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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>Arduino STK: StifKarp.h Source File</title>
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<div id="projectname">Arduino STK
 <span id="projectnumber">4.6.2</span>
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<div class="title">StifKarp.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef STK_STIFKARP_H</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define STK_STIFKARP_H</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>  </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include "Instrmnt.h"</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "DelayL.h"</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "DelayA.h"</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "OneZero.h"</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "Noise.h"</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "BiQuad.h"</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="keyword">namespace </span><a class="code" href="namespacestk.html">stk</a> {</div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  </div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">/***************************************************/</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">/***************************************************/</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classstk_1_1StifKarp.html"> 36</a></span> <span class="keyword">class </span><a class="code" href="classstk_1_1StifKarp.html">StifKarp</a> : <span class="keyword">public</span> <a class="code" href="classstk_1_1Instrmnt.html">Instrmnt</a></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> {</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classstk_1_1StifKarp.html#af5f7391d6cbf29e77b902c2cf33e0906"> 40</a></span>  <a class="code" href="classstk_1_1StifKarp.html#af5f7391d6cbf29e77b902c2cf33e0906">StifKarp</a>( StkFloat lowestFrequency = 10.0 );</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classstk_1_1StifKarp.html#a37bc5b0bb4fe385eda862622f675bee1"> 43</a></span>  <a class="code" href="classstk_1_1StifKarp.html#a37bc5b0bb4fe385eda862622f675bee1">~StifKarp</a>( <span class="keywordtype">void</span> );</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classstk_1_1StifKarp.html#ad1015fa6d2ac1835d8be7dec0df12f6f"> 46</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1StifKarp.html#ad1015fa6d2ac1835d8be7dec0df12f6f">clear</a>( <span class="keywordtype">void</span> );</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classstk_1_1StifKarp.html#a51371b8592fc01aba1993ac304962f6e"> 49</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1StifKarp.html#a51371b8592fc01aba1993ac304962f6e">setFrequency</a>( StkFloat frequency );</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classstk_1_1StifKarp.html#a21a9b7407c9d6a0b2ba34c0e41bb0b57"> 52</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1StifKarp.html#a21a9b7407c9d6a0b2ba34c0e41bb0b57">setStretch</a>( StkFloat stretch );</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classstk_1_1StifKarp.html#a55ca9e1f3c205e4fb51e6d4a7393db70"> 55</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1StifKarp.html#a55ca9e1f3c205e4fb51e6d4a7393db70">setPickupPosition</a>( StkFloat position );</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classstk_1_1StifKarp.html#ad1b5de5acf487271d99903cd43e891ce"> 63</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1StifKarp.html#ad1b5de5acf487271d99903cd43e891ce">setBaseLoopGain</a>( StkFloat aGain );</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classstk_1_1StifKarp.html#a016ff5971a1b51ea472f7e7fa2d677ee"> 66</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1StifKarp.html#a016ff5971a1b51ea472f7e7fa2d677ee">pluck</a>( StkFloat amplitude );</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
