<?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>midic7</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="midic21.html" title="midic21" /> <link rel="next" href="midichannelaftertouch.html" title="midichannelaftertouch" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">midic7</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="midic21.html">Prev</a> </td> <th width="60%" align="center">Orchestra Opcodes and Operators</th> <td width="20%" align="right"> <a accesskey="n" href="midichannelaftertouch.html">Next</a></td> </tr> </table> <hr /> </div> <div class="refentry"> <a id="midic7"></a> <div class="titlepage"></div> <a id="IndexMidic7" class="indexterm"></a> <div class="refnamediv"> <h2> <span class="refentrytitle">midic7</span> </h2> <p>midic7 — Allows a floating-point 7-bit MIDI signal scaled with a minimum and a maximum range. </p> </div> <div class="refsect1"> <a id="idm281472915221704"></a> <h2>Description</h2> <p> Allows a floating-point 7-bit MIDI signal scaled with a minimum and a maximum range. </p> </div> <div class="refsect1"> <a id="idm281472915220408"></a> <h2>Syntax</h2> <pre class="synopsis">idest <span class="command"><strong>midic7</strong></span> ictlno, imin, imax [, ifn]</pre> <pre class="synopsis">kdest <span class="command"><strong>midic7</strong></span> ictlno, kmin, kmax [, ifn]</pre> </div> <div class="refsect1"> <a id="idm281472915176760"></a> <h2>Initialization</h2> <p> <span class="emphasis"><em>idest</em></span> -- output signal </p> <p> <span class="emphasis"><em>ictlno</em></span> -- MIDI controller number (0-127) </p> <p> <span class="emphasis"><em>imin</em></span> -- user-defined minimum floating-point value of output </p> <p> <span class="emphasis"><em>imax</em></span> -- user-defined maximum floating-point value of output </p> <p> <span class="emphasis"><em>ifn</em></span> (optional) -- table to be read when indexing is required. Table must be normalized. Output is scaled according to the <span class="emphasis"><em>imin</em></span> and <span class="emphasis"><em>imax</em></span> values. </p> </div> <div class="refsect1"> <a id="idm281472915170808"></a> <h2>Performance</h2> <p> <span class="emphasis"><em>kdest</em></span> -- output signal </p> <p> <span class="emphasis"><em>kmin</em></span> -- user-defined minimum floating-point value of output </p> <p> <span class="emphasis"><em>kmax</em></span> -- user-defined maximum floating-point value of output </p> <p> <span class="emphasis"><em>midic7</em></span> (i- and k-rate 7 bit MIDI control) allows a floating-point 7-bit MIDI signal scaled with a minimum and a maximum range. It also allows optional non-interpolated table indexing. In <span class="emphasis"><em>midic7</em></span> minimum and maximum values can be varied at k-rate. </p> <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"> <table border="0" summary="Note"> <tr> <td rowspan="2" align="center" valign="top" width="25"> <img alt="[Note]" src="images/note.png" /> </td> <th align="left">Note</th> </tr> <tr> <td align="left" valign="top"> <p>Please note that the <span class="emphasis"><em>midic</em></span> family of opcodes are designed for MIDI triggered events, and don't require a channel number since they will respond to the same channel as the one that triggered the instrument (see <a class="link" href="massign.html" title="massign"><em class="citetitle">massign</em></a>). However they will crash if called from a score driven event.</p> </td> </tr> </table> </div> </div> <div class="refsect1"> <a id="idm281472915163496"></a> <h2>Examples</h2> <p> Here is an example of the midic7 opcode. It uses the file <a class="ulink" href="examples/midic7.csd" target="_top"><em class="citetitle">midic7.csd</em></a> </p> <div class="example"> <a id="idm281472915161672"></a> <p class="title"> <strong>Example 536. Example of the midic7 opcode.</strong> </p> <div class="example-contents"> <div class="refsect1"> <a id="idm281472739358104"></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 -+rtmidi=virtual -M0 <span class="c1">;;;realtime audio out and realtime midi in </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 midic7.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> <span class="kd">instr</span> <span class="nf">1</span> <span class="c1">; This example expects MIDI controller input on channel 1</span> <span class="c1">; run, play a note and move your midi controller 7 to see result</span> i<span class="n">max</span> <span class="o">=</span> <span class="mi">1</span> i<span class="n">min</span> <span class="o">=</span> <span class="mi">0</span> i<span class="n">chan</span> <span class="o">=</span> <span class="mi">1</span> i<span class="n">ctlno</span><span class="o">=</span> <span class="mi">7</span> <span class="c1">; = midi volume</span> k<span class="n">amp</span> <span class="nb">midic7</span> i<span class="n">ctlno</span><span class="p">,</span> i<span class="n">min</span><span class="p">,</span> i<span class="n">max</span> <span class="nb">printk2</span> k<span class="n">amp</span> a<span class="n">sig</span> <span class="nb">oscili</span> k<span class="n">amp</span><span class="p">,</span> <span class="mi">220</span><span class="p">,</span> <span class="mi">1</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="c1">; no score events allowed</span> <span class="nb">f</span> <span class="mi">0</span> <span class="mi">20</span> <span class="c1">;20 sec. for real-time MIDI events</span> <span class="nb">f</span> <span class="mi">1</span> <span class="mi">0</span> <span class="mi">4096</span> <span class="mi">10</span> <span class="mi">1</span> <span class="c1">;sine wave</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="idm281472915159848"></a> <h2>See Also</h2> <p> <a class="link" href="ctrl7.html" title="ctrl7"><em class="citetitle">ctrl7</em></a>, <a class="link" href="ctrl14.html" title="ctrl14"><em class="citetitle">ctrl14</em></a>, <a class="link" href="ctrl21.html" title="ctrl21"><em class="citetitle">ctrl21</em></a>, <a class="link" href="initc7.html" title="initc7"><em class="citetitle">initc7</em></a>, <a class="link" href="initc14.html" title="initc14"><em class="citetitle">initc14</em></a>, <a class="link" href="initc21.html" title="initc21"><em class="citetitle">initc21</em></a>, <a class="link" href="midic14.html" title="midic14"><em class="citetitle">midic14</em></a>, <a class="link" href="midic21.html" title="midic21"><em class="citetitle">midic21</em></a> </p> </div> <div class="refsect1"> <a id="idm281472915151080"></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> </table> <p> </p> <p>New in Csound version 3.47</p> <p>Thanks goes to Rasmus Ekman for pointing out the correct controller number range.</p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="midic21.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="midichannelaftertouch.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">midic21 </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> midichannelaftertouch</td> </tr> </table> </div> </body> </html>