
        const first = arr[0];
        for (let i = 1; i < arr.length; ++i) {
          if (Math.abs(arr[i] - first) > Number.EPSILON) {
            // If any element differs from the first by more than a negligible
      