"detailHeaderParens">()</td><td class="detailHeaderType">method</td></tr></table><div class="detailBody"><code> public function clear():<a href="../../../../org/si/sound/mdx/PDXData.html">PDXData</a></code><p></p><p></p><p> Clear. </p><p></p><span class="label">Returns</span><table cellpadding="0" cellspacing="0" border="0"><tr><td width="20"></td><td><code><a href="../../../../org/si/sound/mdx/PDXData.html">PDXData</a></code></td></tr></table></div><a name="extract()"></a><a name="extract(int)"></a><table 