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65<h1>lpcfunc.h</h1><a href="lpcfunc_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
66<a name="l00044"></a>00044 <span class="preprocessor">#ifndef LPCFUNC_H</span>
67<a name="l00045"></a>00045 <span class="preprocessor"></span><span class="preprocessor">#define LPCFUNC_H</span>
68<a name="l00046"></a>00046 <span class="preprocessor"></span>
69<a name="l00047"></a>00047 <span class="preprocessor">#include &lt;<a class="code" href="vec_8h.html" title="Templated Vector Class Definitions.">itpp/base/vec.h</a>&gt;</span>
70<a name="l00048"></a>00048
71<a name="l00049"></a>00049
72<a name="l00050"></a>00050 <span class="keyword">namespace </span>itpp
73<a name="l00051"></a>00051 {
74<a name="l00052"></a>00052
75<a name="l00055"></a>00055
76<a name="l00056"></a>00056
77<a name="l00058"></a>00058 vec <a class="code" href="group__lpc.html#g910710dbcba62fc369d5d38432472ef4" title="Returns a chirped version of the input vector.">chirp</a>(<span class="keyword">const</span> vec &amp;a, <span class="keywordtype">double</span> factor);
78<a name="l00060"></a>00060 <span class="keywordtype">double</span> <a class="code" href="group__lpc.html#g093af26787d37630cd33fe28499be6a5" title="Spectral distortion between two vectors, in dB, up to highest frequency highestfreq...">sd</a>(<span class="keyword">const</span> vec &amp;In1, <span class="keyword">const</span> vec &amp;In2);
79<a name="l00062"></a>00062 <span class="keywordtype">double</span> <a class="code" href="group__lpc.html#g093af26787d37630cd33fe28499be6a5" title="Spectral distortion between two vectors, in dB, up to highest frequency highestfreq...">sd</a>(<span class="keyword">const</span> vec &amp;In1, <span class="keyword">const</span> vec &amp;In2, <span class="keywordtype">double</span> highestfreq);
80<a name="l00064"></a>00064 vec <a class="code" href="group__lpc.html#g5d4c25ec9fc806fef76234ae22b245a3" title="Computes reflection coefficients from autocorrelation, using the Le-Roux-Guegen algorithm...">lerouxguegenrc</a>(<span class="keyword">const</span> vec &amp;R, <span class="keywordtype">int</span> order);
81<a name="l00066"></a>00066 vec <a class="code" href="group__lpc.html#gb5126f657fd6d48ae69d95eb3644405c" title="Levinson - Levinson-Durbin recursion.">levinson</a>(<span class="keyword">const</span> vec &amp;R2, <span class="keywordtype">int</span> order);
82<a name="l00068"></a>00068 vec <a class="code" href="group__lpc.html#ga24e9b9b779c34ce55177852822f34e3" title="Computes the autocorrelation function.">autocorr</a>(<span class="keyword">const</span> vec &amp;x, <span class="keywordtype">int</span> order);
83<a name="l00070"></a>00070 vec <a class="code" href="group__lpc.html#g9220c50ea37defac1c30b65809a15725" title="lpc - Linear Predictive Coefficients using autocorrelation method.">lpc</a>(<span class="keyword">const</span> vec &amp;x, <span class="keywordtype">int</span> order);
84<a name="l00072"></a>00072 vec <a class="code" href="group__lpc.html#g85f17f0a5885b6429e9db147e1e75774" title="schurrc - Schur algorithm.">schurrc</a>(<span class="keyword">const</span> vec &amp;R, <span class="keywordtype">int</span> order);
85<a name="l00074"></a>00074 vec <a class="code" href="group__lpc.html#g8f04e86c31ac01dc5db6d0759bffa1ef" title="ac2rc - Autocorrelation sequence to reflection coefficients conversion.">ac2rc</a>(<span class="keyword">const</span> vec &amp;ac);
86<a name="l00076"></a>00076 vec <a class="code" href="group__lpc.html#gec039aa896e5c0100b6d65e7436a1b37" title="ac2poly - Autocorrelation sequence to prediction polynomial conversion.">ac2poly</a>(<span class="keyword">const</span> vec &amp;ac);
