<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.11"/> <title>libg722_1: bv16cnst.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); $(window).load(resizeHeight); </script> <link href="css.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">libg722_1  <span id="projectnumber">0.1.0</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.11 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul> </div> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> $(document).ready(function(){initNavTree('bv16cnst_8h_source.html','');}); </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <div class="title">bv16cnst.h</div> </div> </div><!--header--> <div class="contents"> <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">/* BroadVoice(R)16 (BV16) Floating-Point ANSI-C Source Code */</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">/* Revision Date: August 19, 2009 */</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/* Version 1.0 */</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> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">/* Copyright 2000-2009 Broadcom Corporation */</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">/* This software is provided under the GNU Lesser General Public License, */</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">/* version 2.1, as published by the Free Software Foundation ("LGPL"). */</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">/* This program is distributed in the hope that it will be useful, but */</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">/* WITHOUT ANY SUPPORT OR WARRANTY; without even the implied warranty of */</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the LGPL for */</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">/* more details. A copy of the LGPL is available at */</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">/* http://www.broadcom.com/licenses/LGPLv2.1.php, */</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">/* or by writing to the Free Software Foundation, Inc., */</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">/* 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> </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="comment">/*****************************************************************************</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> bv16cnst.h : BV16 constants</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> $Log: bv16cnst.h,v $</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> Revision 1.1.1.1 2009/11/19 12:10:48 steveu</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> Start from Broadcom's code</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> Revision 1.1.1.1 2009/11/17 14:06:02 steveu</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> start</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">******************************************************************************/</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "typedef.h"</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#ifndef BV16CNST_H</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#define BV16CNST_H</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">/* ----- Basic Codec Parameters ----- */</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#define FRSZ 40 </span><span class="comment">/* frame size */</span><span class="preprocessor"></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#define WINSZ 160 </span><span class="comment">/* lpc analysis WINdow SiZe */</span><span class="preprocessor"></span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#define MAXPP 137 </span><span class="comment">/* MAXimum Pitch Period */</span><span class="preprocessor"></span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#define MINPP 10 </span><span class="comment">/* MINimum Pitch Period */</span><span class="preprocessor"></span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#define PWSZ 120 </span><span class="comment">/* Pitch analysis Window SiZe */</span><span class="preprocessor"></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#define MAXPP1 (MAXPP+1)</span><span class="comment">/* MAXimum Pitch Period + 1 */</span><span class="preprocessor"></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> <span class="comment">/* Quantization parameters */</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#define VDIM 4 </span><span class="comment">/* excitation vector dimension */</span><span class="preprocessor"></span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#define CBSZ 16 </span><span class="comment">/* excitation codebook size */</span><span class="preprocessor"></span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#define PPCBSZ 32 </span><span class="comment">/* pitch predictor codebook size */</span><span class="preprocessor"></span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#define LGPORDER 8 </span><span class="comment">/* Log-Gain Predictor OODER */</span><span class="preprocessor"></span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#define LGPECBSZ 16 </span><span class="comment">/* Log-Gain Prediction Error CodeBook SiZe */</span><span class="preprocessor"></span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#define LSPPORDER 8 </span><span class="comment">/* LSP MA Predictor ORDER */</span><span class="preprocessor"></span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#define LSPECBSZ1 128 </span><span class="comment">/* codebook size of 1st-stage LSP VQ */</span><span class="preprocessor"></span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#define LSPECBSZ2 64 </span><span class="comment">/* codebook size of 2nd-stage LSP VQ; 1-bit for sign */</span><span class="preprocessor"></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"> 58</span> <span class="preprocessor">#define