<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>pvsdisp</title> <link rel="stylesheet" type="text/css" href="csound.css" /> <meta name="generator" content="DocBook XSL Stylesheets V1.76.1" /> <link rel="home" href="index.html" title="The Canonical Csound Reference Manual" /> <link rel="up" href="OpcodesTop.html" title="Orchestra Opcodes and Operators" /> <link rel="prev" href="pvsdiskin.html" title="pvsdiskin" /> <link rel="next" href="pvsfilter.html" title="pvsfilter" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">pvsdisp</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="pvsdiskin.html">Prev</a> </td> <th width="60%" align="center">Orchestra Opcodes and Operators</th> <td width="20%" align="right"> <a accesskey="n" href="pvsfilter.html">Next</a></td> </tr> </table> <hr /> </div> <div class="refentry" title="pvsdisp"> <a id="pvsdisp"></a> <div class="titlepage"></div> <a id="Indexpvsdisp" class="indexterm"></a> <div class="refnamediv"> <h2> <span class="refentrytitle">pvsdisp</span> </h2> <p>pvsdisp — Displays a PVS signal as an amplitude vs. freq graph. </p> </div> <div class="refsect1" title="Description"> <a id="idp38642072"></a> <h2>Description</h2> <p> This opcode will display a PVS signal fsig. Uses X11 or FLTK windows if enabled, else (or if <a class="link" href="CommandFlags.html#FlagsMinusLowerG"><em class="citetitle">-g</em></a> flag is set) displays are approximated in ASCII characters. </p> </div> <div class="refsect1" title="Syntax"> <a id="idp38643496"></a> <h2>Syntax</h2> <pre class="synopsis"><span class="command"><strong>pvsdisp</strong></span> fsig[, ibins, iwtflg] </pre> </div> <div class="refsect1" title="Initialization"> <a id="idp38644536"></a> <h2>Initialization</h2> <p> <span class="emphasis"><em>iprd</em></span> -- the period of pvsdisp in seconds. </p> <p> <span class="emphasis"><em>ibins</em></span> (optional, default=all bins) -- optionally, display only ibins bins. </p> <p> <span class="emphasis"><em>iwtflg</em></span> (optional, default=0) -- wait flag. If non-zero, each pvsdisp is held until released by the user. The default value is 0 (no wait). </p> </div> <div class="refsect1" title="Performance"> <a id="idp38646728"></a> <h2>Performance</h2> <p> <span class="emphasis"><em>pvsdisp</em></span> -- displays the PVS signal frame-by-frame. </p> </div> <div class="refsect1" title="Examples"> <a id="idp38647648"></a> <h2>Examples</h2> <p> Here is an example of the pvsdisp opcode. It uses the file <a class="ulink" href="examples/pvsdisp.csd" target="_top"><em class="citetitle">pvsdisp.csd</em></a>. This example uses realtime input, but you can also use it for soundfile input. </p> <div class="example"> <a id="idp38648792"></a> <p class="title"> <strong>Example 651. Example of the pvsdisp opcode</strong> </p> <div class="example-contents"> <p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p> <pre class="programlisting"> <span class="csdtag"><CsoundSynthesizer></span> <span class="csdtag"><CsOptions></span> <span class="comment">; Select audio/midi flags here according to platform</span> <span class="comment">; Audio out Audio in</span> -odac -iadc <span class="comment">;;;RT audio I/O</span> <span class="comment">; For Non-realtime ouput leave only the line below:</span> <span class="comment">; -o pvsdisp.wav -W ;;; for file output any platform</span> <span class="csdtag"></CsOptions></span> <span class="csdtag"><CsInstruments></span> <span class="ohdr">sr</span> <span class="op">=</span> 44100 <span class="ohdr">kr</span> <span class="op">=</span> 4410 <span class="ohdr">ksmps</span> <span class="op">=</span> 10 <span class="ohdr">nchnls</span> <span class="op">=</span> 1 <span class="oblock">instr</span> 1 asig <span class="opc">inch</span> 1 <span class="comment">;a1 soundin "input.wav" ;select a soundifle</span> fsig <span class="opc">pvsanal</span> asig, 1024,256, 1024, 1 <span class="opc">pvsdisp</span> fsig <span class="oblock">endin</span> <span class="csdtag"></CsInstruments></span> <span class="csdtag"><CsScore></span> <span class="stamnt">i</span> 1 0 30 <span class="stamnt">e</span> <span class="csdtag"></CsScore></span> <span class="csdtag"></CsoundSynthesizer></span> </pre> </div> </div> <p><br class="example-break" /> </p> </div> <div class="refsect1" title="See Also"> <a id="idp38651032"></a> <h2>See Also</h2> <p> <a class="link" href="pvsanal.html" title="pvsanal"><em class="citetitle">pvsanal</em></a>, <a class="link" href="pvsynth.html" title="pvsynth"><em class="citetitle">pvsynth</em></a>, <a class="link" href="dispfft.html" title="dispfft"><em class="citetitle">dispfft</em></a>, <a class="link" href="print.html" title="print"><em class="citetitle">print</em></a>, <a class="link" href="pvsadsyn.html" title="pvsadsyn"><em class="citetitle">pvsadsyn</em></a> </p> </div> <div class="refsect1" title="Credits"> <a id="idp38654032"></a> <h2>Credits</h2> <p> Author: Victor Lazzarini, 2006 </p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="pvsdiskin.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="OpcodesTop.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="pvsfilter.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">pvsdiskin </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> pvsfilter</td> </tr> </table> </div> </body> </html>