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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_098894a2b9860dda60979d343b8f7997.html">Processing</a></li><li class="navelem"><a class="el" href="dir_3bb38452a33e18a9d5968b07586046b5.html">Analysis</a></li> </ul>
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<a href="SpectralAnalysis_8hxx.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * UNIVERSITAT POMPEU FABRA</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This program is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * (at your option) any later version.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * This program is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * GNU General Public License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * along with this program; if not, write to the Free Software</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifndef __SpectralAnalysis__</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span><span class="preprocessor">#define __SpectralAnalysis__</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">//Uncomment this line if you want to use Ooura fft instead of fftw</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">//#define CLAM_OOURA</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="WindowGenerator_8hxx.html">WindowGenerator.hxx</a>"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="CircularShift_8hxx.html">CircularShift.hxx</a>"</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="SpectralAnalysisConfig_8hxx.html">SpectralAnalysisConfig.hxx</a>"</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="Audio_8hxx.html">Audio.hxx</a>"</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="AudioMultiplier_8hxx.html">AudioMultiplier.hxx</a>"</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "<a class="code" href="ProcessingComposite_8hxx.html">ProcessingComposite.hxx</a>"</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="FFT_8hxx.html">FFT.hxx</a>"</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include "<a class="code" href="Spectrum_8hxx.html">Spectrum.hxx</a>"</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "<a class="code" href="AudioInPort_8hxx.html">AudioInPort.hxx</a>"</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "<a class="code" href="OutPort_8hxx.html">OutPort.hxx</a>"</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">namespace </span>CLAM {</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">class </span>Frame;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">class </span>Segment;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">class </span>ProcessingConfig;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="code" href="classCLAM_1_1SpectralAnalysis.html"> 51</a></span> <span class="keyword">class </span><a class="code" href="classCLAM_1_1SpectralAnalysis.html" title="Processing class for performing a STFT.">SpectralAnalysis</a>:<span class="keyword">public</span> <a class="code" href="classCLAM_1_1ProcessingComposite.html" title="Abstract class for processing object agregates.">ProcessingComposite</a></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> {</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// Processing Object compliance methods.</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a name="l00058"></a><span class="lineno"><a class="code" href="classCLAM_1_1SpectralAnalysis.html#a763b0fb62525d4f9ba7364443662e290"> 58</a></span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="classCLAM_1_1SpectralAnalysis.html#a763b0fb62525d4f9ba7364443662e290" title="Override it in every subclass and retur the name of that class.">GetClassName</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <span class="stringliteral">"SpectralAnalysis"</span>;}</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <a class="code" href="classCLAM_1_1SpectralAnalysis.html#ae904090e3869be4b53789ae1e1e228f8">SpectralAnalysis</a>(<a class="code" href="classCLAM_1_1SpectralAnalysisConfig.html" title="Configuration class for Spectral Analysis class It includes specific parameters: HopSize, ZeroPadding, Sampling Rate and FFTSize.">SpectralAnalysisConfig</a>& config);</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="classCLAM_1_1SpectralAnalysis.html#ae904090e3869be4b53789ae1e1e228f8">SpectralAnalysis</a>();</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="classCLAM_1_1SpectralAnalysis.html#a82e0d3f6c4e488f4a5de3fdd128926ad">~SpectralAnalysis</a>();</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="code" href="classCLAM_1_1SpectralAnalysis.html#a9113178d8f5bb9d24c9e3114aa27a930"> 66</a></span>  <span class="keyword">const</span> <a class="code" href="classCLAM_1_1ProcessingConfig.html" title="This is an abstract class which serves as interface for configuration classes used as processing obje...">ProcessingConfig</a> &<a class="code" href="classCLAM_1_1SpectralAnalysis.html#a9113178d8f5bb9d24c9e3114aa27a930" title="Configuration getter.">GetConfig</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> mConfig;}</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1SpectralAnalysis.html#a580a0bf759e57bd960035a9834db1d05" title="Supervised mode execution.">Do</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1SpectralAnalysis.html#a580a0bf759e57bd960035a9834db1d05" title="Supervised mode execution.">Do</a>(<span class="keyword">const</span> <a class="code" href="classCLAM_1_1Audio.html" title="Audio class with the Data Buffer, information about it (SampleRate, BeginTime), and methods to insert...">Audio</a>& in,<a class="code" href="classCLAM_1_1Spectrum.html" title="Spectrum is a ProcessingData class that allows the following representations: Mag/Phase, Complex, Polar and Break Point Function (BPF).">Spectrum</a>& outSp);</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1SpectralAnalysis.html#a580a0bf759e57bd960035a9834db1d05" title="Supervised mode execution.">Do</a>(<a class="code" href="classCLAM_1_1Frame.html" title="Processing Data class to encapsulate a frame and all its related information.">Frame</a>& in);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1SpectralAnalysis.html#a580a0bf759e57bd960035a9834db1d05" title="Supervised mode execution.">Do</a>(<a class="code" href="classCLAM_1_1Segment.html" title="Processing Data class to encapsulate a CLAM segment.">Segment</a>& in);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="classCLAM_1_1SpectralAnalysisConfig.html" title="Configuration class for Spectral Analysis class It includes specific parameters: HopSize, ZeroPadding, Sampling Rate and FFTSize.">SpectralAnalysisConfig</a> mConfig;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment">// The internal Processing Objects</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="classCLAM_1_1WindowGenerator.html" title="This class can be used for generating Windows and for zeropadding the windowed data.">WindowGenerator</a> mPO_WinGen;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="classCLAM_1_1BinaryAudioOp.html">AudioMultiplier</a> mPO_AProduct;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="classCLAM_1_1CircularShift.html" title="This Processing class takes an input audio buffer and shifts it to get zero-phase conditions in the S...">CircularShift</a> mPO_CShift;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <a class="code" href="classCLAM_1_1FFT.html">FFT</a> mPO_FFT;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment">// AudioCircularBuffer mCircularBuffer;</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment">//Internal DataObjects</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="classCLAM_1_1Audio.html" title="Audio class with the Data Buffer, information about it (SampleRate, BeginTime), and methods to insert...">Audio</a> mAudioFrame;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="classCLAM_1_1Audio.html" title="Audio class with the Data Buffer, information about it (SampleRate, BeginTime), and methods to insert...">Audio</a> mWindow; </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="code" href="classCLAM_1_1Spectrum.html" title="Spectrum is a ProcessingData class that allows the following representations: Mag/Phase, Complex, Polar and Break Point Function (BPF).">Spectrum</a> mSpec;</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>  <span class="comment">// Internal convenience methods.</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">void</span> AttachChildren();</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">bool</span> ConfigureChildren();</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">void</span> ConfigureData();</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">bool</span> ConcreteConfigure(<span class="keyword">const</span> <a class="code" href="classCLAM_1_1ProcessingConfig.html" title="This is an abstract class which serves as interface for configuration classes used as processing obje...">ProcessingConfig</a>&);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <a class="code" href="classCLAM_1_1AudioInPort.html">AudioInPort</a> mInput;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="classCLAM_1_1OutPort.html">OutPort<Spectrum></a> mOutput;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> };</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> } <span class="comment">//namespace</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="preprocessor"></span></div>
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