&lt;!DOCTYPE mediaobject PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
          "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"&gt;
&lt;mediaobject&gt;
&lt;audioobject&gt;
  &lt;objectinfo&gt;
    &lt;title&gt;Phaser sound effect&lt;/title&gt;
  &lt;/objectinfo&gt;
  &lt;audiodata fileref="phaser.wav"/&gt;
&lt;/audioobject&gt;
&lt;textobject&gt;
&lt;phrase&gt;A &lt;trademark&gt;Star Trek&lt;/trademark&gt; phaser sound effect&lt;/phrase&gt;
&lt;/textobject&gt;
&lt;/mediaobject&gt;