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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_1StifKarp.html">StifKarp</a>
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<h1>stk::StifKarp Class Reference</h1><!-- doxytag: class="stk::StifKarp" --><!-- doxytag: inherits="stk::Instrmnt" -->STK plucked stiff string instrument.
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<a href="#_details">More...</a>
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<code>#include <<a class="el" href="StifKarp_8h-source.html">StifKarp.h</a>></code>
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<div class="dynheader">
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Inheritance diagram for stk::StifKarp:</div>
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<div class="dynsection">
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<p><center><img src="classstk_1_1StifKarp.png" usemap="#stk::StifKarp_map" border="0" alt=""></center>
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<map name="stk::StifKarp_map">
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<area href="classstk_1_1Instrmnt.html" alt="stk::Instrmnt" shape="rect" coords="0,56,78,80">
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<area href="classstk_1_1Stk.html" alt="stk::Stk" shape="rect" coords="0,0,78,24">
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</map>
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</div>
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<p>
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<a href="classstk_1_1StifKarp-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"><a class="anchor" name="946fb588b5b18b12ea2dca221150da66"></a><!-- doxytag: member="stk::StifKarp::StifKarp" ref="946fb588b5b18b12ea2dca221150da66" args="(StkFloat lowestFrequency)" -->
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</td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1StifKarp.html#946fb588b5b18b12ea2dca221150da66">StifKarp</a> (StkFloat lowestFrequency)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Class constructor, taking the lowest desired playing frequency. <br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="37bc5b0bb4fe385eda862622f675bee1"></a><!-- doxytag: member="stk::StifKarp::~StifKarp" ref="37bc5b0bb4fe385eda862622f675bee1" args="(void)" -->
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</td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1StifKarp.html#37bc5b0bb4fe385eda862622f675bee1">~StifKarp</a> (void)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Class destructor. <br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d1015fa6d2ac1835d8be7dec0df12f6f"></a><!-- doxytag: member="stk::StifKarp::clear" ref="d1015fa6d2ac1835d8be7dec0df12f6f" args="(void)" -->
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1StifKarp.html#d1015fa6d2ac1835d8be7dec0df12f6f">clear</a> (void)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Reset and clear all internal state. <br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="51371b8592fc01aba1993ac304962f6e"></a><!-- doxytag: member="stk::StifKarp::setFrequency" ref="51371b8592fc01aba1993ac304962f6e" args="(StkFloat frequency)" -->
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1StifKarp.html#51371b8592fc01aba1993ac304962f6e">setFrequency</a> (StkFloat frequency)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Set instrument parameters for a particular frequency. <br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="21a9b7407c9d6a0b2ba34c0e41bb0b57"></a><!-- doxytag: member="stk::StifKarp::setStretch" ref="21a9b7407c9d6a0b2ba34c0e41bb0b57" args="(StkFloat stretch)" -->
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1StifKarp.html#21a9b7407c9d6a0b2ba34c0e41bb0b57">setStretch</a> (StkFloat stretch)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the stretch "factor" of the string (0.0 - 1.0). <br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="55ca9e1f3c205e4fb51e6d4a7393db70"></a><!-- doxytag: member="stk::StifKarp::setPickupPosition" ref="55ca9e1f3c205e4fb51e6d4a7393db70" args="(StkFloat position)" -->
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1StifKarp.html#55ca9e1f3c205e4fb51e6d4a7393db70">setPickupPosition</a> (StkFloat position)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the pluck or "excitation" position along the string (0.0 - 1.0). <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_1StifKarp.html#d1b5de5acf487271d99903cd43e891ce">setBaseLoopGain</a> (StkFloat aGain)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the base loop gain. <a href="#d1b5de5acf487271d99903cd43e891ce"></a><br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="016ff5971a1b51ea472f7e7fa2d677ee"></a><!-- doxytag: member="stk::StifKarp::pluck" ref="016ff5971a1b51ea472f7e7fa2d677ee" args="(StkFloat amplitude)" -->
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1StifKarp.html#016ff5971a1b51ea472f7e7fa2d677ee">pluck</a> (StkFloat amplitude)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Pluck the string with the given amplitude using the current frequency. <br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e2831958f1dd782ccf34c4068c2b7f14"></a><!-- doxytag: member="stk::StifKarp::noteOn" ref="e2831958f1dd782ccf34c4068c2b7f14" args="(StkFloat frequency, StkFloat amplitude)" -->
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1StifKarp.html#e2831958f1dd782ccf34c4068c2b7f14">noteOn</a> (StkFloat frequency, StkFloat amplitude)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Start a note with the given frequency and amplitude. <br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1806fb5c05fa5abdcd3ddb4c97d8ea78"></a><!-- doxytag: member="stk::StifKarp::noteOff" ref="1806fb5c05fa5abdcd3ddb4c97d8ea78" args="(StkFloat amplitude)" -->
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1StifKarp.html#1806fb5c05fa5abdcd3ddb4c97d8ea78">noteOff</a> (StkFloat amplitude)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Stop a note with the given amplitude (speed of decay). <br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="27e76ba187140ae575c1bd2e1ba99b03"></a><!-- doxytag: member="stk::StifKarp::controlChange" ref="27e76ba187140ae575c1bd2e1ba99b03" args="(int number, StkFloat value)" -->
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1StifKarp.html#27e76ba187140ae575c1bd2e1ba99b03">controlChange</a> (int number, StkFloat value)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Perform the control change specified by <em>number</em> and <em>value</em> (0.0 - 128.0). <br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5cd896c59ee01fa8e21346ebe54365fc"></a><!-- doxytag: member="stk::StifKarp::tick" ref="5cd896c59ee01fa8e21346ebe54365fc" args="(unsigned int channel=0)" -->
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StkFloat </td><td class="memItemRight" valign="bottom"><a class="el" href="classstk_1_1StifKarp.html#5cd896c59ee01fa8e21346ebe54365fc">tick</a> (unsigned int channel=0)</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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</table>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
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STK plucked stiff string instrument.
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<p>
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This class implements a simple plucked string algorithm (Karplus Strong) with enhancements (Jaffe-Smith, Smith, and others), including string stiffness and pluck position controls. The stiffness is modeled with allpass filters.<p>
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This is a digital waveguide model, making its use possibly subject to patents held by Stanford University, Yamaha, and others.<p>
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Control Change Numbers:<ul>
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<li>Pickup Position = 4</li><li>String Sustain = 11</li><li>String Stretch = 1</li></ul>
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<p>
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by Perry R. Cook and Gary P. Scavone, 1995 - 2009. <hr><h2>Member Function Documentation</h2>
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<a class="anchor" name="d1b5de5acf487271d99903cd43e891ce"></a><!-- doxytag: member="stk::StifKarp::setBaseLoopGain" ref="d1b5de5acf487271d99903cd43e891ce" args="(StkFloat aGain)" -->
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<table class="memname">
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<tr>
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<td class="memname">void stk::StifKarp::setBaseLoopGain </td>
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<td>(</td>
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<td class="paramtype">StkFloat </td>
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<td class="paramname"> <em>aGain</em> </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>
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<div class="memdoc">
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<p>
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Set the base loop gain.
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<p>
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The actual loop gain is set according to the frequency. Because of high-frequency loop filter roll-off, higher frequency settings have greater loop gains.
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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="StifKarp_8h-source.html">StifKarp.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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