class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">extract</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td><td class="detailHeaderRule">&nbsp;</td></tr></table><div class="detailBody"><code> public function extract(noteNumber:int):Vector.&lt;Number&gt;</code><p></p><p></p><p> extract adpcm data 
          </p><p><span class="label"> Parameters </span><table cellpadding="0" cellspacing="0" border="0"><tr><td width="20px"></td><td><code><spa