aflibconverterlargefilter_8h-source.html
来自「一个共享源码的音频库5(doc 文档)」· HTML 代码 · 共 5,300 行 · 第 1/5 页
HTML
5,300 行
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>aflibConverterLargeFilter.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.2.15 --><center><a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> </center><hr><h1>aflibConverterLargeFilter.h</h1><a href="aflibConverterLargeFilter_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <font class="comment">/*</font>00002 <font class="comment"> * Copyright: (C) 2000 Julius O. Smith</font>00003 <font class="comment"> *</font>00004 <font class="comment"> * This library is free software; you can redistribute it and/or</font>00005 <font class="comment"> * modify it under the terms of the GNU Lesser General Public</font>00006 <font class="comment"> * License as published by the Free Software Foundation; either</font>00007 <font class="comment"> * version 2.1 of the License, or any later version.</font>00008 <font class="comment"> *</font>00009 <font class="comment"> * This library is distributed in the hope that it will be useful,</font>00010 <font class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</font>00011 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>00012 <font class="comment"> * Lesser General Public License for more details.</font>00013 <font class="comment"> *</font>00014 <font class="comment"> * You should have received a copy of the GNU Lesser General Public</font>00015 <font class="comment"> * License along with this library; if not, write to the Free Software</font>00016 <font class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</font>00017 <font class="comment"> *</font>00018 <font class="comment"> * Julius O. Smith jos@ccrma.stanford.edu</font>00019 <font class="comment"> *</font>00020 <font class="comment"> */</font> 00021 00022 <font class="comment">/* </font>00023 <font class="comment"></font>00024 <font class="comment">The default filter requires an</font>00025 <font class="comment">oversampling factor of around 20% to avoid aliasing. The expensive</font>00026 <font class="comment">filter is five times more computationally expensive and requires only</font>00027 <font class="comment">about a 5-10% oversampling factor. Both filters have comparable</font>00028 <font class="comment">stop-band attenuations (approximately 80 dB). The</font>00029 <font class="comment">expensive filter is not yet documented because its cut-off frequency</font>00030 <font class="comment">should be retuned slightly for optimal performance. Also, we plan to</font>00031 <font class="comment">compute truly optimized resampling filters sometime in the future. In</font>00032 <font class="comment">the meantime, the default filter is fast, well tuned, and works very</font>00033 <font class="comment">well for its level of computational expense.