chromium/third_party/blink/web_tests/webaudio/codec-tests/opus/opus-decode.html

<!DOCTYPE html>
<html>
  <head>
    <title>
      Test OPUS Decoding
    </title>
    <script src="../../resources/audio-codec-test.js"></script>
    <script src="../../resources/audit-util.js"></script>
    <script src="../../resources/buffer-loader.js"></script>
    <script src="../../resources/audio-file-utils.js"></script>
  </head>
  <body>
    <script id="layout-test-code">
      let url = 'opus-test.opus';

      window.onload = function() {
        runDecodingTest(url, 48000)
      };
    </script>
  </body>
</html>