00001 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 00002 <html> 00003 <head> 00004 00005 <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-15"/> 00006 <title>Ogg Vorbis Documentation</title> 00007 00008 <style type="text/css"> 00009 body { 00010 margin: 0 18px 0 18px; 00011 padding-bottom: 30px; 00012 font-family: Verdana, Arial, Helvetica, sans-serif; 00013 color: #333333; 00014 font-size: .8em; 00015 } 00016 00017 a { 00018 color: #3366cc; 00019 } 00020 00021 img { 00022 border: 0; 00023 } 00024 00025 #xiphlogo { 00026 margin: 30px 0 16px 0; 00027 } 00028 00029 #content p { 00030 line-height: 1.4; 00031 } 00032 00033 h1, h1 a, h2, h2 a, h3, h3 a { 00034 font-weight: bold; 00035 color: #ff9900; 00036 margin: 1.3em 0 8px 0; 00037 } 00038 00039 h1 { 00040 font-size: 1.3em; 00041 } 00042 00043 h2 { 00044 font-size: 1.2em; 00045 } 00046 00047 h3 { 00048 font-size: 1.1em; 00049 } 00050 00051 li { 00052 line-height: 1.4; 00053 } 00054 00055 #copyright { 00056 margin-top: 30px; 00057 line-height: 1.5em; 00058 text-align: center; 00059 font-size: .8em; 00060 color: #888888; 00061 clear: both; 00062 } 00063 </style> 00064 00065 </head> 00066 00067 <body> 00068 00069 <div id="xiphlogo"> 00070 <a href="http://www.xiph.org/"><img src="fish_xiph_org.png" alt="Fish Logo and Xiph.org"/></a> 00071 </div> 00072 00073 <h1>Ogg Vorbis I format specification: floor1_inverse_dB_table</h1> 00074 00075 <p>The vector <tt>[floor1_inverse_dB_table]</tt> is a 256 element static 00076 lookup table consiting of the following values (read left to right 00077 then top to bottom):</p> 00078 00079 <pre> 00080 1.0649863e-07, 1.1341951e-07, 1.2079015e-07, 1.2863978e-07, 00081 1.3699951e-07, 1.4590251e-07, 1.5538408e-07, 1.6548181e-07, 00082 1.7623575e-07, 1.8768855e-07, 1.9988561e-07, 2.1287530e-07, 00083 2.2670913e-07, 2.4144197e-07, 2.5713223e-07, 2.7384213e-07, 00084 2.9163793e-07, 3.1059021e-07, 3.3077411e-07, 3.5226968e-07, 00085 3.7516214e-07, 3.9954229e-07, 4.2550680e-07, 4.5315863e-07, 00086 4.8260743e-07, 5.1396998e-07, 5.4737065e-07, 5.8294187e-07, 00087 6.2082472e-07, 6.6116941e-07, 7.0413592e-07, 7.4989464e-07, 00088 7.9862701e-07, 8.5052630e-07, 9.0579828e-07, 9.6466216e-07, 00089 1.0273513e-06, 1.0941144e-06, 1.1652161e-06, 1.2409384e-06, 00090 1.3215816e-06, 1.4074654e-06, 1.4989305e-06, 1.5963394e-06, 00091 1.7000785e-06, 1.8105592e-06, 1.9282195e-06, 2.0535261e-06, 00092 2.1869758e-06, 2.3290978e-06, 2.4804557e-06, 2.6416497e-06, 00093 2.8133190e-06, 2.9961443e-06, 3.1908506e-06, 3.3982101e-06, 00094 3.6190449e-06, 3.8542308e-06, 4.1047004e-06, 4.3714470e-06, 00095 4.6555282e-06, 4.9580707e-06, 5.2802740e-06, 5.6234160e-06, 00096 5.9888572e-06, 6.3780469e-06, 6.7925283e-06, 7.2339451e-06, 00097 7.7040476e-06, 8.2047000e-06, 8.7378876e-06, 9.3057248e-06, 00098 9.9104632e-06, 1.0554501e-05, 1.1240392e-05, 1.1970856e-05, 00099 1.2748789e-05, 1.3577278e-05, 