INVFRSZ (1./(Float)FRSZ)</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> <span class="comment">/* Excitation gain quantization */</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#define LGMEAN 11.45752 </span><span class="comment">/* log2-gain mean */</span><span class="preprocessor"></span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#define GPO 8 </span><span class="comment">/* order of MA prediction */</span><span class="preprocessor"></span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#define NG 18 </span><span class="comment">/* number of relative gain bins */</span><span class="preprocessor"></span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#define GLB -24. </span><span class="comment">/* lower relative gain bound */</span><span class="preprocessor"></span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#define NGC 12 </span><span class="comment">/* number of gain change bins */</span><span class="preprocessor"></span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#define GCLB -8. </span><span class="comment">/* lower gain change bound */</span><span class="preprocessor"></span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#define Minlg 0. </span><span class="comment">/* minimum log-gain */</span><span class="preprocessor"></span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#define TMinlg 1. </span><span class="comment">/* minimum linear gain */</span><span class="preprocessor"></span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#define LGCBSZ 16 </span><span class="comment">/* size of codebook */</span><span class="preprocessor"></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="comment">/* Definitions for periodicity to gain scaling mapping */</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#define ScPLCGmin 0.1</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#define ScPLCGmax 0.9</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#define PePLCGmin 0.5</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#define PePLCGmax 0.9</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#define ScPLCG_b ((ScPLCGmin-ScPLCGmax)/(PePLCGmax-PePLCGmin))</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#define ScPLCG_a (ScPLCGmin-ScPLCG_b*PePLCGmax)</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#define HoldPLCG 8</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#define AttnPLCG 50</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor">#define AttnFacPLCG (1.0/(Float)AttnPLCG)</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> <span class="comment">/* Level Estimation */</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#define estl_alpha (4095./4096.)</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#define estl_alpha1 (255./256.)</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#define estl_beta (511./512.)</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#define estl_beta1 (1.-estl_beta)</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#define estl_a (255./256)</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#define estl_a1 (1-estl_a)</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#define estl_TH 0.2</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor">#define Nfdm 100 </span><span class="comment">/* Max number of frames with fast decay of Lmin */</span><span class="preprocessor"></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> <span class="comment">/* Log-Gain Limitation */</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor">#define LGLB -24 </span><span class="comment">/* Relative (to input level) Log-Gain Lower Bound */</span><span class="preprocessor"></span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#define LGCLB -8 </span><span class="comment">/* Log-Gain Change Lower Bound */</span><span class="preprocessor"></span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor">#define NGB 18 </span><span class="comment">/* Number of Gain Bins */</span><span class="preprocessor"></span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#define NGCB 12 </span><span class="comment">/* Number of Gain Change Bins */</span><span class="preprocessor"></span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment">/* Buffer offsets and sizes */</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor">#define XOFF MAXPP1 </span><span class="comment">/* offset for x() frame */</span><span class="preprocessor"></span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor">#define LX (XOFF+FRSZ) </span><span class="comment">/* Length of x() buffer */</span><span class="preprocessor"></span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor">#define XQOFF (MAXPP1) </span><span class="comment">/* xq() offset before current subframe */</span><span class="preprocessor"></span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor">#define LXQ (XQOFF+FRSZ) </span><span class="comment">/* Length of xq() buffer */</span><span class="preprocessor"></span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor">#define LTMOFF (MAXPP1) </span><span class="comment">/* Long-Term filter Memory OFFset */</span><span class="preprocessor"></span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment">/* Long-term postfilter */</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#define DPPQNS 4 </span><span class="comment">/* Delta pitch period for search */</span><span class="preprocessor"></span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor">#define NINT 20 </span><span class="comment">/* length of filter interpolation */</span><span class="preprocessor"></span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor">#define ATHLD1 0.55 </span><span class="comment">/* threshold on normalized pitch correlation */</span><span class="preprocessor"></span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor">#define