mozilla-release/testing/web-platform/tests/media-source/mediasource-config-change-mp4-a-bitrate.html

<!DOCTYPE html>
<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
<html>
    <head>
        <title>MP4 audio-only bitrate change.</title>
        <script src="/resources/testharness.js"></script>
        <script src="/resources/testharnessreport.js"></script>
        <script src="mediasource-util.js"></script>
        <script src="mediasource-config-changes.js"></script>
    </head>
    <body>
        <div id="log"></div>
        <script>
            mediaSourceConfigChangeTest("mp4", "a-128k-44100Hz-1ch", "a-192k-44100Hz-1ch", "Tests mp4 audio-only bitrate changes.");
        </script>
    </body>
</html>