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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/* ====================================================================</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (c) 1999-2004 Carnegie Mellon University. All rights</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * reserved.</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"> * Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * modification, are permitted provided that the following conditions</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * are met:</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * notice, this list of conditions and the following disclaimer. </span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * notice, this list of conditions and the following disclaimer in</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * the documentation and/or other materials provided with the</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * distribution.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * This work was supported in part by funding from the Defense Advanced </span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * Research Projects Agency and the National Science Foundation of the </span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * United States of America, and the CMU Sphinx Speech Consortium.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND </span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, </span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT </span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, </span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY </span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT </span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE </span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</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> <span class="comment"> *</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">/*************************************************</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * CMU ARPA Speech Project</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * Copyright (c) 2000 Carnegie Mellon University.</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * ALL RIGHTS RESERVED.</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * **********************************************</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * </span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * 30-Dec-2000 Rita Singh (rsingh@cs.cmu.edu) at Carnegie Mellon University</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * Created</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#ifdef HAVE_CONFIG_H</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include <config.h></span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#endif</span></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> <span class="preprocessor">#ifdef _MSC_VER</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#pragma warning (disable: 4244)</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#include "<a class="code" href="ckd__alloc_8h.html">sphinxbase/ckd_alloc.h</a>"</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#include "<a class="code" href="err_8h.html">sphinxbase/err.h</a>"</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#include "<a class="code" href="cmn_8h.html">sphinxbase/cmn.h</a>"</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> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="cmn_8h.html#a0f6f70d51143d6a33130650b8d4758ab"> 62</a></span> <a class="code" href="cmn_8h.html#a0f6f70d51143d6a33130650b8d4758ab">cmn_prior_set</a>(<a class="code" href="structcmn__t.html">cmn_t</a> *<a class="code" href="cmn_8h.html#accf10de8ef4d98b4bf591529cf16565e">cmn</a>, mfcc_t <span class="keyword">const</span> * vec)</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  int32 i;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="err_8h.html#ac3c705943d946708cea0a1443be1c853">E_INFO</a>(<span class="stringliteral">"cmn_prior_set: