/Resources/html/trlowest.html

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  28.     <div class="refentry" title="trlowest">
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  29.       <a id="trlowest"></a>
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  30.       <div class="titlepage"></div>
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  31.       <a id="Indextrlowest" class="indexterm"></a>
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  32.       <div class="refnamediv">
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  33.         <h2>
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  34.           <span class="refentrytitle">trlowest</span>
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  35.         </h2>
    36. 

  36.         <p>trlowest — 
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  37.    Extracts the lowest-frequency track from a streaming track input signal. 
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  38.       
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  39.     </p>
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  40.       </div>
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  41.       <div class="refsect1" title="Description">
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  42.         <a id="id3655856"></a>
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  43.         <h2>Description</h2>
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  44.         <p>
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  45.   The trlowest opcode takes an input containg TRACKS pv streaming signals (as generated,
    46. 

  46.   for instance by partials) and outputs only the lowest track. In addition it outputs
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  47.   two k-rate signals, corresponding to the frequency and amplitude of the lowest track
    48. 

  48.   signal.
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  49. 	</p>
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  50.       </div>
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  51.       <div class="refsect1" title="Syntax">
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  52.         <a id="id3655870"></a>
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  53.         <h2>Syntax</h2>
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  54.         <pre class="synopsis">fsig, kfr,kamp <span class="command"><strong>trlowest</strong></span> fin1, kscal</pre>
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  55.       </div>
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  56.       <div class="refsect1" title="Performance">
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  57.         <a id="id3656759"></a>
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  58.         <h2>Performance</h2>
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  59.         <p>
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  60.       <span class="emphasis"><em>fsig</em></span> -- output pv stream in TRACKS format 
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  61.     </p>
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  62.         <p>
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  63.       <span class="emphasis"><em>kfr</em></span> -- frequency (in Hz) of the lowest-frequency track 
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  64.     </p>
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  65.         <p>
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  66.       <span class="emphasis"><em>kamp</em></span> -- amplitude of the lowest-frequency track
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  67.     </p>
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  68.         <p>
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  69. 	
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  70. 	      <span class="emphasis"><em>fin</em></span> -- input pv stream in TRACKS format.
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  71.     </p>
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  72.         <p>
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  73.       <span class="emphasis"><em>kscal</em></span> -- amplitude scaling of output.
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  74.     </p>
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  75.       </div>
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  76.       <div class="refsect1" title="Examples">
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  77.         <a id="id3656802"></a>
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  78.         <h2>Examples</h2>
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  79.         <p>
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  80.       </p>
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  81.         <div class="example">
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  82.           <a id="id3656810"></a>
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  83.           <p class="title">
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  84.             <b>Example 540. Example</b>
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  85.           </p>
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  86.           <div class="example-contents">
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  87.             <pre class="programlisting">
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  88. ain inch 1                  ; input signal
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  89. fs1,fsi2 pvsifd ain,2048,512,1 ; ifd analysis
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  90. fst  partials fs1,fsi2,.003,1,3,500  ; partial tracking
    91. 

  91. flow,kfr,kamp trlowest fst,1 ; lowest freq-track 
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  92.       aout  tradsyn flow, 1, 1, 1, 1 ; resynthesis of lowest frequency
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  93. out aout
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  94.         </pre>
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  97.         <p><br class="example-break" />
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  100.     </p>
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  101.         <p>
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  102. The example above shows partial tracking of an ifd-analysis signal, extraction of
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  103. the lowest frequency and resynthesis. 
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  104.    
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  105.     </p>
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  106.       </div>
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  107.       <div class="refsect1" title="Credits">
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  108.         <a id="id3656835"></a>
    109. 

  109.         <h2>Credits</h2>
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  110.         <p>
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  111.       </p>
    112. 

  112.         <table border="0" summary="Simple list" class="simplelist">
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  113.           <tr>
    114. 

  114.             <td>Author: Victor Lazzarini</td>
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  115.           </tr>
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  116.           <tr>
    117. 

  117.             <td>February 2006 </td>
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  118.           </tr>
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  121.     </p>
    122. 

  122.         <p>New in Csound5.01</p>
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