</font>00034 <font class="comment"></font>00035 <font class="comment">*/</font>00036 00037 <font class="preprocessor">#ifdef HAVE_CONFIG_H</font>00038 <font class="preprocessor"></font><font class="preprocessor">#include <config.h></font>00039 <font class="preprocessor">#endif</font>00040 <font class="preprocessor"></font>00041 <a name="l00042"></a><a class="code" href="aflibConverterLargeFilter_8h.html#a0">00042</a> <font class="preprocessor">#define LARGE_FILTER_NMULT ((short)65)</font><a name="l00043"></a><a class="code" href="aflibConverterLargeFilter_8h.html#a1">00043</a> <font class="preprocessor"></font><font class="preprocessor">#define LARGE_FILTER_SCALE 14746 </font><font class="comment">/* Unity-gain scale factor */</font><a name="l00044"></a><a class="code" href="aflibConverterLargeFilter_8h.html#a2">00044</a> <font class="preprocessor">#define LARGE_FILTER_NWING 8192 </font><font class="comment">/* Filter table length */</font>00045 00046 <font class="keywordtype">short</font> aflibConverter::LARGE_FILTER_IMP[] <font class="comment">/* Impulse response */</font> = {00047 32767,00048 32766,00049 32764,00050 32761,00051 32756,00052 32750,00053 32743,00054 32734,00055 32724,00056 32713,00057 32700,00058 32686,00059 32671,00060 32654,00061 32636,00062 32617,00063 32596,00064 32574,00065 32551,00066 32526,00067 32500,00068 32473,00069 32445,00070 32415,00071 32383,00072 32351,00073 32317,00074 32282,00075 32246,00076 32208,00077 32169,00078 32129,00079 32087,00080 32044,00081 32000,00082 31955,00083 31908,00084 31860,00085 31811,00086 31760,00087 31708,00088 31655,00089 31601,00090 31545,00091 31489,00092 31431,00093 31371,00094 31311,00095 31249,00096 31186,00097 31122,00098 31056,00099 30990,00100 30922,00101 30853,00102 30783,00103 30711,00104 30639,00105 30565,00106 30490,00107 30414,00108 30337,00109 30258,00110 30179,00111 30098,00112 30016,00113 29933,00114 29849,00115 29764,00116 29677,00117 29590,00118 29501,00119 29411,00120 29321,00121 29229,00122 29136,00123 29042,00124 28947,00125 28851,00126 28753,00127 28655,00128 28556,00129 28456,00130 28354,00131 28252,00132 28149,00133 28044,00134 27939,00135 27833,00136 27725,00137 27617,00138 27508,00139 27398,00140 27287,00141 27175,00142 27062,00143 26948,00144 26833,00145 26717,00146 26601,00147 26483,00148 26365,00149 26246,00150 26125,00151 26005,00152 25883,00153 25760,00154 25637,00155 25512,00156 25387,00157 25261,00158 25135,00159 25007,00160 24879,00161 24750,00162 24620,00163 24490,00164 24358,00165 24226,00166 24094,00167 23960,00168 23826,00169 23691,00170 23556,00171 23420,00172 23283,00173 23146,00174 23008,00175 22869,00176 22730,00177 22590,00178 22449,00179 22308,00180 22166,00181 22024,00182 21881,00183 21738,00184 21594,00185 21449,00186 21304,00187 21159,00188 21013,00189 20866,00190 20719,00191 20572,00192 20424,00193 20275,00194 20127,00195 19977,00196 19828,00197 19678,00198 19527,00199 19376,00200 19225,00201 19073,00202 18921,00203 18769,00204 18616,00205 18463,00206 18310,00207 18157,00208 18003,00209 17849,00210 17694,00211 17539,00212 17384,00213 17229,00214 17074,00215 16918,00216 16762,00217 16606,00218 16450,00219 16294,00220 16137,00221 15980,00222 15823,00223 15666,00224 15509,00225 15352,00226 15195,00227 15037,00228 14880,00229 14722,00230 14564,00231 14407,00232 14249,00233 14091,00234 13933,00235 13775,00236 13618,00237 13460,00238 13302,00239 13144,00240 12987,00241 12829,00242 12671,00243 12514,00244 12356,00245 12199,00246 12042,00247 11885,00248 11728,00249 11571,00250 11414,00251 11257,00252 11101,00253 10945,00254 10789,00255 10633,00256 10477,00257 10322,00258 10167,00259 10012,00260 9857,00261 9702,00262 9548,00263 9394,00264 9241,00265 9087,00266 8934,00267 