scription"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2>
<div class="fragment"><pre class="comment"> ddt(filename) Read data from a .ddt file

 [nch, npoints, freq, d] = ddt(filename)

 INPUT:
   filename - if empty string, will use File Open dialog

 OUTPUT:
   nch - number of channels
   npoints - number of data points for each channel
   freq - A/D frequency
   d - [nch npoints] data array</pre></div>

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