<?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>nrpn</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="nreverb.html" title="nreverb" /> <link rel="next" href="nsamp.html" title="nsamp" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">nrpn</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="nreverb.html">Prev</a> </td> <th width="60%" align="center">Orchestra Opcodes and Operators</th> <td width="20%" align="right"> <a accesskey="n" href="nsamp.html">Next</a></td> </tr> </table> <hr /> </div> <div class="refentry"> <a id="nrpn"></a> <div class="titlepage"></div> <a id="IndexNrpn" class="indexterm"></a> <div class="refnamediv"> <h2> <span class="refentrytitle">nrpn</span> </h2> <p>nrpn — Sends a Non-Registered Parameter Number to the MIDI OUT port. </p> </div> <div class="refsect1"> <a id="idm281472910539528"></a> <h2>Description</h2> <p> Sends a NPRN (Non-Registered Parameter Number) message to the MIDI OUT port each time one of the input arguments changes. </p> </div> <div class="refsect1"> <a id="idm281472910498136"></a> <h2>Syntax</h2> <pre class="synopsis"><span class="command"><strong>nrpn</strong></span> kchan, kparmnum, kparmvalue</pre> </div> <div class="refsect1"> <a id="idm281472910496248"></a> <h2>Performance</h2> <p> <span class="emphasis"><em>kchan</em></span> -- MIDI channel (1-16) </p> <p> <span class="emphasis"><em>kparmnum</em></span> -- number of NRPN parameter </p> <p> <span class="emphasis"><em>kparmvalue</em></span> -- value of NRPN parameter </p> <p> This opcode sends new message when the MIDI translated value of one of the input arguments changes. It operates at k-rate. Useful with the MIDI instruments that recognize NRPNs (for example with the newest sound-cards with internal MIDI synthesizer such as SB AWE32, AWE64, GUS etc. in which each patch parameter can be changed during the performance via NRPN) </p> </div> <div class="refsect1"> <a id="idm281472910492136"></a> <h2>Examples</h2> <p> Here is an example of the nrpn opcode. It uses the file <a class="ulink" href="examples/nrpn.csd" target="_top"><em class="citetitle">nrpn.csd</em></a>. </p> <div class="example"> <a id="idm281472910490360"></a> <p class="title"> <strong>Example 606. Example of the nrpn 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> <p>This example generates notes for every note received on the MIDI input. It generates MIDI notes on csound's MIDI output, so be sure to connect something.</p> <div class="refsect1"> <a id="idm281472734616888"></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 -Q1 <span class="c1">;;;realtime audio out with MIDI out</span> <span class="c1">;-iadc ;;;uncomment -iadc if realtime audio input is needed too</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> <span class="kd">instr</span> <span class="nf">1</span> <span class="c1">; change attack time of external synth</span> <span class="nb">initc7</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">6</span><span class="p">,</span> <span class="mi">0</span> <span class="c1">; set controller 6 to 0</span> <span class="nb">nrpn</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">99</span><span class="p">,</span> <span class="mi">1</span> <span class="c1">; set MSB</span> <span class="nb">nrpn</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">98</span><span class="p">,</span> <span class="mi">99</span> <span class="c1">; set LSB</span> k<span class="n">att</span> <span class="nb">ctrl7</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">6</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">127</span> <span class="c1">; DataEntMSB</span> i<span class="n">dur</span> <span class="o">=</span> <span class="mi">2</span> <span class="nb">noteondur2</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">60</span><span class="p">,</span> <span class="mi">100</span><span class="p">,</span> i<span class="n">dur</span> <span class="c1">; play note on synth</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">3</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="idm281472910485512"></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>1998</td> </tr> </table> <p> </p> <p>New in Csound version 3.492</p> <p>Thanks goes to Rasmus Ekman for pointing out the correct MIDI channel and controller number ranges.</p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="nreverb.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="nsamp.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">nreverb </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> nsamp</td> </tr> </table> </div> </body> </html>