from < "</span>);</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">for</span> (i = 0; i < cmn-><a class="code" href="structcmn__t.html#a10472e0ad9272f764b512ade43f37d69">veclen</a>; i++)</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538">E_INFOCONT</a>(<span class="stringliteral">"%5.2f "</span>, MFCC2FLOAT(cmn-><a class="code" href="structcmn__t.html#aef0faa6cd93f1d9cf12659c5980aefd2">cmn_mean</a>[i]));</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538">E_INFOCONT</a>(<span class="stringliteral">">\n"</span>);</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">for</span> (i = 0; i < cmn-><a class="code" href="structcmn__t.html#a10472e0ad9272f764b512ade43f37d69">veclen</a>; i++) {</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  cmn-><a class="code" href="structcmn__t.html#aef0faa6cd93f1d9cf12659c5980aefd2">cmn_mean</a>[i] = vec[i];</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  cmn-><a class="code" href="structcmn__t.html#adb70819b1ca822d5a4ee6dc94b3b48e7">sum</a>[i] = vec[i] * CMN_WIN;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  cmn-><a class="code" href="structcmn__t.html#a456cc3313e93fa3057b658fef64a0c53">nframe</a> = CMN_WIN;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="err_8h.html#ac3c705943d946708cea0a1443be1c853">E_INFO</a>(<span class="stringliteral">"cmn_prior_set: to < "</span>);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">for</span> (i = 0; i < cmn-><a class="code" href="structcmn__t.html#a10472e0ad9272f764b512ade43f37d69">veclen</a>; i++)</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538">E_INFOCONT</a>(<span class="stringliteral">"%5.2f "</span>, MFCC2FLOAT(cmn-><a class="code" href="structcmn__t.html#aef0faa6cd93f1d9cf12659c5980aefd2">cmn_mean</a>[i]));</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538">E_INFOCONT</a>(<span class="stringliteral">">\n"</span>);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> }</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="cmn_8h.html#a4f624f5b805288f66fa05b79b1e4f383"> 84</a></span> <a class="code" href="cmn_8h.html#a4f624f5b805288f66fa05b79b1e4f383">cmn_prior_get</a>(<a class="code" href="structcmn__t.html">cmn_t</a> *<a class="code" href="cmn_8h.html#accf10de8ef4d98b4bf591529cf16565e">cmn</a>, mfcc_t * vec)</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> {</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  int32 i;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">for</span> (i = 0; i < cmn-><a class="code" href="structcmn__t.html#a10472e0ad9272f764b512ade43f37d69">veclen</a>; i++)</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  vec[i] = cmn-><a class="code" href="structcmn__t.html#aef0faa6cd93f1d9cf12659c5980aefd2">cmn_mean</a>[i];</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</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> </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> cmn_prior_shiftwin(<a class="code" href="structcmn__t.html">cmn_t</a> *<a class="code" href="cmn_8h.html#accf10de8ef4d98b4bf591529cf16565e">cmn</a>)</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  mfcc_t sf;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  int32 i;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  sf = FLOAT2MFCC(1.0) / cmn-><a class="code" href="structcmn__t.html#a456cc3313e93fa3057b658fef64a0c53">nframe</a>;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">for</span> (i = 0; i < cmn-><a class="code" href="structcmn__t.html#a10472e0ad9272f764b512ade43f37d69">veclen</a>; i++)</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  cmn-><a class="code" href="structcmn__t.html#aef0faa6cd93f1d9cf12659c5980aefd2">cmn_mean</a>[i] = cmn-><a class="code" href="structcmn__t.html#adb70819b1ca822d5a4ee6dc94b3b48e7">sum</a>[i] / cmn-><a class="code" href="structcmn__t.html#a456cc3313e93fa3057b658fef64a0c53">nframe</a>; <span class="comment">/* sum[i] * sf */</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">/* Make the accumulation decay exponentially */</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  if (cmn-><a