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    <title>MATLAB Central Newsreader - How to plot signal with new startindex and endindex</title>
    <description>Feed for thread: How to plot signal with new startindex and endindex</description>
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      <pubDate>Fri, 28 Nov 2008 23:00:20 -0500</pubDate>
      <title>How to plot signal with new startindex and endindex</title>
      <link>http://www.mathworks.com/matlabcentral/newsreader/view_thread/240092#613793</link>
      <author>Neo </author>
      <description>for i=1:L&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;if energy(i)&amp;gt;z&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;startindex=i&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;end&lt;br&gt;
end&lt;br&gt;
&lt;br&gt;
energy2=energy(end:-1:1);&lt;br&gt;
for i=1:L&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;if energy2(i)&amp;gt;z&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;endi=i;&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;endindex=nframes-endi+1&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;end&lt;br&gt;
end&lt;br&gt;
&lt;br&gt;
Hi, I now have a new startindex and endindex of a Wav file, as I have removed the noise. How do I now plot this and play it?&lt;br&gt;
&lt;br&gt;
Thanks</description>
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