<?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>vlinseg</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="vlimit.html" title="vlimit" />
<link rel="next" href="vlowres.html" title="vlowres" />
</head>
<body>
<div class="navheader">
<table width="100%" summary="Navigation header">
<tr>
<th colspan="3" align="center">vlinseg</th>
</tr>
<tr>
<td width="20%" align="left"><a accesskey="p" href="vlimit.html">Prev</a> </td>
<th width="60%" align="center">Orchestra Opcodes and Operators</th>
<td width="20%" align="right"> <a accesskey="n" href="vlowres.html">Next</a></td>
</tr>
</table>
<hr />
</div>
<div class="refentry" title="vlinseg">
<a id="vlinseg"></a>
<div class="titlepage"></div>
<a id="IndexVlinseg" class="indexterm"></a>
<div class="refnamediv">
<h2>
<span class="refentrytitle">vlinseg</span>
</h2>
<p>vlinseg —
Vectorial envelope generator
</p>
</div>
<div class="refsect1" title="Description">
<a id="idp52080696"></a>
<h2>Description</h2>
<p>
Generate linear vectorial segments
</p>
</div>
<div class="refsect1" title="Syntax">
<a id="idp52081344"></a>
<h2>Syntax</h2>
<pre class="synopsis"><span class="command"><strong>vlinseg</strong></span> ifnout, ielements, ifn1, idur1, ifn2 [, idur2, ifn3 [...]]</pre>
</div>
<div class="refsect1" title="Initialization">
<a id="idp52120704"></a>
<h2>Initialization</h2>
<p>
<span class="emphasis"><em>ifnout</em></span> - number of table hosting output vectorial signal
</p>
<p>
<span class="emphasis"><em>ifn1</em></span> - starting vector
</p>
<p>
<span class="emphasis"><em>ifn2,ifn3,etc.</em></span> - vector after <span class="emphasis"><em>idurx</em></span> seconds
</p>
<p>
<span class="emphasis"><em>idur1</em></span> - duration in seconds of first segment.
</p>
<p>
<span class="emphasis"><em>idur2, idur3, etc. </em></span> - duration in seconds of subsequent segments.
</p>
<p>
<span class="emphasis"><em>ielements</em></span> - number of elements of vectors.
</p>
</div>
<div class="refsect1" title="Performance">
<a id="idp52124040"></a>
<h2>Performance</h2>
<p>
These opcodes are similar to <span class="emphasis"><em>linseg</em></span> and <span class="emphasis"><em>expseg</em></span>, but operate with vectorial signals instead of with scalar signals.
</p>
<p>
Output is a vectorial control signal hosted by <span class="emphasis"><em>ifnout</em></span> (that must be previously allocated), while each break-point of the envelope is actually a vector of values. All break-points must contain the same number of elements (<span class="emphasis"><em>ielements</em></span>).
</p>
<p>
All these operators are designed to be used together with other opcodes that operate with vectorial signals such as <span class="emphasis"><em>bmscan</em></span>, <span class="emphasis"><em>vcella</em></span>, <span class="emphasis"><em>adsynt</em></span>, <span class="emphasis"><em>adsynt2</em></span>, etc.
</p>
</div>
<div class="refsect1" title="Example">
<a id="idp52127224"></a>
<h2>Example</h2>
<p>
Here is an example of the vlinseg opcode. It uses the files <a class="ulink" href="examples/vlinseg.csd" target="_top"><em class="citetitle">vlinseg.csd</em></a>.
</p>
<div class="example">
<a id="idp52128200"></a>
<p class="title">
<strong>Example 954. Example of the vlinseg opcode.</strong>
</p>
<div class="example-contents">
<pre class="programlisting">
<span class="csdtag"><CsoundSynthesizer></span>
<span class="csdtag"><CsOptions></span>
-odac -B441 -b441
<span class="csdtag"></CsOptions></span>
<span class="csdtag"><CsInstruments></span>
<span class="ohdr">sr</span><span class="op">=</span>44100
<span class="ohdr">ksmps</span><span class="op">=</span>10
<span class="ohdr">nchnls</span><span class="op">=</span>2
gilen <span class="opc">init</span> 32
gitable1 <span class="ohdr">ftgen</span> 0, 0, gilen, 10, 1
gitable2 <span class="ohdr">ftgen</span> 0, 0, gilen, 10, 1
gitable3 <span class="ohdr">ftgen</span> 0, 0, gilen, <span class="op">-</span>7, 30, gilen, 35
gitable4 <span class="ohdr">ftgen</span> 0, 0, gilen, <span class="op">-</span>7, 400, gilen, 450
gitable5 <span class="ohdr">ftgen</span> 0, 0, gilen, <span class="op">-</span>7, 5000, gilen, 5500
<span class="oblock">instr</span> 1
<span class="opc">vcopy</span> gitable2, gitable1, gilen
<span class="opc">turnoff</span>
<span class="oblock">endin</span>
<span class="oblock">instr</span> 2
<span class="opc">vlinseg</span> gitable2, 16, gitable3, 2, gitable4, 2, gitable5
<span class="oblock">endin</span>
<span class="oblock">instr</span> 3
kcount <span class="opc">init</span> 0
<span class="octrl">if</span> kcount <span class="op"><</span> 16 then
kval <span class="opc">table</span> kcount, gitable2
<span class="opc">printk</span> 0,kval
kcount <span class="op">=</span> kcount <span class="op">+</span>1
<span class="octrl">else</span>
<span class="opc">turnoff</span>
<span class="octrl">endif</span>
<span class="oblock">endin</span>
<span class="csdtag"></CsInstruments></span>
<span class="csdtag"><CsScore></span>
<span class="stamnt">i</span>1 0 1
<span class="stamnt">s</span>
<span class="stamnt">i</span>2 0 10
<span class="stamnt">i</span>3 0 1
<span class="stamnt">i</span>3 1 1
<span class="stamnt">i</span>3 1.5 1
<span class="stamnt">i</span>3 2 1
<span class="stamnt">i</span>3 2.5 1
<span class="stamnt">i</span>3 3 1
<span class="stamnt">i</span>3 3.5 1
<span class="stamnt">i</span>3 4 1
<span class="stamnt">i</span>3 4.5 1
<span class="csdtag"></CsScore></span>
<span class="csdtag"></CsoundSynthesizer></span>
</pre>
</div>
</div>
<p><br class="example-break" />
</p>
</div>
<div class="refsect1" title="Credits">
<a id="idp52129216"></a>
<h2>Credits</h2>
<p>Written by Gabriel Maldonado.</p>
<p>Example by Andres Cabrera.</p>
<p>New in Csound 5 (Previously available only on CsoundAV)</p>
</div>
</div>
<div class="navfooter">
<hr />
<table width="100%" summary="Navigation footer">
<tr>
<td width="40%" align="left"><a accesskey="p" href="vlimit.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="vlowres.html">Next</a></td>
</tr>
<tr>
<td width="40%" align="left" valign="top">vlimit </td>
<td width="20%" align="center">
<a accesskey="h" href="index.html">Home</a>
</td>
<td width="40%" align="right" valign="top"> vlowres</td>
</tr>
</table>
</div>
</body>
</html>
distrib
>
Mageia
>
5
>
x86_64
>
media
>
core-release
>
by-pkgid
>
b707d9a4ee443103660a75ccb6e51334
>
files
>
2844
