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<TITLE>The Synthesis ToolKit in C++ (STK)</TITLE>
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<!-- Generated by Doxygen 1.6.2 -->
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<div class="navpath"><a class="el" href="dir_ca1e4533604ab7cb0cdaaff730a9c38f.html">include</a>
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<h1>Sitar.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef STK_SITAR_H</span>
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<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define STK_SITAR_H</span>
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<a name="l00003"></a>00003 <span class="preprocessor"></span>
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<a name="l00004"></a>00004 <span class="preprocessor">#include "Instrmnt.h"</span>
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<a name="l00005"></a>00005 <span class="preprocessor">#include "DelayA.h"</span>
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<a name="l00006"></a>00006 <span class="preprocessor">#include "OneZero.h"</span>
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<a name="l00007"></a>00007 <span class="preprocessor">#include "Noise.h"</span>
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<a name="l00008"></a>00008 <span class="preprocessor">#include "ADSR.h"</span>
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<a name="l00009"></a>00009 <span class="preprocessor">#include <cmath></span>
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<a name="l00010"></a>00010
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<a name="l00011"></a>00011 <span class="keyword">namespace </span>stk {
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<a name="l00012"></a>00012
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<a name="l00013"></a>00013 <span class="comment">/***************************************************/</span>
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<a name="l00030"></a>00030 <span class="comment">/***************************************************/</span>
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<a name="l00031"></a>00031
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<a name="l00032"></a><a class="code" href="classstk_1_1Sitar.html">00032</a> <span class="keyword">class </span><a class="code" href="classstk_1_1Sitar.html" title="STK sitar string model class.">Sitar</a> : <span class="keyword">public</span> <a class="code" href="classstk_1_1Instrmnt.html" title="STK instrument abstract base class.">Instrmnt</a>
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<a name="l00033"></a>00033 {
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<a name="l00034"></a>00034 <span class="keyword">public</span>:
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<a name="l00036"></a>00036 <a class="code" href="classstk_1_1Sitar.html#aa645039b4c1609f979775f5ec7e8bd4b" title="Class constructor, taking the lowest desired playing frequency.">Sitar</a>( StkFloat lowestFrequency = 20 );
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<a name="l00037"></a>00037
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<a name="l00039"></a>00039 <a class="code" href="classstk_1_1Sitar.html#a4bb1d8cd5c1ffc331e6c97e28f6f3000" title="Class destructor.">~Sitar</a>( <span class="keywordtype">void</span> );
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<a name="l00040"></a>00040
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<a name="l00042"></a>00042 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Sitar.html#a52cc4d38204e6825e524228008a0e94c" title="Reset and clear all internal state.">clear</a>( <span class="keywordtype">void</span> );
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<a name="l00043"></a>00043
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<a name="l00045"></a>00045 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Sitar.html#a02acfe592d8d601a37fadb94aaedb074" title="Set instrument parameters for a particular frequency.">setFrequency</a>( StkFloat frequency );
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<a name="l00046"></a>00046
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<a name="l00048"></a>00048 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Sitar.html#afcbccba0e49bf538c190381785c90752" title="Pluck the string with the given amplitude using the current frequency.">pluck</a>( StkFloat amplitude );
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<a name="l00049"></a>00049
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<a name="l00051"></a>00051 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Sitar.html#a02fb8c574a4ea9acd4ae7f3f3636b3b3" title="Start a note with the given frequency and amplitude.">noteOn</a>( StkFloat frequency, StkFloat amplitude );
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<a name="l00052"></a>00052
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<a name="l00054"></a>00054 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Sitar.html#ae4acf7cf5f8319fa3420133c2802e9f6" title="Stop a note with the given amplitude (speed of decay).">noteOff</a>( StkFloat amplitude );
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<a name="l00055"></a>00055
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<a name="l00057"></a>00057 StkFloat <a class="code" href="classstk_1_1Sitar.html#a811c8d08d78cfbd5061396af7027043e" title="Compute and return one output sample.">tick</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel = 0 );