<div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classstk_1_1StifKarp.html#ae2831958f1dd782ccf34c4068c2b7f14"> 69</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1StifKarp.html#ae2831958f1dd782ccf34c4068c2b7f14">noteOn</a>( StkFloat frequency, StkFloat amplitude );</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div>
<div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="classstk_1_1StifKarp.html#a1806fb5c05fa5abdcd3ddb4c97d8ea78"> 72</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1StifKarp.html#a1806fb5c05fa5abdcd3ddb4c97d8ea78">noteOff</a>( StkFloat amplitude );</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classstk_1_1StifKarp.html#a27e76ba187140ae575c1bd2e1ba99b03"> 75</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1StifKarp.html#a27e76ba187140ae575c1bd2e1ba99b03">controlChange</a>( <span class="keywordtype">int</span> number, StkFloat value );</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  StkFloat <a class="code" href="classstk_1_1StifKarp.html#a5cd896c59ee01fa8e21346ebe54365fc">tick</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel = 0 );</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="classstk_1_1StkFrames.html">StkFrames</a>& <a class="code" href="classstk_1_1StifKarp.html#a5cd896c59ee01fa8e21346ebe54365fc">tick</a>( <a class="code" href="classstk_1_1StkFrames.html">StkFrames</a>& frames, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel = 0 );</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="classstk_1_1DelayA.html">DelayA</a> delayLine_;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="classstk_1_1DelayL.html">DelayL</a> combDelay_;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="classstk_1_1OneZero.html">OneZero</a> filter_;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="classstk_1_1Noise.html">Noise</a> noise_;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="classstk_1_1BiQuad.html">BiQuad</a> biquad_[4];</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  StkFloat loopGain_;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  StkFloat baseLoopGain_;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  StkFloat lastFrequency_;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  StkFloat lastLength_;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  StkFloat stretching_;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  StkFloat pluckAmplitude_;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  StkFloat pickupPosition_;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> };</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
<div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="classstk_1_1StifKarp.html#a5cd896c59ee01fa8e21346ebe54365fc"> 108</a></span> <span class="keyword">inline</span> StkFloat <a class="code" href="classstk_1_1StifKarp.html#a5cd896c59ee01fa8e21346ebe54365fc">StifKarp :: tick</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> )</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> {</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  StkFloat temp = delayLine_.<a class="code" href="classstk_1_1DelayA.html#addefde829420e18911fbac97b0d451a1">lastOut</a>() * loopGain_;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// Calculate allpass stretching.</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i<4; i++)</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  temp = biquad_[i].<a class="code" href="classstk_1_1StifKarp.html#a5cd896c59ee01fa8e21346ebe54365fc">tick</a>(temp);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// Moving average filter.</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  temp = filter_.<a class="code" href="classstk_1_1OneZero.html#a9f52fa395257b15cb7351c6ccb2199da">tick</a>(temp);</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  lastFrame_[0] = delayLine_.<a class="code" href="classstk_1_1DelayA.html#ae602abe91560fb5f141db52333359b74">tick</a>(temp);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  lastFrame_[0] = lastFrame_[0] - combDelay_.<a class="code" href="classstk_1_1DelayL.html#a1d01bbaf40cc20a0b70241bb8072da7f">tick</a>( lastFrame_[0] );</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">return</span> lastFrame_[0];</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> }</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  </div>