87<a name="l00078"></a>00078 vec <a class="code" href="group__lpc.html#g8be84802bfe9d4cf034e1604e7d56c0b" title="is2rc - Inverse sine parameters to reflection coefficients conversion.">is2rc</a>(<span class="keyword">const</span> vec &amp;is);
88<a name="l00080"></a>00080 vec <a class="code" href="group__lpc.html#gc038e7378bbd7b1a5692a2f5030ecf1d" title="lar2rc - Log area ratios to reflection coefficients conversion.">lar2rc</a>(<span class="keyword">const</span> vec &amp;lar);
89<a name="l00082"></a>00082 vec <a class="code" href="group__lpc.html#g976e9d53e97c2ca6d419405043f797dd" title="lsf2poly - Line spectral frequencies to prediction polynomial conversion.">lsf2poly</a>(<span class="keyword">const</span> vec &amp;lsf);
90<a name="l00084"></a>00084 vec <a class="code" href="group__lpc.html#g93b987bcf4c0ff6234e66dee1084005e" title="poly2ac - Prediction polynomial to autocorrelation sequence conversion.">poly2ac</a>(<span class="keyword">const</span> vec &amp;poly);
91<a name="l00086"></a>00086 vec <a class="code" href="group__lpc.html#g1599b81d47e2940cc31bbcb7a9464fbd" title="poly2lsf - Prediction polynomial to line spectral frequencies conversion.">poly2lsf</a>(<span class="keyword">const</span> vec &amp;poly);
92<a name="l00088"></a>00088 vec <a class="code" href="group__lpc.html#g21878ace7f58177550b2aa18ab2b2df8" title="poly2rc - Prediction polynomial to reflection coefficients conversion.">poly2rc</a>(<span class="keyword">const</span> vec &amp;poly);
93<a name="l00090"></a>00090 vec <a class="code" href="group__lpc.html#g6d161cf15e75d589d83b76313a0f7298" title="poly2cepstrum - Prediction polynomial to cepstrum conversion, to the specified order...">poly2cepstrum</a>(<span class="keyword">const</span> vec &amp;a);
94<a name="l00092"></a>00092 vec <a class="code" href="group__lpc.html#g6d161cf15e75d589d83b76313a0f7298" title="poly2cepstrum - Prediction polynomial to cepstrum conversion, to the specified order...">poly2cepstrum</a>(<span class="keyword">const</span> vec &amp;a, <span class="keywordtype">int</span> num);
95<a name="l00094"></a>00094 vec <a class="code" href="group__lpc.html#gf3c9df0a6762c09a9e5d99d0edc25db8" title="cepstrum2poly - Cepstrum to prediction polynomial conversion.">cepstrum2poly</a>(<span class="keyword">const</span> vec &amp;c);
96<a name="l00096"></a>00096 vec <a class="code" href="group__lpc.html#gd66680e00f70e2825fc58975a72de6ce" title="rc2ac - Reflection coefficients to autocorrelation sequence conversion.">rc2ac</a>(<span class="keyword">const</span> vec &amp;rc);
97<a name="l00098"></a>00098 vec <a class="code" href="group__lpc.html#g45d64f5f24c1560930cdc203b6e77560" title="rc2is - Reflection coefficients to inverse sine parameters conversion.">rc2is</a>(<span class="keyword">const</span> vec &amp;rc);
98<a name="l00100"></a>00100 vec <a class="code" href="group__lpc.html#gf15334d67a542932703212c5240b850f" title="rc2lar - Reflection coefficients to log area ratios conversion.">rc2lar</a>(<span class="keyword">const</span> vec &amp;rc);
99<a name="l00102"></a>00102 vec <a class="code" href="group__lpc.html#gcb4739cd98af8363816a60d8a954fe30" title="rc2poly - Reflection coefficients to prediction polynomial conversion.">rc2poly</a>(<span class="keyword">const</span> vec &amp;rc);
100<a name="l00103"></a>00103
101<a name="l00105"></a>00105
102<a name="l00106"></a>00106 } <span class="comment">// namespace itpp</span>
103<a name="l00107"></a>00107
104<a name="l00108"></a>00108 <span class="preprocessor">#endif // #ifndef LPCFUNC_H</span>
105</pre></div></div>
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