    <!--
                Copyright: Copyright 1998-2001 W3C (MIT, INRIA, Keio), All Rights Reserved.
    See http://www.w3.org/Consortium/Legal/.
    Author: M. Eric Hyche
             File Name: layout-soundLevel2.smil
      Media Components: 2 WAV
     Expected Behavior: Tests audio layout.
                        english.wav plays at normal volume, then
                        english.wav plays at 25% of normal volume, then
                        english.wav plays at 200% of normal volume.
    -->
    <smil xmlns="http://www.w3.org/2001/SMIL20/Language">
        <head>
            <layout>
                <root-layout width="680" height="480"/>
                <region id="r25"  soundLevel="25%"/>
                <region id="r100" soundLevel="100%"/>
                <region id="r200" soundLevel="200%"/>
            </layout>
        </head>
        <body>
            <seq>
                <audio region="r100" src="../sounds/english.wav"   dur="6s"/>
                <audio region="r25"  src="../sounds/english.wav"   dur="6s"/>
                <audio region="r200" src="../sounds/english.wav"   dur="6s"/>
            </seq>
        </body>
    </smil>