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+<html><head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+ <title>rceps</title>
+ <style type="text/css" media="all">
+ @import url("scilab_code.css");
+ @import url("xml_code.css");
+ @import url("c_code.css");
+ @import url("style.css");
+ </style>
+ </head>
+ <body>
+ <div class="manualnavbar">
+ <table width="100%"><tr>
+ <td width="30%">
+ <span class="previous"><a href="rc2poly.html">&lt;&lt; rc2poly</a></span>
+
+ </td>
+ <td width="40%" class="center">
+ <span class="top"><a href="section_cc2bc01c47967d47fcf3507a91d572ba.html">FOSSEE Signal Processing Toolbox</a></span>
+
+ </td>
+ <td width="30%" class="next">
+ <span class="next"><a href="rcosdesign.html">rcosdesign &gt;&gt;</a></span>
+
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+ </tr></table>
+ <hr />
+ </div>
+
+
+
+ <span class="path"><a href="index.html">FOSSEE Signal Processing Toolbox</a> &gt;&gt; <a href="section_cc2bc01c47967d47fcf3507a91d572ba.html">FOSSEE Signal Processing Toolbox</a> &gt; rceps</span>
+
+ <br /><br />
+ <div class="refnamediv"><h1 class="refname">rceps</h1>
+ <p class="refpurpose">Produce the cepstrum of the signal x, and if desired, the minimum phase reconstruction of the signal x.</p></div>
+
+
+<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3>
+ <div class="synopsis"><pre><span class="default">[</span><span class="default">y</span><span class="default">, </span><span class="default">xm</span><span class="default">] = </span><span class="functionid">rceps</span><span class="default">(</span><span class="default">x</span><span class="default">)</span></pre></div></div>
+
+<div class="refsection"><h3 class="title">Parameters</h3>
+ <dl><dt><span class="term">x:</span>
+ <dd><p class="para">real or complex vector input</p></dd></dt></dl></div>
+
+<div class="refsection"><h3 class="title">Examples</h3>
+ <div class="programlisting"><table border="0" width="100%"><tr><td width="98%"><pre class="scilabcode"><span class="scilabid">f0</span> <span class="scilaboperator">=</span> <span class="scilabnumber">70</span><span class="scilabdefault">;</span> <span class="scilabid">Fs</span> <span class="scilaboperator">=</span> <span class="scilabnumber">10000</span><span class="scilabdefault">;</span> <span class="scilabid">#</span> <span class="scilabnumber">100</span> <span class="scilabid">Hz</span> <span class="scilabid">fundamental</span><span class="scilabdefault">,</span> <span class="scilabnumber">10</span><span class="scilabid">kHz</span> <span class="scilabid">sampling</span> <span class="scilabid">rate</span>
+<span class="scilabid">a</span> <span class="scilaboperator">=</span> <a class="scilabcommand" href="scilab://poly">poly</a> <span class="scilabopenclose">(</span><span class="scilabnumber">0.985</span> <span class="scilaboperator">*</span> <a class="scilabcommand" href="scilab://exp">exp</a> <span class="scilabopenclose">(</span><span class="scilabnumber">1</span><span class="scilabid">i</span><span class="scilaboperator">*</span><span class="scilabid">pi</span><span class="scilaboperator">*</span><span class="scilabopenclose">[</span><span class="scilabnumber">0.1</span><span class="scilabdefault">,</span> <span class="scilaboperator">-</span><span class="scilabnumber">0.1</span><span class="scilabdefault">,</span> <span class="scilabnumber">0.3</span><span class="scilabdefault">,</span> <span class="scilaboperator">-</span><span class="scilabnumber">0.3</span><span class="scilabopenclose">]</span><span class="scilabopenclose">)</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span> <span class="scilabid">#</span> <span class="scilabid">two</span> <span class="scilabid">formants</span>
+<span class="scilabid">s</span> <span class="scilaboperator">=</span> <span class="scilabnumber">0.005</span> <span class="scilaboperator">*</span> <span class="scilabid">randn</span> <span class="scilabopenclose">(</span><span class="scilabnumber">1024</span><span class="scilabdefault">,</span> <span class="scilabnumber">1</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span> <span class="scilabid">#</span> <span class="scilabid">Noise</span> <span class="scilabid">excitation</span> <span class="scilabid">signal</span>
+<span class="scilabid">s</span><span class="scilabopenclose">(</span><span class="scilabnumber">1</span><span class="scilabspecial">:</span><span class="scilabid">Fs</span><span class="scilaboperator">/</span><span class="scilabid">f0</span><span class="scilabspecial">:</span><a class="scilabcommand" href="scilab://length">length</a><span class="scilabopenclose">(</span><span class="scilabid">s</span><span class="scilabopenclose">)</span><span class="scilabopenclose">)</span> <span class="scilaboperator">=</span> <span class="scilabnumber">1</span><span class="scilabdefault">;</span> <span class="scilabid">#</span> <span class="scilabid">Impulse</span> <span class="scilabid">glottal</span> <span class="scilabid">wave</span>
+<span class="scilabid">x</span> <span class="scilaboperator">=</span> <a class="scilabmacro" href="scilab://filter">filter</a> <span class="scilabopenclose">(</span><span class="scilabnumber">1</span><span class="scilabdefault">,</span> <span class="scilabid">a</span><span class="scilabdefault">,</span> <span class="scilabid">s</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span> <span class="scilabid">#</span> <span class="scilabid">Speech</span> <span class="scilabid">signal</span> <span class="scilabid">in</span> <span class="scilabid">x</span>
+<span class="scilabopenclose">[</span><span class="scilabid">y</span><span class="scilabdefault">,</span> <span class="scilabid">xm</span><span class="scilabopenclose">]</span> <span class="scilaboperator">=</span> <span class="scilabid">rceps</span> <span class="scilabopenclose">(</span><span class="scilabid">x</span> <span class="scilaboperator">.*</span> <span class="scilabid">hanning</span> <span class="scilabopenclose">(</span><span class="scilabnumber">1024</span><span class="scilabopenclose">)</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span> <span class="scilabid">#</span> <a class="scilabmacro" href="scilab://cepstrum">cepstrum</a> <span class="scilabstring">and</span> <span class="scilabstring">min</span> <span class="scilabstring">phase</span> <span class="scilabstring">reconstruction</span></pre></td><td valign="top"><a href="scilab://scilab.execexample/"><img src="ScilabExecute.png" border="0"/></a></td><td valign="top"><a href="scilab://scilab.editexample/"><img src="ScilabEdit.png" border="0"/></a></td><td></td></tr></table></div></div>
+ <br />
+
+ <div class="manualnavbar">
+ <table width="100%">
+ <tr><td colspan="3" class="next"><a href="http://bugzilla.scilab.org/enter_bug.cgi?product=Scilab%20software&component=Documentation%20pages" class="ulink">Report an issue</a></td></tr>
+<tr>
+ <td width="30%">
+ <span class="previous"><a href="rc2poly.html">&lt;&lt; rc2poly</a></span>
+
+ </td>
+ <td width="40%" class="center">
+ <span class="top"><a href="section_cc2bc01c47967d47fcf3507a91d572ba.html">FOSSEE Signal Processing Toolbox</a></span>
+
+ </td>
+ <td width="30%" class="next">
+ <span class="next"><a href="rcosdesign.html">rcosdesign &gt;&gt;</a></span>
+
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