<div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="classstk_1_1StifKarp.html#a7d4afff257faa7ad9ef630f1db1ed93f"> 124</a></span> <span class="keyword">inline</span> <a class="code" href="classstk_1_1StkFrames.html">StkFrames</a>& <a class="code" href="classstk_1_1StifKarp.html#a5cd896c59ee01fa8e21346ebe54365fc">StifKarp :: tick</a>( <a class="code" href="classstk_1_1StkFrames.html">StkFrames</a>& frames, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel )</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nChannels = lastFrame_.<a class="code" href="classstk_1_1StkFrames.html#a0340d9e76707282658e49509a568f60e">channels</a>();</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">#if defined(_STK_DEBUG_)</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">if</span> ( channel > frames.<a class="code" href="classstk_1_1StkFrames.html#a0340d9e76707282658e49509a568f60e">channels</a>() - nChannels ) {</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  oStream_ << <span class="stringliteral">"StifKarp::tick(): channel and StkFrames arguments are incompatible!"</span>;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="classstk_1_1Stk.html#a48ac73a0d8ca28445ba1a054e1f061ff">handleError</a>( StkError::FUNCTION_ARGUMENT );</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  StkFloat *samples = &frames[channel];</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j, hop = frames.<a class="code" href="classstk_1_1StkFrames.html#a0340d9e76707282658e49509a568f60e">channels</a>() - nChannels;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> ( nChannels == 1 ) {</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i<frames.<a class="code" href="classstk_1_1StkFrames.html#a0fc22e21feecdee966f0203722b9c168">frames</a>(); i++, samples += hop )</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  *samples++ = <a class="code" href="classstk_1_1StifKarp.html#a5cd896c59ee01fa8e21346ebe54365fc">tick</a>();</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i<frames.<a class="code" href="classstk_1_1StkFrames.html#a0fc22e21feecdee966f0203722b9c168">frames</a>(); i++, samples += hop ) {</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  *samples++ = <a class="code" href="classstk_1_1StifKarp.html#a5cd896c59ee01fa8e21346ebe54365fc">tick</a>();</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">for</span> ( j=1; j<nChannels; j++ )</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  *samples++ = lastFrame_[j];</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">return</span> frames;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> } <span class="comment">// stk namespace</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclassstk_1_1BiQuad_html"><div class="ttname"><a href="classstk_1_1BiQuad.html">stk::BiQuad</a></div><div class="ttdoc">STK biquad (two-pole, two-zero) filter class.</div><div class="ttdef"><b>Definition:</b> BiQuad.h:21</div></div>
<div class="ttc" id="aclassstk_1_1DelayA_html"><div class="ttname"><a href="classstk_1_1DelayA.html">stk::DelayA</a></div><div class="ttdoc">STK allpass interpolating delay line class.</div><div class="ttdef"><b>Definition:</b> DelayA.h:29</div></div>
<div class="ttc" id="aclassstk_1_1DelayA_html_addefde829420e18911fbac97b0d451a1"><div class="ttname"><a href="classstk_1_1DelayA.html#addefde829420e18911fbac97b0d451a1">stk::DelayA::lastOut</a></div><div class="ttdeci">StkFloat lastOut(void) const</div><div class="ttdoc">Return the last computed output value.</div><div class="ttdef"><b>Definition:</b> DelayA.h:80</div></div>
<div class="ttc" id="aclassstk_1_1DelayA_html_ae602abe91560fb5f141db52333359b74"><div class="ttname"><a href="classstk_1_1DelayA.html#ae602abe91560fb5f141db52333359b74">stk::DelayA::tick</a></div><div class="ttdeci">StkFloat tick(StkFloat input)</div><div class="ttdoc">Input one sample to the filter and return one output.</div><div class="ttdef"><b>Definition:</b> DelayA.h:137</div></div>