class="code" href="structcmn__t.html#a456cc3313e93fa3057b658fef64a0c53">nframe</a> >= CMN_WIN_HWM) {</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  sf = CMN_WIN * sf;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">for</span> (i = 0; i < cmn-><a class="code" href="structcmn__t.html#a10472e0ad9272f764b512ade43f37d69">veclen</a>; i++)</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  cmn-><a class="code" href="structcmn__t.html#adb70819b1ca822d5a4ee6dc94b3b48e7">sum</a>[i] = MFCCMUL(cmn-><a class="code" href="structcmn__t.html#adb70819b1ca822d5a4ee6dc94b3b48e7">sum</a>[i], sf);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  cmn-><a class="code" href="structcmn__t.html#a456cc3313e93fa3057b658fef64a0c53">nframe</a> = CMN_WIN;</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> }</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="keywordtype">void</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="cmn_8h.html#aae61df2ec71082520669fc63d94bb1ef"> 113</a></span> <a class="code" href="cmn_8h.html#aae61df2ec71082520669fc63d94bb1ef">cmn_prior_update</a>(<a class="code" href="structcmn__t.html">cmn_t</a> *cmn)</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> {</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  mfcc_t sf;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  int32 i;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (cmn-><a class="code" href="structcmn__t.html#a456cc3313e93fa3057b658fef64a0c53">nframe</a> <= 0)</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="code" href="err_8h.html#ac3c705943d946708cea0a1443be1c853">E_INFO</a>(<span class="stringliteral">"cmn_prior_update: from < "</span>);</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">for</span> (i = 0; i < cmn-><a class="code" href="structcmn__t.html#a10472e0ad9272f764b512ade43f37d69">veclen</a>; i++)</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538">E_INFOCONT</a>(<span class="stringliteral">"%5.2f "</span>, MFCC2FLOAT(cmn-><a class="code" href="structcmn__t.html#aef0faa6cd93f1d9cf12659c5980aefd2">cmn_mean</a>[i]));</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538">E_INFOCONT</a>(<span class="stringliteral">">\n"</span>);</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="comment">/* Update mean buffer */</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  sf = FLOAT2MFCC(1.0) / cmn-><a class="code" href="structcmn__t.html#a456cc3313e93fa3057b658fef64a0c53">nframe</a>;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">for</span> (i = 0; i < cmn-><a class="code" href="structcmn__t.html#a10472e0ad9272f764b512ade43f37d69">veclen</a>; i++)</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  cmn-><a class="code" href="structcmn__t.html#aef0faa6cd93f1d9cf12659c5980aefd2">cmn_mean</a>[i] = cmn-><a class="code" href="structcmn__t.html#adb70819b1ca822d5a4ee6dc94b3b48e7">sum</a>[i] / cmn-><a class="code" href="structcmn__t.html#a456cc3313e93fa3057b658fef64a0c53">nframe</a>; <span class="comment">/* sum[i] * sf; */</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">/* Make the accumulation decay exponentially */</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  if (cmn-><a class="code" href="structcmn__t.html#a456cc3313e93fa3057b658fef64a0c53">nframe</a> > CMN_WIN_HWM) {</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  sf = CMN_WIN * sf;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">for</span> (i = 0; i < cmn-><a class="code" href="structcmn__t.html#a10472e0ad9272f764b512ade43f37d69">veclen</a>; i++)</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  cmn-><a class="code" href="structcmn__t.html#adb70819b1ca822d5a4ee6dc94b3b48e7">sum</a>[i] = MFCCMUL(cmn-><a class="code" href="structcmn__t.html#adb70819b1ca822d5a4ee6dc94b3b48e7">sum</a>[i], sf);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  cmn-><a class="code" href="structcmn__t.html#a456cc3313e93fa3057b658fef64a0c53">nframe</a> = CMN_WIN;</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>  <a class="code" href="err_8h.html#ac3c705943d946708cea0a1443be1c853">E_INFO</a>(<span class="stringliteral">"cmn_prior_update: to < "</span>);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">for</span> (i = 0; i < cmn-><a class="code" href="structcmn__t.html#a10472e0ad9272f764b512ade43f37d69">veclen</a>; i++)</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538">E_INFOCONT</a>(<span class="stringliteral">"%5.2f "</span>, MFCC2FLOAT(cmn-><a class="code" href="structcmn__t.html#aef0faa6cd93f1d9cf12659c5980aefd2">cmn_mean</a>[i]));</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <a class="code" href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538">E_INFOCONT</a>(<span class="stringliteral">">\n"</span>);</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> }</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="cmn_8h.html#aa622cf1b6a1b9a9bffd8f60b903bfc42"> 146</a></span> <a class="code" href="cmn_8h.html#aa622cf1b6a1b9a9bffd8f60b903bfc42">cmn_prior</a>(<a class="code" href="structcmn__t.html">cmn_t</a> *cmn, mfcc_t **incep, int32 varnorm, int32 nfr)</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>  int32 i, j;</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>  <span class="keywordflow">if</span> (varnorm)</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <a class="code" href="err_8h.html#a1a4495946ab2449d61108fe829a94613">E_FATAL</a></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  (<span class="stringliteral">"Variance normalization not implemented in live mode decode\n"</span>);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (nfr <= 0)</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">for</span> (i = 0; i < nfr; i++) {</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">for</span> (j = 0; j < cmn-><a class="code" href="structcmn__t.html#a10472e0ad9272f764b512ade43f37d69">veclen</a>; j++) {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  cmn-><a class="code" href="structcmn__t.html#adb70819b1ca822d5a4ee6dc94b3b48e7">sum</a>[j] += incep[i][j];</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  incep[i][j] -= cmn-><a class="code" href="structcmn__t.html#aef0faa6cd93f1d9cf12659c5980aefd2">cmn_mean</a>[j];</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  ++cmn-><a class="code" href="structcmn__t.html#a456cc3313e93fa3057b658fef64a0c53">nframe</a>;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">/* Shift buffer down if we have more than CMN_WIN_HWM frames */</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">if</span> (cmn-><a class="code" href="structcmn__t.html#a456cc3313e93fa3057b658fef64a0c53">nframe</a> > CMN_WIN_HWM)</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  cmn_prior_shiftwin(cmn);</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> }</div>
<div class="ttc" id="err_8h_html_ac3c705943d946708cea0a1443be1c853"><div class="ttname"><a href="err_8h.html#ac3c705943d946708cea0a1443be1c853">E_INFO</a></div><div class="ttdeci">#define E_INFO</div><div class="ttdoc">Print logging information to standard error stream. </div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00147">err.h:147</a></div></div>
<div class="ttc" id="ckd__alloc_8h_html"><div class="ttname"><a href="ckd__alloc_8h.html">ckd_alloc.h</a></div><div class="ttdoc">Sphinx's memory allocation/deallocation routines. </div></div>
<div class="ttc" id="cmn_8h_html"><div class="ttname"><a href="cmn_8h.html">cmn.h</a></div><div class="ttdoc">Apply Cepstral Mean Normalization (CMN) to the set of input mfc frames. </div></div>
<div class="ttc" id="cmn_8h_html_a0f6f70d51143d6a33130650b8d4758ab"><div class="ttname"><a href="cmn_8h.html#a0f6f70d51143d6a33130650b8d4758ab">cmn_prior_set</a></div><div class="ttdeci">SPHINXBASE_EXPORT void cmn_prior_set(cmn_t *cmn, mfcc_t const *vec)</div><div class="ttdoc">Set the prior mean. </div><div class="ttdef"><b>Definition:</b> <a href="cmn__prior_8c_source.html#l00062">cmn_prior.c:62</a></div></div>
<div class="ttc" id="cmn_8h_html_a4f624f5b805288f66fa05b79b1e4f383"><div class="ttname"><a href="cmn_8h.html#a4f624f5b805288f66fa05b79b1e4f383">cmn_prior_get</a></div><div class="ttdeci">SPHINXBASE_EXPORT void cmn_prior_get(cmn_t *cmn, mfcc_t *vec)</div><div class="ttdoc">Get the prior mean. </div><div class="ttdef"><b>Definition:</b> <a href="cmn__prior_8c_source.html#l00084">cmn_prior.c:84</a></div></div>