1.4459606e-05, 1.5399272e-05, 00100 1.6400004e-05, 1.7465768e-05, 1.8600792e-05, 1.9809576e-05, 00101 2.1096914e-05, 2.2467911e-05, 2.3928002e-05, 2.5482978e-05, 00102 2.7139006e-05, 2.8902651e-05, 3.0780908e-05, 3.2781225e-05, 00103 3.4911534e-05, 3.7180282e-05, 3.9596466e-05, 4.2169667e-05, 00104 4.4910090e-05, 4.7828601e-05, 5.0936773e-05, 5.4246931e-05, 00105 5.7772202e-05, 6.1526565e-05, 6.5524908e-05, 6.9783085e-05, 00106 7.4317983e-05, 7.9147585e-05, 8.4291040e-05, 8.9768747e-05, 00107 9.5602426e-05, 0.00010181521, 0.00010843174, 0.00011547824, 00108 0.00012298267, 0.00013097477, 0.00013948625, 0.00014855085, 00109 0.00015820453, 0.00016848555, 0.00017943469, 0.00019109536, 00110 0.00020351382, 0.00021673929, 0.00023082423, 0.00024582449, 00111 0.00026179955, 0.00027881276, 0.00029693158, 0.00031622787, 00112 0.00033677814, 0.00035866388, 0.00038197188, 0.00040679456, 00113 0.00043323036, 0.00046138411, 0.00049136745, 0.00052329927, 00114 0.00055730621, 0.00059352311, 0.00063209358, 0.00067317058, 00115 0.00071691700, 0.00076350630, 0.00081312324, 0.00086596457, 00116 0.00092223983, 0.00098217216, 0.0010459992, 0.0011139742, 00117 0.0011863665, 0.0012634633, 0.0013455702, 0.0014330129, 00118 0.0015261382, 0.0016253153, 0.0017309374, 0.0018434235, 00119 0.0019632195, 0.0020908006, 0.0022266726, 0.0023713743, 00120 0.0025254795, 0.0026895994, 0.0028643847, 0.0030505286, 00121 0.0032487691, 0.0034598925, 0.0036847358, 0.0039241906, 00122 0.0041792066, 0.0044507950, 0.0047400328, 0.0050480668, 00123 0.0053761186, 0.0057254891, 0.0060975636, 0.0064938176, 00124 0.0069158225, 0.0073652516, 0.0078438871, 0.0083536271, 00125 0.0088964928, 0.009474637, 0.010090352, 0.010746080, 00126 0.011444421, 0.012188144, 0.012980198, 0.013823725, 00127 0.014722068, 0.015678791, 0.016697687, 0.017782797, 00128 0.018938423, 0.020169149, 0.021479854, 0.022875735, 00129 0.024362330, 0.025945531, 0.027631618, 0.029427276, 00130 0.031339626, 0.033376252, 0.035545228, 0.037855157, 00131 0.040315199, 0.042935108, 0.045725273, 0.048696758, 00132 0.051861348, 0.055231591, 0.058820850, 0.062643361, 00133 0.066714279, 0.071049749, 0.075666962, 0.080584227, 00134 0.085821044, 0.091398179, 0.097337747, 0.10366330, 00135 0.11039993, 0.11757434, 0.12521498, 0.13335215, 00136 0.14201813, 0.15124727, 0.16107617, 0.17154380, 00137 0.18269168, 0.19456402, 0.20720788, 0.22067342, 00138 0.23501402, 0.25028656, 0.26655159, 0.28387361, 00139 0.30232132, 0.32196786, 0.34289114, 0.36517414, 00140 0.38890521, 0.41417847, 0.44109412, 0.46975890, 00141 0.50028648, 0.53279791, 0.56742212, 0.60429640, 00142 0.64356699, 0.68538959, 0.72993007, 0.77736504, 00143 0.82788260, 0.88168307, 0.9389798, 1. 00144 </pre> 00145 00146 <div id="copyright"> 00147 The Xiph Fish Logo is a 00148 trademark (™) of Xiph.Org.<br/> 00149 00150 These pages © 1994 - 2005 Xiph.Org. 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