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 <span id="projectnumber">0.4.2~alpha</span>
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<li class="navelem"><a class="el" href="dir_7672bb780010713f2d2504f90f5cfe22.html">spectral</a></li> </ul>
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<a href="#typedef-members">Typedefs</a> |
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<div class="title">mfcc.h File Reference</div> </div>
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<p>Mel-frequency cepstrum coefficients object.
<a href="#details">More...</a></p>
<p><a href="mfcc_8h_source.html">Go to the source code of this file.</a></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:aad9f0e0d5ff85e2c9a96cf226b90629f"><td class="memItemLeft" align="right" valign="top"><a id="aad9f0e0d5ff85e2c9a96cf226b90629f"></a>
typedef struct _aubio_mfcc_t </td><td class="memItemRight" valign="bottom"><a class="el" href="mfcc_8h.html#aad9f0e0d5ff85e2c9a96cf226b90629f">aubio_mfcc_t</a></td></tr>
<tr class="memdesc:aad9f0e0d5ff85e2c9a96cf226b90629f"><td class="mdescLeft"> </td><td class="mdescRight">mfcc object <br /></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a066818c5ba98aa36ebb58d35f18bca1a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="mfcc_8h.html#aad9f0e0d5ff85e2c9a96cf226b90629f">aubio_mfcc_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="mfcc_8h.html#a066818c5ba98aa36ebb58d35f18bca1a">new_aubio_mfcc</a> (<a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> buf_size, <a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> n_filters, <a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> n_coeffs, <a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> samplerate)</td></tr>
<tr class="memdesc:a066818c5ba98aa36ebb58d35f18bca1a"><td class="mdescLeft"> </td><td class="mdescRight">create mfcc object <a href="#a066818c5ba98aa36ebb58d35f18bca1a">More...</a><br /></td></tr>
<tr class="separator:a066818c5ba98aa36ebb58d35f18bca1a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8950886bf5271adcad870f99d4337de4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="mfcc_8h.html#a8950886bf5271adcad870f99d4337de4">del_aubio_mfcc</a> (<a class="el" href="mfcc_8h.html#aad9f0e0d5ff85e2c9a96cf226b90629f">aubio_mfcc_t</a> *mf)</td></tr>
<tr class="memdesc:a8950886bf5271adcad870f99d4337de4"><td class="mdescLeft"> </td><td class="mdescRight">delete mfcc object <a href="#a8950886bf5271adcad870f99d4337de4">More...</a><br /></td></tr>
<tr class="separator:a8950886bf5271adcad870f99d4337de4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad23f4aa8d5e8d30ca6ee9d04e03d8514"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="mfcc_8h.html#ad23f4aa8d5e8d30ca6ee9d04e03d8514">aubio_mfcc_do</a> (<a class="el" href="mfcc_8h.html#aad9f0e0d5ff85e2c9a96cf226b90629f">aubio_mfcc_t</a> *mf, <a class="el" href="structcvec__t.html">cvec_t</a> *in, <a class="el" href="structfvec__t.html">fvec_t</a> *out)</td></tr>
<tr class="memdesc:ad23f4aa8d5e8d30ca6ee9d04e03d8514"><td class="mdescLeft"> </td><td class="mdescRight">mfcc object processing <a href="#ad23f4aa8d5e8d30ca6ee9d04e03d8514">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Mel-frequency cepstrum coefficients object. </p>
<p class="definition">Definition in file <a class="el" href="mfcc_8h_source.html">mfcc.h</a>.</p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="ad23f4aa8d5e8d30ca6ee9d04e03d8514"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad23f4aa8d5e8d30ca6ee9d04e03d8514">◆ </a></span>aubio_mfcc_do()</h2>
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<td class="memname">void aubio_mfcc_do </td>
<td>(</td>
<td class="paramtype"><a class="el" href="mfcc_8h.html#aad9f0e0d5ff85e2c9a96cf226b90629f">aubio_mfcc_t</a> * </td>
<td class="paramname"><em>mf</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structcvec__t.html">cvec_t</a> * </td>
<td class="paramname"><em>in</em>, </td>
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<td></td>
<td class="paramtype"><a class="el" href="structfvec__t.html">fvec_t</a> * </td>
<td class="paramname"><em>out</em> </td>
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<td>)</td>
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<p>mfcc object processing </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">mf</td><td>mfcc object as returned by new_aubio_mfcc </td></tr>
<tr><td class="paramname">in</td><td>input spectrum (buf_size long) </td></tr>
<tr><td class="paramname">out</td><td>output mel coefficients buffer (n_coeffs long) </td></tr>
</table>
</dd>
</dl>
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="spectral_2test-mfcc_8c-example.html#a6">spectral/test-mfcc.c</a>.</dd>
</dl>
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<a id="a8950886bf5271adcad870f99d4337de4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8950886bf5271adcad870f99d4337de4">◆ </a></span>del_aubio_mfcc()</h2>
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<td class="memname">void del_aubio_mfcc </td>
<td>(</td>
<td class="paramtype"><a class="el" href="mfcc_8h.html#aad9f0e0d5ff85e2c9a96cf226b90629f">aubio_mfcc_t</a> * </td>
<td class="paramname"><em>mf</em></td><td>)</td>
<td></td>
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</table>
</div><div class="memdoc">
<p>delete mfcc object </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">mf</td><td>mfcc object as returned by new_aubio_mfcc </td></tr>
</table>
</dd>
</dl>
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="spectral_2test-mfcc_8c-example.html#a8">spectral/test-mfcc.c</a>.</dd>
</dl>
</div>
</div>
<a id="a066818c5ba98aa36ebb58d35f18bca1a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a066818c5ba98aa36ebb58d35f18bca1a">◆ </a></span>new_aubio_mfcc()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname"><a class="el" href="mfcc_8h.html#aad9f0e0d5ff85e2c9a96cf226b90629f">aubio_mfcc_t</a>* new_aubio_mfcc </td>
<td>(</td>
<td class="paramtype"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> </td>
<td class="paramname"><em>buf_size</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> </td>
<td class="paramname"><em>n_filters</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> </td>
<td class="paramname"><em>n_coeffs</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> </td>
<td class="paramname"><em>samplerate</em> </td>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>create mfcc object </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">buf_size</td><td>size of analysis buffer (and length the FFT transform) </td></tr>
<tr><td class="paramname">samplerate</td><td>audio sampling rate </td></tr>
<tr><td class="paramname">n_coeffs</td><td>number of desired coefficients </td></tr>
<tr><td class="paramname">n_filters</td><td>number of desired filters </td></tr>
</table>
</dd>
</dl>
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="spectral_2test-mfcc_8c-example.html#a4">spectral/test-mfcc.c</a>.</dd>
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