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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"><html><head> <title>Description of restHandle</title> <meta name="keywords" content="restHandle"> <meta name="description" content="restHandle: Rest handling for melody recognition"> <meta http-equiv="Content-Type" content="text/html; charset=big5"> <meta name="generator" content="m2html © 2003 Guillaume Flandin"> <meta name="robots" content="index, follow"> <link type="text/css" rel="stylesheet" href="../m2html.css"></head><body><a name="_top"></a><div><a href="../index.html">Home</a> > <a href="index.html">melodyRecognition</a> > restHandle.m</div><!--<table width="100%"><tr><td align="left"><a href="../index.html"><img alt="<" border="0" src="../left.png"> Master index</a></td><td align="right"><a href="index.html">Index for melodyRecognition <img alt=">" border="0" src="../right.png"></a></td></tr></table>--><h1>restHandle</h1><h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2><div class="box"><strong>restHandle: Rest handling for melody recognition</strong></div><h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2><div class="box"><strong>function outputPv=restHandle(inputPv, useRest) </strong></div><h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2><div class="fragment"><pre class="comment"> restHandle: Rest handling for melody recognition
Usage: outputPv=restHandle(inputPv, useRest)
inputPv: input PV (pitch vector)
useRest: 0 ===> remove rests, 1 ===> replace a rest by its previous non-rest pitch</pre></div><!-- crossreference --><h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>This function calls:<ul style="list-style-image:url(../matlabicon.gif)"></ul>This function is called by:<ul style="list-style-image:url(../matlabicon.gif)"></ul><!-- crossreference --><h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2><div class="fragment"><pre>0001 <a name="_sub0" href="#_subfunctions" class="code">function outputPv=restHandle(inputPv, useRest)</a>0002 <span class="comment">% restHandle: Rest handling for melody recognition</span>0003 <span class="comment">% Usage: outputPv=restHandle(inputPv, useRest)</span>0004 <span class="comment">% inputPv: input PV (pitch vector)</span>0005 <span class="comment">% useRest: 0 ===> remove rests, 1 ===> replace a rest by its previous non-rest pitch</span>0006 0007 <span class="comment">% Roger Jang, 20040613</span>0008 0009 outputPv=inputPv;0010 0011 <span class="comment">% ====== Cut out leading/trailing rests</span>0012 <span class="keyword">while</span> outputPv(1)==0; outputPv(1)=[]; <span class="keyword">end</span>0013 <span class="keyword">while</span> outputPv(end)==0; outputPv(end)=[]; <span class="keyword">end</span>0014 0015 <span class="comment">% ====== Handle in-between rests</span>0016 <span class="keyword">if</span> ~useRest0017 outputPv(outputPv==0)=[]; <span class="comment">% ??∮??????s?I</span>0018 <span class="keyword">else</span>0019 <span class="keyword">for</span> j=2:length(outputPv) <span class="comment">% ?I???s?I?A?????e?@????</span>0020 <span class="keyword">if</span> outputPv(j-1)~=0 & outputPv(j)==00021 outputPv(j)=outputPv(j-1);0022 <span class="keyword">end</span>0023 <span class="keyword">end</span>0024 <span class="keyword">end</span></pre></div><hr><address>Generated on Thu 30-Oct-2008 12:52:18 by <strong><a href="http://www.artefact.tk/software/matlab/m2html/">m2html</a></strong> © 2003</address></body></html>⌨️ 快捷键说明
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