svg问题！高手请指教！

<?xml version="1.0" encoding="utf-8"?>
<svg xmlns:a="http://www.adobe.com/svg10-extensions" a:timeline="independent">
  <desc>SVG audio</desc>
  <a:audio xlink:href="love.mp3" begin="mybutton.mouseover" end="mybutton.mouseout" repeatCount="3"/>
  <g id="mybutton">
    <rect width="150" height="50" x="20" y="20" rx="10" 
      fill="#ffd" stroke="#933" stroke-width="3"/>
    <text x="95" y="50" text-anchor="middle" font-size="20" 
      fill="#933">Mouse Over End</text>
  </g>
  <rect x="0" y="0" width="190" height="90" fill="none" stroke="#777"/>
</svg> 找个love.mp3放到相同目录测试