ATHLD2 0.80 </span><span class="comment">/* threshold on normalized pitch correlation */</span><span class="preprocessor"></span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor">#define ScLTPF 0.3 </span><span class="comment">/* scaling of LTPF coefficient */</span><span class="preprocessor"></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="comment">/* coarse pitch search */</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#define cpp_Qvalue 2</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor">#define cpp_scale (1<<cpp_Qvalue)</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">#define MAX_NPEAKS 7</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor">#define MPTH4 0.3 </span><span class="comment">/* value to use for MPTH[] with index >= 4 */</span><span class="preprocessor"></span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor">#define DEVTH 0.25 </span><span class="comment">/* pitch period DEViation THreshold */</span><span class="preprocessor"></span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="preprocessor">#define TH1 0.73 </span><span class="comment">/* first threshold for cor*cor/energy */</span><span class="preprocessor"></span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor">#define TH2 0.4 </span><span class="comment">/* second threshold for cor*cor/energy */</span><span class="preprocessor"></span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor">#define LPTH1 0.79 </span><span class="comment">/* Last Pitch cor*cor/energy THreshold 1 */</span><span class="preprocessor"></span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor">#define LPTH2 0.43 </span><span class="comment">/* Last Pitch cor*cor/energy THreshold 2 */</span><span class="preprocessor"></span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor">#define MPDTH 0.065 </span><span class="comment">/* Multiple Pitch Deviation THreshold */</span><span class="preprocessor"></span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">#define SMDTH 0.095 </span><span class="comment">/* Sub-Multiple pitch Deviation THreshold */</span><span class="preprocessor"></span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor">#define SMDTH1 (1.0-SMDTH)</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#define SMDTH2 (1.0+SMDTH)</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor">#define MPR1 (1.0-MPDTH) </span><span class="comment">/* Multiple Pitch Range lower threshold */</span><span class="preprocessor"></span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">#define MPR2 (1.0+MPDTH) </span><span class="comment">/* Multiple Pitch Range upper threshold */</span><span class="preprocessor"></span></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> <span class="comment">/* Decimation parameters */</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor">#define DECF 4 </span><span class="comment">/* DECimation Factor for coarse pitch period search */</span><span class="preprocessor"></span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="preprocessor">#define FRSZD (FRSZ/DECF) </span><span class="comment">/* FRame SiZe in DECF:1 lowband domain */</span><span class="preprocessor"></span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="preprocessor">#define MAXPPD (MAXPP/DECF) </span><span class="comment">/* MAX Pitch in DECF:1, if MAXPP!=4n, ceil() */</span><span class="preprocessor"></span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="preprocessor">#define MINPPD ((int) (MINPP/DECF)) </span><span class="comment">/* MINimum Pitch Period in DECF:1 */</span><span class="preprocessor"></span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="preprocessor">#define PWSZD (PWSZ/DECF) </span><span class="comment">/* Pitch ana. Window SiZe in DECF:1 domain */</span><span class="preprocessor"></span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#define DFO 4</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor">#define MAXPPD1 (MAXPPD + 1)</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor">#define LXD (MAXPPD1 + PWSZD)</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor">#define XDOFF (LXD - FRSZD)</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor">#define HMAXPPD (MAXPPD/2)</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="preprocessor">#define M1 (MINPPD - 1)</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor">#define M2 MAXPPD1</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="preprocessor">#define HDECF (DECF/2)</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="preprocessor">#define INVDECF (1.0F/(float)(DECF)) </span><span class="comment">/* INVerse of DECF (decimation factor) */</span><span class="preprocessor"></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="comment">/* Front-end 150 Hz highpass filter */</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor">#define HPO 2 </span><span class="comment">/* High-pass filter order */</span><span class="preprocessor"></span></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> <span class="comment">/* LPC weighting filter */</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor">#define LTWFL 0.5</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment">/* pole-zero NFC shaping filter */</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor">#define NSTORDER 8</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="preprocessor">#endif </span><span class="comment">/* BV16CNST_H */</span><span class="preprocessor"></span></div></div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_fbe9697c97366b99ab08d07569de0820.html">floating</a></li><li class="navelem"><a class="el" href="dir_55f967fee1f79136d74b6ead3ea759a6.html">bv16</a></li><li class="navelem"><b>bv16cnst.h</b></li> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li> </ul> </div> </body> </html>