<div class="ttc" id="aclassstk_1_1DelayL_html"><div class="ttname"><a href="classstk_1_1DelayL.html">stk::DelayL</a></div><div class="ttdoc">STK linear interpolating delay line class.</div><div class="ttdef"><b>Definition:</b> DelayL.h:28</div></div>
<div class="ttc" id="aclassstk_1_1DelayL_html_a1d01bbaf40cc20a0b70241bb8072da7f"><div class="ttname"><a href="classstk_1_1DelayL.html#a1d01bbaf40cc20a0b70241bb8072da7f">stk::DelayL::tick</a></div><div class="ttdeci">StkFloat tick(StkFloat input)</div><div class="ttdoc">Input one sample to the filter and return one output.</div><div class="ttdef"><b>Definition:</b> DelayL.h:163</div></div>
<div class="ttc" id="aclassstk_1_1Instrmnt_html"><div class="ttname"><a href="classstk_1_1Instrmnt.html">stk::Instrmnt</a></div><div class="ttdoc">STK instrument abstract base class.</div><div class="ttdef"><b>Definition:</b> Instrmnt.h:20</div></div>
<div class="ttc" id="aclassstk_1_1Noise_html"><div class="ttname"><a href="classstk_1_1Noise.html">stk::Noise</a></div><div class="ttdoc">STK noise generator.</div><div class="ttdef"><b>Definition:</b> Noise.h:22</div></div>
<div class="ttc" id="aclassstk_1_1OneZero_html"><div class="ttname"><a href="classstk_1_1OneZero.html">stk::OneZero</a></div><div class="ttdoc">STK one-zero filter class.</div><div class="ttdef"><b>Definition:</b> OneZero.h:21</div></div>
<div class="ttc" id="aclassstk_1_1OneZero_html_a9f52fa395257b15cb7351c6ccb2199da"><div class="ttname"><a href="classstk_1_1OneZero.html#a9f52fa395257b15cb7351c6ccb2199da">stk::OneZero::tick</a></div><div class="ttdeci">StkFloat tick(StkFloat input)</div><div class="ttdoc">Input one sample to the filter and return one output.</div><div class="ttdef"><b>Definition:</b> OneZero.h:79</div></div>
<div class="ttc" id="aclassstk_1_1StifKarp_html"><div class="ttname"><a href="classstk_1_1StifKarp.html">stk::StifKarp</a></div><div class="ttdoc">STK plucked stiff string instrument.</div><div class="ttdef"><b>Definition:</b> StifKarp.h:37</div></div>
<div class="ttc" id="aclassstk_1_1StifKarp_html_a016ff5971a1b51ea472f7e7fa2d677ee"><div class="ttname"><a href="classstk_1_1StifKarp.html#a016ff5971a1b51ea472f7e7fa2d677ee">stk::StifKarp::pluck</a></div><div class="ttdeci">void pluck(StkFloat amplitude)</div><div class="ttdoc">Pluck the string with the given amplitude using the current frequency.</div></div>
<div class="ttc" id="aclassstk_1_1StifKarp_html_a1806fb5c05fa5abdcd3ddb4c97d8ea78"><div class="ttname"><a href="classstk_1_1StifKarp.html#a1806fb5c05fa5abdcd3ddb4c97d8ea78">stk::StifKarp::noteOff</a></div><div class="ttdeci">void noteOff(StkFloat amplitude)</div><div class="ttdoc">Stop a note with the given amplitude (speed of decay).</div></div>
<div class="ttc" id="aclassstk_1_1StifKarp_html_a21a9b7407c9d6a0b2ba34c0e41bb0b57"><div class="ttname"><a href="classstk_1_1StifKarp.html#a21a9b7407c9d6a0b2ba34c0e41bb0b57">stk::StifKarp::setStretch</a></div><div class="ttdeci">void setStretch(StkFloat stretch)</div><div class="ttdoc">Set the stretch "factor" of the string (0.0 - 1.0).</div></div>
<div class="ttc" id="aclassstk_1_1StifKarp_html_a27e76ba187140ae575c1bd2e1ba99b03"><div class="ttname"><a href="classstk_1_1StifKarp.html#a27e76ba187140ae575c1bd2e1ba99b03">stk::StifKarp::controlChange</a></div><div class="ttdeci">void controlChange(int number, StkFloat value)</div><div class="ttdoc">Perform the control change specified by number and value (0.0 - 128.0).</div></div>
<div class="ttc" id="aclassstk_1_1StifKarp_html_a37bc5b0bb4fe385eda862622f675bee1"><div class="ttname"><a href="classstk_1_1StifKarp.html#a37bc5b0bb4fe385eda862622f675bee1">stk::StifKarp::~StifKarp</a></div><div class="ttdeci">~StifKarp(void)</div><div class="ttdoc">Class destructor.</div></div>
<div class="ttc" id="aclassstk_1_1StifKarp_html_a51371b8592fc01aba1993ac304962f6e"><div class="ttname"><a href="classstk_1_1StifKarp.html#a51371b8592fc01aba1993ac304962f6e">stk::StifKarp::setFrequency</a></div><div class="ttdeci">void setFrequency(StkFloat frequency)</div><div class="ttdoc">Set instrument parameters for a particular frequency.</div></div>
