<?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>invalue</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="interp.html" title="interp" /> <link rel="next" href="inx.html" title="inx" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">invalue</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="interp.html">Prev</a> </td> <th width="60%" align="center">Orchestra Opcodes and Operators</th> <td width="20%" align="right"> <a accesskey="n" href="inx.html">Next</a></td> </tr> </table> <hr /> </div> <div class="refentry" title="invalue"> <a id="invalue"></a> <div class="titlepage"></div> <a id="IndexInvalue" class="indexterm"></a> <div class="refnamediv"> <h2> <span class="refentrytitle">invalue</span> </h2> <p>invalue — Reads a k-rate signal from a user-defined channel. </p> </div> <div class="refsect1" title="Description"> <a id="idp27486360"></a> <h2>Description</h2> <p> Reads a k-rate signal or string from a user-defined channel. </p> </div> <div class="refsect1" title="Syntax"> <a id="idp27487032"></a> <h2>Syntax</h2> <pre class="synopsis">kvalue <span class="command"><strong>invalue</strong></span> "channel name"</pre> <pre class="synopsis">Sname <span class="command"><strong>invalue</strong></span> "channel name"</pre> </div> <div class="refsect1" title="Performance"> <a id="idp27474512"></a> <h2>Performance</h2> <p> <span class="emphasis"><em>kvalue</em></span> -- The k-rate value that is read from the channel. </p> <p> <span class="emphasis"><em> Sname </em></span> -- The string variable that is read from the channel. </p> <p> <span class="emphasis"><em>"channel name"</em></span> -- An integer, string (in double-quotes), or string variable identifying the channel. </p> </div> <div class="refsect1" title="Examples"> <a id="idp27522592"></a> <h2>Examples</h2> <p> Here is an example of the invalue opcode. It uses the file <a class="ulink" href="examples/invalue.csd" target="_top"><em class="citetitle">invalue.csd</em></a>. </p> <div class="example"> <a id="idp27523464"></a> <p class="title"> <strong>Example 378. Example of the invalue 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="csdtag"></CsOptions></span> <span class="csdtag"><CsInstruments></span> <span class="comment">;run this example in CsoundQt, a Csound editor that provides widgets</span> <span class="comment">;make the Widgets-panel visible, by clicking the Widgets symbol in the menu or pressing (Alt+1).</span> <span class="ohdr">sr</span> <span class="op">=</span> 44100 <span class="ohdr">ksmps</span> <span class="op">=</span> 32 <span class="ohdr">nchnls</span> <span class="op">=</span> 2 <span class="ohdr">0dbfs</span> <span class="op">=</span> 1 <span class="comment">; written by Andres Cabrera</span> <span class="oblock">instr</span> 1 kfreq <span class="opc">invalue</span> "freq" <span class="comment">; Quotes are needed here</span> asig <span class="opc">oscil</span> 0.1, kfreq, 1 <span class="opc">outs</span> asig, asig <span class="oblock">endin</span> <span class="csdtag"></CsInstruments></span> <span class="csdtag"><CsScore></span> <span class="stamnt">f</span> 1 0 1024 10 1 <span class="comment">;sine</span> <span class="stamnt">i</span> 1 0 300 <span class="comment">;play for 300 seconds</span> <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="idp27525744"></a> <h2>See Also</h2> <p> <a class="link" href="outvalue.html" title="outvalue"><em class="citetitle">outvalue</em></a> </p> </div> <div class="refsect1" title="Credits"> <a id="idp27526760"></a> <h2>Credits</h2> <p> </p> <table border="0" summary="Simple list" class="simplelist"> <tr> <td>Author: Matt Ingalls</td> </tr> </table> <p> </p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="interp.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="inx.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">interp </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> inx</td> </tr> </table> </div> </body> </html>