2 <!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
5 <title>MP4 muxed audio
& video with an audio bitrate change.
</title>
6 <meta name=
"timeout" content=
"long">
7 <script src=
"/resources/testharness.js"></script>
8 <script src=
"/resources/testharnessreport.js"></script>
9 <script src=
"mediasource-util.js"></script>
10 <script src=
"mediasource-config-changes.js"></script>
15 mediaSourceConfigChangeTest("mp4", "av-384k-44100Hz-1ch-640x480-30fps-10kfr", "av-448k-44100Hz-1ch-640x480-30fps-10kfr", "Tests mp4 audio bitrate changes in multiplexed content.");