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<a name="l00058"></a>00058
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<a name="l00059"></a>00059 <span class="keyword">protected</span>:
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<a name="l00060"></a>00060
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<a name="l00061"></a>00061 <a class="code" href="classstk_1_1DelayA.html" title="STK allpass interpolating delay line class.">DelayA</a> delayLine_;
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<a name="l00062"></a>00062 <a class="code" href="classstk_1_1OneZero.html" title="STK one-zero filter class.">OneZero</a> loopFilter_;
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<a name="l00063"></a>00063 <a class="code" href="classstk_1_1Noise.html" title="STK noise generator.">Noise</a> noise_;
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<a name="l00064"></a>00064 <a class="code" href="classstk_1_1ADSR.html" title="STK ADSR envelope class.">ADSR</a> envelope_;
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<a name="l00065"></a>00065
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<a name="l00066"></a>00066 StkFloat loopGain_;
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<a name="l00067"></a>00067 StkFloat amGain_;
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<a name="l00068"></a>00068 StkFloat delay_;
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<a name="l00069"></a>00069 StkFloat targetDelay_;
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<a name="l00070"></a>00070
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<a name="l00071"></a>00071 };
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<a name="l00072"></a>00072
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<a name="l00073"></a><a class="code" href="classstk_1_1Sitar.html#a811c8d08d78cfbd5061396af7027043e">00073</a> <span class="keyword">inline</span> StkFloat <a class="code" href="classstk_1_1Sitar.html#a811c8d08d78cfbd5061396af7027043e" title="Compute and return one output sample.">Sitar :: tick</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> )
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<a name="l00074"></a>00074 {
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<a name="l00075"></a>00075 <span class="keywordflow">if</span> ( fabs(targetDelay_ - delay_) > 0.001 ) {
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<a name="l00076"></a>00076 <span class="keywordflow">if</span> ( targetDelay_ < delay_ )
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<a name="l00077"></a>00077 delay_ *= 0.99999;
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<a name="l00078"></a>00078 <span class="keywordflow">else</span>
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<a name="l00079"></a>00079 delay_ *= 1.00001;
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<a name="l00080"></a>00080 delayLine_.<a class="code" href="classstk_1_1DelayA.html#a83ddc9bdf2f5059159160fdac0e25eda" title="Set the delay-line length.">setDelay</a>( delay_ );
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<a name="l00081"></a>00081 }
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<a name="l00082"></a>00082
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<a name="l00083"></a>00083 lastFrame_[0] = delayLine_.<a class="code" href="classstk_1_1DelayA.html#ae602abe91560fb5f141db52333359b74" title="Input one sample to the filter and return one output.">tick</a>( loopFilter_.<a class="code" href="classstk_1_1OneZero.html#a9f52fa395257b15cb7351c6ccb2199da" title="Input one sample to the filter and return one output.">tick</a>( delayLine_.<a class="code" href="classstk_1_1DelayA.html#a4372d0e178af1cb6ca465affddfb1566" title="Return the last computed output value.">lastOut</a>() * loopGain_ ) +
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<a name="l00084"></a>00084 (amGain_ * envelope_.<a class="code" href="classstk_1_1ADSR.html#af2c0869f86210a55f4f668172373c975" title="Compute and return one output sample.">tick</a>() * noise_.<a class="code" href="classstk_1_1Noise.html#a8ac40f69475eb744e803d557e8438a6d" title="Compute and return one output sample.">tick</a>()));
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<a name="l00085"></a>00085
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<a name="l00086"></a>00086 <span class="keywordflow">return</span> lastFrame_[0];
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<a name="l00087"></a>00087 }
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<a name="l00088"></a>00088
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<a name="l00089"></a>00089 } <span class="comment">// stk namespace</span>
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<a name="l00090"></a>00090
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<a name="l00091"></a>00091 <span class="preprocessor">#endif</span>
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<a name="l00092"></a>00092 <span class="preprocessor"></span>
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</pre></div></div>
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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>©1995-2010 Perry R. Cook and Gary P. Scavone. All Rights Reserved.</td></tr>
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