<div class="ttc" id="cmn_8h_html_accf10de8ef4d98b4bf591529cf16565e"><div class="ttname"><a href="cmn_8h.html#accf10de8ef4d98b4bf591529cf16565e">cmn</a></div><div class="ttdeci">SPHINXBASE_EXPORT void cmn(cmn_t *cmn, mfcc_t **mfc, int32 varnorm, int32 n_frame)</div><div class="ttdoc">CMN for the whole sentence. </div><div class="ttdef"><b>Definition:</b> <a href="cmn_8c_source.html#l00150">cmn.c:150</a></div></div>
<div class="ttc" id="err_8h_html_ae5a17ac5be8c738d3d977b1bea2d4538"><div class="ttname"><a href="err_8h.html#ae5a17ac5be8c738d3d977b1bea2d4538">E_INFOCONT</a></div><div class="ttdeci">#define E_INFOCONT</div><div class="ttdoc">Print logging information without header, to standard error stream. </div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00153">err.h:153</a></div></div>
<div class="ttc" id="err_8h_html"><div class="ttname"><a href="err_8h.html">err.h</a></div><div class="ttdoc">Implementation of logging routines. </div></div>
<div class="ttc" id="structcmn__t_html"><div class="ttname"><a href="structcmn__t.html">cmn_t</a></div><div class="ttdoc">wrapper of operation of the cepstral mean normalization. </div><div class="ttdef"><b>Definition:</b> <a href="cmn_8h_source.html#l00128">cmn.h:128</a></div></div>
<div class="ttc" id="err_8h_html_a1a4495946ab2449d61108fe829a94613"><div class="ttname"><a href="err_8h.html#a1a4495946ab2449d61108fe829a94613">E_FATAL</a></div><div class="ttdeci">#define E_FATAL</div><div class="ttdoc">Exit with non-zero status after error message. </div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00127">err.h:127</a></div></div>
<div class="ttc" id="cmn_8h_html_aae61df2ec71082520669fc63d94bb1ef"><div class="ttname"><a href="cmn_8h.html#aae61df2ec71082520669fc63d94bb1ef">cmn_prior_update</a></div><div class="ttdeci">SPHINXBASE_EXPORT void cmn_prior_update(cmn_t *cmn)</div><div class="ttdoc">Update prior mean based on observed data. </div><div class="ttdef"><b>Definition:</b> <a href="cmn__prior_8c_source.html#l00113">cmn_prior.c:113</a></div></div>
<div class="ttc" id="cmn_8h_html_aa622cf1b6a1b9a9bffd8f60b903bfc42"><div class="ttname"><a href="cmn_8h.html#aa622cf1b6a1b9a9bffd8f60b903bfc42">cmn_prior</a></div><div class="ttdeci">SPHINXBASE_EXPORT void cmn_prior(cmn_t *cmn, mfcc_t **incep, int32 varnorm, int32 nfr)</div><div class="ttdoc">CMN for one block of data, using prior mean. </div><div class="ttdef"><b>Definition:</b> <a href="cmn__prior_8c_source.html#l00146">cmn_prior.c:146</a></div></div>
<div class="ttc" id="structcmn__t_html_aef0faa6cd93f1d9cf12659c5980aefd2"><div class="ttname"><a href="structcmn__t.html#aef0faa6cd93f1d9cf12659c5980aefd2">cmn_t::cmn_mean</a></div><div class="ttdeci">mfcc_t * cmn_mean</div><div class="ttdoc">Temporary variable: current means. </div><div class="ttdef"><b>Definition:</b> <a href="cmn_8h_source.html#l00129">cmn.h:129</a></div></div>
<div class="ttc" id="structcmn__t_html_adb70819b1ca822d5a4ee6dc94b3b48e7"><div class="ttname"><a href="structcmn__t.html#adb70819b1ca822d5a4ee6dc94b3b48e7">cmn_t::sum</a></div><div class="ttdeci">mfcc_t * sum</div><div class="ttdoc">The sum of the cmn frames. </div><div class="ttdef"><b>Definition:</b> <a href="cmn_8h_source.html#l00131">cmn.h:131</a></div></div>
<div class="ttc" id="structcmn__t_html_a10472e0ad9272f764b512ade43f37d69"><div class="ttname"><a href="structcmn__t.html#a10472e0ad9272f764b512ade43f37d69">cmn_t::veclen</a></div><div class="ttdeci">int32 veclen</div><div class="ttdoc">Length of cepstral vector. </div><div class="ttdef"><b>Definition:</b> <a href="cmn_8h_source.html#l00133">cmn.h:133</a></div></div>
<div class="ttc" id="structcmn__t_html_a456cc3313e93fa3057b658fef64a0c53"><div class="ttname"><a href="structcmn__t.html#a456cc3313e93fa3057b658fef64a0c53">cmn_t::nframe</a></div><div class="ttdeci">int32 nframe</div><div class="ttdoc">Number of frames. </div><div class="ttdef"><b>Definition:</b> <a href="cmn_8h_source.html#l00132">cmn.h:132</a></div></div>
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