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151 lines
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<title>arduino-audio-tools: Blackman Class Reference</title>
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<ul>
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<li class="navelem"><a class="el" href="namespaceaudio__tools.html">audio_tools</a></li><li class="navelem"><a class="el" href="classaudio__tools_1_1_blackman.html">Blackman</a></li> </ul>
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<div class="header">
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<div class="summary">
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="#pro-methods">Protected Member Functions</a> |
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<a href="#pro-attribs">Protected Attributes</a> |
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<a href="classaudio__tools_1_1_blackman-members.html">List of all members</a> </div>
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<div class="headertitle">
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<div class="title">Blackman Class Reference</div> </div>
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<div class="contents">
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<p><a class="el" href="classaudio__tools_1_1_blackman.html" title="Blackman FFT Window function.">Blackman</a> FFT Window function.
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<a href="classaudio__tools_1_1_blackman.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="_f_f_t_windows_8h_source.html">FFTWindows.h</a>></code></p>
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Inheritance diagram for Blackman:</div>
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<area href="classaudio__tools_1_1_window_function.html" title="FFT Window Function." alt="WindowFunction" shape="rect" coords="0,0,105,24"/>
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</map>
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</div></div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a838612f9ae4330b86d40ebbd7018b8a3"><td class="memItemLeft" align="right" valign="top"><a id="a838612f9ae4330b86d40ebbd7018b8a3"></a>
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virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_window_function.html#a838612f9ae4330b86d40ebbd7018b8a3">begin</a> (int <a class="el" href="classaudio__tools_1_1_window_function.html#a296d0d8ff81677d81815bd49551fdaad">samples</a>)</td></tr>
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<tr class="memdesc:a838612f9ae4330b86d40ebbd7018b8a3"><td class="mdescLeft"> </td><td class="mdescRight">Setup the window function providing the fft length. <br /></td></tr>
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<tr class="separator:a838612f9ae4330b86d40ebbd7018b8a3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac8161847fa3a2b56a5119bcf6964e1ff"><td class="memItemLeft" align="right" valign="top"><a id="ac8161847fa3a2b56a5119bcf6964e1ff"></a>
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float </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_window_function.html#ac8161847fa3a2b56a5119bcf6964e1ff">factor</a> (int idx)</td></tr>
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<tr class="memdesc:ac8161847fa3a2b56a5119bcf6964e1ff"><td class="mdescLeft"> </td><td class="mdescRight">Provides the multipication factor at the indicated position. The result is symetirically mirrored around the center. <br /></td></tr>
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<tr class="separator:ac8161847fa3a2b56a5119bcf6964e1ff"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a642e672608ded0b8205f29ae1ce93e8a"><td class="memItemLeft" align="right" valign="top"><a id="a642e672608ded0b8205f29ae1ce93e8a"></a>
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float </td><td class="memItemRight" valign="bottom"><b>factor_internal</b> (int idx) override</td></tr>
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<tr class="separator:a642e672608ded0b8205f29ae1ce93e8a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a296d0d8ff81677d81815bd49551fdaad"><td class="memItemLeft" align="right" valign="top"><a id="a296d0d8ff81677d81815bd49551fdaad"></a>
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int </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_window_function.html#a296d0d8ff81677d81815bd49551fdaad">samples</a> ()</td></tr>
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<tr class="memdesc:a296d0d8ff81677d81815bd49551fdaad"><td class="mdescLeft"> </td><td class="mdescRight">Provides the number of samples (fft length) <br /></td></tr>
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<tr class="separator:a296d0d8ff81677d81815bd49551fdaad"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
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Protected Member Functions</h2></td></tr>
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<tr class="memitem:a57a2b37940b48f5e8ea9ffd1fea79e48"><td class="memItemLeft" align="right" valign="top"><a id="a57a2b37940b48f5e8ea9ffd1fea79e48"></a>
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float </td><td class="memItemRight" valign="bottom"><b>ratio</b> (int idx)</td></tr>
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<tr class="separator:a57a2b37940b48f5e8ea9ffd1fea79e48"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a>
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Protected Attributes</h2></td></tr>
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<tr class="memitem:a9c00ef0d6a75a4709ae8cc30798573d7"><td class="memItemLeft" align="right" valign="top"><a id="a9c00ef0d6a75a4709ae8cc30798573d7"></a>
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const float </td><td class="memItemRight" valign="bottom"><b>fourPi</b> = 12.56637061f</td></tr>
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<tr class="separator:a9c00ef0d6a75a4709ae8cc30798573d7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:afc28d62fbf906d279b549df710bb984f"><td class="memItemLeft" align="right" valign="top"><a id="afc28d62fbf906d279b549df710bb984f"></a>
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int </td><td class="memItemRight" valign="bottom"><b>i_half_samples</b> = 0</td></tr>
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<tr class="separator:afc28d62fbf906d279b549df710bb984f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac6b2af2448f8ff9b3328ed4e98323a29"><td class="memItemLeft" align="right" valign="top"><a id="ac6b2af2448f8ff9b3328ed4e98323a29"></a>
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int </td><td class="memItemRight" valign="bottom"><b>i_samples</b> = 0</td></tr>
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<tr class="separator:ac6b2af2448f8ff9b3328ed4e98323a29"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a97175aba2ced807d61008513bc1b795d"><td class="memItemLeft" align="right" valign="top"><a id="a97175aba2ced807d61008513bc1b795d"></a>
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float </td><td class="memItemRight" valign="bottom"><b>samples_minus_1</b> = 0.0f</td></tr>
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<tr class="separator:a97175aba2ced807d61008513bc1b795d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1103d9adf08fda651cd3a3eede8fa390"><td class="memItemLeft" align="right" valign="top"><a id="a1103d9adf08fda651cd3a3eede8fa390"></a>
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const float </td><td class="memItemRight" valign="bottom"><b>sixPi</b> = 18.84955593f</td></tr>
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<tr class="separator:a1103d9adf08fda651cd3a3eede8fa390"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9d1b7d3bb900175ee122fd20b62906d4"><td class="memItemLeft" align="right" valign="top"><a id="a9d1b7d3bb900175ee122fd20b62906d4"></a>
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const float </td><td class="memItemRight" valign="bottom"><b>twoPi</b> = 6.28318531f</td></tr>
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<tr class="separator:a9d1b7d3bb900175ee122fd20b62906d4"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p><a class="el" href="classaudio__tools_1_1_blackman.html" title="Blackman FFT Window function.">Blackman</a> FFT Window function. </p>
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<dl class="section author"><dt>Author</dt><dd>Phil Schatzmann </dd></dl>
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<dl class="section copyright"><dt>Copyright</dt><dd>GPLv3 </dd></dl>
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</div><hr/>The documentation for this class was generated from the following file:<ul>
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<li>src/AudioLibs/FFT/<a class="el" href="_f_f_t_windows_8h_source.html">FFTWindows.h</a></li>
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</ul>
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Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1
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