<div class="ttc" id="aclassstk_1_1StifKarp_html_a55ca9e1f3c205e4fb51e6d4a7393db70"><div class="ttname"><a href="classstk_1_1StifKarp.html#a55ca9e1f3c205e4fb51e6d4a7393db70">stk::StifKarp::setPickupPosition</a></div><div class="ttdeci">void setPickupPosition(StkFloat position)</div><div class="ttdoc">Set the pluck or "excitation" position along the string (0.0 - 1.0).</div></div>
<div class="ttc" id="aclassstk_1_1StifKarp_html_a5cd896c59ee01fa8e21346ebe54365fc"><div class="ttname"><a href="classstk_1_1StifKarp.html#a5cd896c59ee01fa8e21346ebe54365fc">stk::StifKarp::tick</a></div><div class="ttdeci">StkFloat tick(unsigned int channel=0)</div><div class="ttdoc">Compute and return one output sample.</div><div class="ttdef"><b>Definition:</b> StifKarp.h:108</div></div>
<div class="ttc" id="aclassstk_1_1StifKarp_html_ad1015fa6d2ac1835d8be7dec0df12f6f"><div class="ttname"><a href="classstk_1_1StifKarp.html#ad1015fa6d2ac1835d8be7dec0df12f6f">stk::StifKarp::clear</a></div><div class="ttdeci">void clear(void)</div><div class="ttdoc">Reset and clear all internal state.</div></div>
<div class="ttc" id="aclassstk_1_1StifKarp_html_ad1b5de5acf487271d99903cd43e891ce"><div class="ttname"><a href="classstk_1_1StifKarp.html#ad1b5de5acf487271d99903cd43e891ce">stk::StifKarp::setBaseLoopGain</a></div><div class="ttdeci">void setBaseLoopGain(StkFloat aGain)</div><div class="ttdoc">Set the base loop gain.</div></div>
<div class="ttc" id="aclassstk_1_1StifKarp_html_ae2831958f1dd782ccf34c4068c2b7f14"><div class="ttname"><a href="classstk_1_1StifKarp.html#ae2831958f1dd782ccf34c4068c2b7f14">stk::StifKarp::noteOn</a></div><div class="ttdeci">void noteOn(StkFloat frequency, StkFloat amplitude)</div><div class="ttdoc">Start a note with the given frequency and amplitude.</div></div>
<div class="ttc" id="aclassstk_1_1StifKarp_html_af5f7391d6cbf29e77b902c2cf33e0906"><div class="ttname"><a href="classstk_1_1StifKarp.html#af5f7391d6cbf29e77b902c2cf33e0906">stk::StifKarp::StifKarp</a></div><div class="ttdeci">StifKarp(StkFloat lowestFrequency=10.0)</div><div class="ttdoc">Class constructor, taking the lowest desired playing frequency.</div></div>
<div class="ttc" id="aclassstk_1_1StkFrames_html"><div class="ttname"><a href="classstk_1_1StkFrames.html">stk::StkFrames</a></div><div class="ttdoc">An STK class to handle vectorized audio data.</div><div class="ttdef"><b>Definition:</b> Stk.h:287</div></div>
<div class="ttc" id="aclassstk_1_1StkFrames_html_a0340d9e76707282658e49509a568f60e"><div class="ttname"><a href="classstk_1_1StkFrames.html#a0340d9e76707282658e49509a568f60e">stk::StkFrames::channels</a></div><div class="ttdeci">unsigned int channels(void) const</div><div class="ttdoc">Return the number of channels represented by the data.</div><div class="ttdef"><b>Definition:</b> Stk.h:415</div></div>
<div class="ttc" id="aclassstk_1_1StkFrames_html_a0fc22e21feecdee966f0203722b9c168"><div class="ttname"><a href="classstk_1_1StkFrames.html#a0fc22e21feecdee966f0203722b9c168">stk::StkFrames::frames</a></div><div class="ttdeci">unsigned int frames(void) const</div><div class="ttdoc">Return the number of sample frames represented by the data.</div><div class="ttdef"><b>Definition:</b> Stk.h:418</div></div>
<div class="ttc" id="aclassstk_1_1Stk_html_a48ac73a0d8ca28445ba1a054e1f061ff"><div class="ttname"><a href="classstk_1_1Stk.html#a48ac73a0d8ca28445ba1a054e1f061ff">stk::Stk::handleError</a></div><div class="ttdeci">static void handleError(const char *message, StkError::Type type)</div><div class="ttdoc">Static function for error reporting and handling using c-strings.</div></div>
<div class="ttc" id="anamespacestk_html"><div class="ttname"><a href="namespacestk.html">stk</a></div><div class="ttdoc">The STK namespace.</div><div class="ttdef"><b>Definition:</b> ADSR.h:8</div></div>
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