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148 lines
8.4 KiB
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<HTML>
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<TITLE>The Synthesis ToolKit in C++ (STK)</TITLE>
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<a class="qindex" href="index.html">Home</a> <a class="qindex" href="information.html">Information</a> <a class="qindex" href="classes.html">Classes</a> <a class="qindex" href="download.html">Download</a> <a class="qindex" href="usage.html">Usage</a> <a class="qindex" href="maillist.html">Mail List</a> <a class="qindex" href="system.html">Requirements</a> <a class="qindex" href="links.html">Links</a> <a class="qindex" href="faq.html">FAQ</a> <a class="qindex" href="tutorial.html">Tutorial</a></CENTER>
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<!-- Generated by Doxygen 1.5.8 -->
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<div class="navpath"><a class="el" href="namespacestk.html">stk</a>::<a class="el" href="classstk_1_1Noise.html">Noise</a>
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<div class="contents">
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<h1>stk::Noise Class Reference</h1><!-- doxytag: class="stk::Noise" --><!-- doxytag: inherits="stk::Generator" -->STK noise generator.
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<a href="#_details">More...</a>
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<p>
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<code>#include <<a class="el" href="Noise_8h-source.html">Noise.h</a>></code>
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<p>
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<div class="dynheader">
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Inheritance diagram for stk::Noise:</div>
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<div class="dynsection">
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<p><center><img src="classstk_1_1Noise.png" usemap="#stk::Noise_map" border="0" alt=""></center>
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<map name="stk::Noise_map">
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<area href="classstk_1_1Generator.html" alt="stk::Generator" shape="rect" coords="0,56,90,80">
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<area href="classstk_1_1Stk.html" alt="stk::Stk" shape="rect" coords="0,0,90,24">
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</map>
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</div>
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<p>
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<a href="classstk_1_1Noise-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
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<tr><td></td></tr>
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<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1Noise.html#2d442a08883be25f10952dff4e515f98">Noise</a> (unsigned int seed=0)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Default constructor that can also take a specific seed value. <a href="#2d442a08883be25f10952dff4e515f98"></a><br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1Noise.html#9507ae6eb261c577a64b4ecb5c1805dc">setSeed</a> (unsigned int seed=0)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Seed the random number generator with a specific seed value. <a href="#9507ae6eb261c577a64b4ecb5c1805dc"></a><br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1d6c8ed80425cd0cea014bd2e328c823"></a><!-- doxytag: member="stk::Noise::lastOut" ref="1d6c8ed80425cd0cea014bd2e328c823" args="(void) const " -->
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StkFloat </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1Noise.html#1d6c8ed80425cd0cea014bd2e328c823">lastOut</a> (void) const </td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the last computed output value. <br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8ac40f69475eb744e803d557e8438a6d"></a><!-- doxytag: member="stk::Noise::tick" ref="8ac40f69475eb744e803d557e8438a6d" args="(void)" -->
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StkFloat </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1Noise.html#8ac40f69475eb744e803d557e8438a6d">tick</a> (void)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Compute and return one output sample. <br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classstk_1_1StkFrames.html">StkFrames</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1Noise.html#2f92e91787dc19309305cf246632cd50">tick</a> (<a class="el" href="classstk_1_1StkFrames.html">StkFrames</a> &frames, unsigned int channel=0)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Fill a channel of the <a class="el" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a> object with computed outputs. <a href="#2f92e91787dc19309305cf246632cd50"></a><br></td></tr>
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</table>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
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STK noise generator.
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<p>
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Generic random number generation using the C rand() function. The quality of the rand() function varies from one OS to another.<p>
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by Perry R. Cook and Gary P. Scavone, 1995 - 2009. <hr><h2>Constructor & Destructor Documentation</h2>
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<a class="anchor" name="2d442a08883be25f10952dff4e515f98"></a><!-- doxytag: member="stk::Noise::Noise" ref="2d442a08883be25f10952dff4e515f98" args="(unsigned int seed=0)" -->
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<td class="memname">stk::Noise::Noise </td>
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<td>(</td>
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<td class="paramtype">unsigned int </td>
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<td class="paramname"> <em>seed</em> = <code>0</code> </td>
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<td> ) </td>
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<td></td>
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</tr>
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</table>
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<div class="memdoc">
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<p>
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Default constructor that can also take a specific seed value.
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<p>
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If the seed value is zero (the default value), the random number generator is seeded with the system time.
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</div>
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</div><p>
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<hr><h2>Member Function Documentation</h2>
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<a class="anchor" name="9507ae6eb261c577a64b4ecb5c1805dc"></a><!-- doxytag: member="stk::Noise::setSeed" ref="9507ae6eb261c577a64b4ecb5c1805dc" args="(unsigned int seed=0)" -->
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<table class="memname">
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<td class="memname">void stk::Noise::setSeed </td>
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<td>(</td>
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<td class="paramtype">unsigned int </td>
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<td class="paramname"> <em>seed</em> = <code>0</code> </td>
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<td> ) </td>
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<td></td>
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</tr>
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</table>
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<div class="memdoc">
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<p>
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Seed the random number generator with a specific seed value.
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<p>
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If no seed is provided or the seed value is zero, the random number generator is seeded with the current system time.
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</div>
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</div><p>
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<a class="anchor" name="2f92e91787dc19309305cf246632cd50"></a><!-- doxytag: member="stk::Noise::tick" ref="2f92e91787dc19309305cf246632cd50" args="(StkFrames &frames, unsigned int channel=0)" -->
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<td class="memname"><a class="el" href="classstk_1_1StkFrames.html">StkFrames</a> & stk::Noise::tick </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="classstk_1_1StkFrames.html">StkFrames</a> & </td>
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<td class="paramname"> <em>frames</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">unsigned int </td>
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<td class="paramname"> <em>channel</em> = <code>0</code></td><td> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td><td><code> [inline, virtual]</code></td>
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</tr>
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</table>
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</div>
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<div class="memdoc">
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<p>
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Fill a channel of the <a class="el" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a> object with computed outputs.
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<p>
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The <code>channel</code> argument must be less than the number of channels in the <a class="el" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a> argument (the first channel is specified by 0). However, range checking is only performed if _STK_DEBUG_ is defined during compilation, in which case an out-of-range value will trigger an <a class="el" href="classstk_1_1StkError.html" title="STK error handling class.">StkError</a> exception.
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<p>Implements <a class="el" href="classstk_1_1Generator.html#86bb0421223cf27e25704d5f27b97425">stk::Generator</a>.</p>
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</div>
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</div><p>
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<hr>The documentation for this class was generated from the following file:<ul>
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<li><a class="el" href="Noise_8h-source.html">Noise.h</a></ul>
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</div>
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<HR>
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<table>
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<tr><td><A HREF="http://ccrma.stanford.edu/software/stk/"><I>The Synthesis ToolKit in C++ (STK)</I></A></td></tr>
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<tr><td>©1995-2009 Perry R. Cook and Gary P. Scavone. All Rights Reserved.</td></tr>
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</table>
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