<?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>product</title> <link rel="stylesheet" type="text/css" href="csound.css" /> <link rel="stylesheet" type="text/css" href="syntax-highlighting.css" /> <meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /> <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="prints.html" title="prints" /> <link rel="next" href="productarray.html" title="product" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">product</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="prints.html">Prev</a> </td> <th width="60%" align="center">Orchestra Opcodes and Operators</th> <td width="20%" align="right"> <a accesskey="n" href="productarray.html">Next</a></td> </tr> </table> <hr /> </div> <div class="refentry"> <a id="product"></a> <div class="titlepage"></div> <a id="IndexProduct" class="indexterm"></a> <div class="refnamediv"> <h2> <span class="refentrytitle">product</span> </h2> <p>product — Multiplies any number of a-rate signals. </p> </div> <div class="refsect1"> <a id="idm281472901660824"></a> <h2>Description</h2> <p> Multiplies any number of a-rate signals. </p> </div> <div class="refsect1"> <a id="idm281472901588024"></a> <h2>Syntax</h2> <pre class="synopsis">ares <span class="command"><strong>product</strong></span> asig1, asig2 [, asig3] [...]</pre> </div> <div class="refsect1"> <a id="idm281472901585832"></a> <h2>Performance</h2> <p> <span class="emphasis"><em>asig1, asig2, asig3, ...</em></span> -- a-rate signals to be multiplied. </p> </div> <div class="refsect1"> <a id="idm281472901584152"></a> <h2>Examples</h2> <p> Here is an example of the product opcode. It uses the file <a class="ulink" href="examples/product.csd" target="_top"><em class="citetitle">product.csd</em></a>. </p> <div class="example"> <a id="idm281472901582296"></a> <p class="title"> <strong>Example 723. Example of the product 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> <div class="refsect1"> <a id="idm281472722489512"></a> <pre class="programlisting"> <span class="nt"><CsoundSynthesizer></span> <span class="nt"><CsOptions></span> <span class="c1">; Select audio/midi flags here according to platform</span> -odac <span class="c1">;;;realtime audio out</span> <span class="c1">;-iadc ;;;uncomment -iadc if realtime audio input is needed too</span> <span class="c1">; For Non-realtime ouput leave only the line below:</span> <span class="c1">; -o product.wav -W ;;; for file output any platform</span> <span class="nt"></CsOptions></span> <span class="nt"><CsInstruments></span> <span class="vg">sr</span> <span class="o">=</span> <span class="mi">44100</span> <span class="vg">ksmps</span> <span class="o">=</span> <span class="mi">32</span> <span class="vg">nchnls</span> <span class="o">=</span> <span class="mi">2</span> <span class="vg">0dbfs</span> <span class="o">=</span> <span class="mi">1</span> gi<span class="n">sine</span> <span class="nb">ftgen</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">2</span><span class="o">^</span><span class="mi">10</span><span class="p">,</span> <span class="mi">10</span><span class="p">,</span> <span class="mi">1</span> <span class="kd">instr</span> <span class="nf">1</span> a<span class="n">1</span> <span class="nb">oscili</span> <span class="mi">1</span><span class="p">,</span> <span class="mf">10.0</span><span class="p">,</span> gi<span class="n">sine</span> <span class="c1">;combine 3 sinusses</span> a<span class="n">2</span> <span class="nb">oscili</span> <span class="mi">1</span><span class="p">,</span> <span class="mf">1.0</span><span class="p">,</span> gi<span class="n">sine</span> <span class="c1">;at different rates</span> a<span class="n">3</span> <span class="nb">oscili</span> <span class="mi">1</span><span class="p">,</span> <span class="mf">3.0</span><span class="p">,</span> gi<span class="n">sine</span> a<span class="n">res</span> <span class="nb">product</span> a<span class="n">1</span><span class="p">,</span> a<span class="n">2</span><span class="p">,</span> a<span class="n">3</span> a<span class="n">res</span> <span class="o">=</span> a<span class="n">res</span><span class="o">*</span><span class="mi">10000</span> <span class="c1">;scale result and</span> a<span class="n">sig</span> <span class="nb">poscil</span> <span class="mf">.5</span><span class="p">,</span> a<span class="n">res</span><span class="o">+</span><span class="mi">110</span><span class="p">,</span> gi<span class="n">sine</span> <span class="c1">;add to frequency </span> <span class="nb">outs</span> a<span class="n">sig</span><span class="p">,</span> a<span class="n">sig</span> <span class="kd">endin</span> <span class="nt"></CsInstruments></span> <span class="nt"><CsScore></span> <span class="nb">i</span><span class="mi">1</span> <span class="mi">0</span> <span class="mi">5</span> <span class="nb">e</span> <span class="nt"></CsScore></span> <span class="nt"></CsoundSynthesizer></span> </pre> </div> </div> </div> <p><br class="example-break" /> </p> </div> <div class="refsect1"> <a id="idm281472901578104"></a> <h2>Credits</h2> <p> </p> <table border="0" summary="Simple list" class="simplelist"> <tr> <td>Author: Gabriel Maldonado</td> </tr> <tr> <td>Italy</td> </tr> <tr> <td>April 1999</td> </tr> </table> <p> </p> <p>New in Csound version 3.54</p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="prints.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="productarray.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">prints </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> product</td> </tr> </table> </div> </body> </html>