8781,00268 8629,00269 8477,00270 8325,00271 8174,00272 8023,00273 7872,00274 7722,00275 7572,00276 7422,00277 7273,00278 7124,00279 6976,00280 6828,00281 6681,00282 6534,00283 6387,00284 6241,00285 6096,00286 5951,00287 5806,00288 5662,00289 5518,00290 5375,00291 5233,00292 5091,00293 4949,00294 4808,00295 4668,00296 4528,00297 4389,00298 4250,00299 4112,00300 3975,00301 3838,00302 3702,00303 3566,00304 3431,00305 3297,00306 3163,00307 3030,00308 2898,00309 2766,00310 2635,00311 2505,00312 2375,00313 2246,00314 2118,00315 1990,00316 1864,00317 1738,00318 1612,00319 1487,00320 1364,00321 1240,00322 1118,00323 996,00324 875,00325 755,00326 636,00327 517,00328 400,00329 283,00330 166,00331 51,00332 -63,00333 -176,00334 -289,00335 -401,00336 -513,00337 -623,00338 -733,00339 -841,00340 -949,00341 -1056,00342 -1162,00343 -1268,00344 -1372,00345 -1476,00346 -1578,00347 -1680,00348 -1781,00349 -1881,00350 -1980,00351 -2078,00352 -2176,00353 -2272,00354 -2367,00355 -2462,00356 -2556,00357 -2648,00358 -2740,00359 -2831,00360 -2921,00361 -3010,00362 -3098,00363 -3185,00364 -3271,00365 -3356,00366 -3441,00367 -3524,00368 -3606,00369 -3688,00370 -3768,00371 -3848,00372 -3926,00373 -4004,00374 -4080,00375 -4156,00376 -4231,00377 -4304,00378 -4377,00379 -4449,00380 -4519,00381 -4589,00382 -4658,00383 -4726,00384 -4792,00385 -4858,00386 -4923,00387 -4987,00388 -5050,00389 -5111,00390 -5172,00391 -5232,00392 -5291,00393 -5349,00394 -5406,00395 -5462,00396 -5517,00397 -5571,00398 -5624,00399 -5675,00400 -5726,00401 -5776,00402 -5825,00403 -5873,00404 -5920,00405 -5966,00406 -6011,00407 -6055,00408 -6098,00409 -6140,00410 -6181,00411 -6222,00412 -6261,00413 -6299,00414 -6336,00415 -6372,00416 -6407,00417 -6441,00418 -6475,00419 -6507,00420 -6538,00421 -6569,00422 -6598,00423 -6626,00424 -6654,00425 -6680,00426 -6706,00427 -6730,00428 -6754,00429 -6777,00430 -6798,00431 -6819,00432 -6839,00433 -6858,00434 -6876,00435 -6893,00436 -6909,00437 -6924,00438 -6938,00439 -6951,00440 -6964,00441 -6975,00442 -6986,00443 -6995,00444 -7004,00445 -7012,00446 -7019,00447 -7025,00448 -7030,00449 -7035,00450 -7038,00451 -7040,00452 -7042,00453 -7043,00454 -7043,00455 -7042,00456 -7040,00457 -7038,00458 -7034,00459 -7030,00460 -7025,00461 -7019,00462 -7012,00463 -7004,00464 -6996,00465 -6986,00466 -6976,00467 -6965,00468 -6954,00469 -6941,00470 -6928,00471 -6914,00472 -6899,00473 -6884,00474 -6867,00475 -6850,00476 -6832,00477 -6814,00478 -6794,00479 -6774,00480 -6753,00481 -6732,00482 -6709,00483 -6686,00484 -6663,00485 -6638,00486 -6613,00487 -6587,00488 -6561,00489 -6534,00490 -6506,00491 -6478,00492 -6448,00493 -6419,00494 -6388,00495 -6357,00496 -6325,00497 -6293,00498 -6260,00499 -6226,00500 -6192,00501 -6157,00502 -6122,00503 -6086,00504 -6049,00505 -6012,00506 -5975,00507 -5936,00508 -5897,00509 -5858,00510 -5818,00511 -5778,00512 -5737,00513 -5695,00514 -5653,00515 -5611,00516 -5568,00517 -5524,00518 -5480,00519 -5436,00520 -5391,00521 -5345,00522 -5300,00523 -5253,00524 -5207,00525 -5159,00526 -5112,00527 -5064,00528 -5015,00529 -4966,00530 -4917,00531 -4868,00532 -4818,00533 -4767,00534 -4716,00535 -4665,00536 -4614,00537 -4562,00538 -4510,00539 -4457,00540 -4404,00541 -4351,00542 -4298,00543 -4244,00544 -4190,00545 -4136,00546 -4081,00547 -4026,00548 -3971,00549 -3916,00550 -3860,00551 -3804,00552 -3748,00553 -3692,00554 -3635,00555 -3578,00556 -3521,00557 -3464,00558 -3406,00559 -3349,00560 -3291,00561 -3233,00562 -3175,00563 -3117,00564 -3058,00565 -3000,00566 -2941,00567 -2882,00568 -2823,00569 -2764,00570 -2705,00571 -2646,00572 -2587,00573 -2527,00574 -2468,00575 -2408,00576 -2349,00577 -2289,00578 -2229,00579 -2169,00580 -2110,00581 -2050,00582 -1990,00583 -1930,00584 -1870,00585 -1811,00586 -1751,00587 -1691,00588 -1631,00589 -1571,00590 -1512,00591 -1452,00592 -1392,00593 -1333,00594 -1273,00595 -1214,00596 -1154,00597 -1095,00598 -1036,00599 -977,00600 -918,00601 -859,00602 -800,00603 -741,00604 -683,00605 -624,00606 -566,00607 -508,00608 -450,00609 -392,00610 -335,00611 -277,00612 -220,00613 -163,00614 -106,00615 -49,00616 6,00617 63,00618 119,00619 175,00620 230,00621 286,00622 341,00623 396,00624 450,00625 505,00626 559,00627 613,00628 667,00629 720,00630 773,00631 826,00632 878,00633 931,00634 983,00635 1034,00636 1086,00637 1137,00638 1187,00639 1238,00640 1288,00641 1337,00642 1387,00643 1436,00644 1484,00645 1533,00646 1581,00647 1628,00648 1675,00649 1722,00650 1769,00651 1815,00652 1861,00653 1906,00654 1951,00655 1996,00656 2040,00657 2084,00658 2127,00659 2170,00660 2212,00661 2255,00662 2296,00663 2338,00664 2378,00665 2419,00666 2459,00667 2498,00668 2538,00669 2576,00670 2615,00671 2652,00672 2690,00673 2727,00674 2763,00675 2799,00676 2834,00677 2870,00678 2904,00679 2938,00680 2972,00681 3005,00682 3038,00683 3070,00684 3102,00685 3133,00686 3164,00687 3194,00688 3224,00689 3253,00690 3282,00691 3310,00692 3338,00693 3365,00694 3392,00695 3418,00696 3444,00697 3469,00698 3494,00699 3518,00700 3542,00701 3566,00702 3588,00703 3611,00704 3632,00705 3653,00706 3674,00707 3694,00708 3714,00709 3733,00710 3752,00711 3770,00712 3788,00713 3805,00714 3821,00715 3837,00716 3853,00717 3868,00718 3882,00719 3896,00720 3910,00721 3923,00722 3935,00723 3947,00724 3958,00725 3969,00726 3980,00727 3989,00728 3999,00729 4007,00730 4016,00731 4023,00732 4031,00733 4037,00734 4044,00735 4049,00736 4054,00737 4059,00738 4063,00739 4067,00740 4070,00741 4073,00742 4075,00743 4076,00744 4077,00745 4078,00746 4078,00747 4078,00748 4077,00749 4076,00750 4074,00751 4071,00752 4068,00753 4065,00754 4061,00755 4057,00756 4052,00757 4047,00758 4041,00759 4035,00760 4028,00761 4021,00762 4013,00763 4005,00764 3997,00765 3988,00766 3978,00767 3968,00768 3958,00769 3947,00770 3936,00771 3924,00772 3912,00773 3899,00774 3886,00775 3872,00776 3858,00777 3844,00778 3829,00779 3814,00780 3798,00781 3782,00782 3766,00783 3749,00784 3731,00785 3714,00786 3696,00787 3677,00788 3658,00789 3639,00790 3619,00791 3599,00792 3578,00793 3558,00794 3536,00795 3515,00796 3493,00797 3470,00798 3448,00799 3425,00800 3401,00801 3378,00802 3353,00803 3329,00804 3304,00805 3279,00806 3254,00807 3228,00808 3202,00809 3175,00810 3149,00811 3122,00812 3094,00813 3067,00814 3039,00815 3011,00816 2982,00817 2953,00818 2924,00819 2895,00820 2865,00821 2835,00822 2805,00823 2775,00824 2744,00825 2713,00826 2682,00827 2651,00828 2619,00829 2587,00830 2555,00831 2523,00832 2490,00833 2457,00834 2424,00835 2391,00836 2358,00837 2324,00838 2290,00839 2256,00840 2222,00841 2188,00842 2153,00843 2119,00844 2084,00845 2049,00846 2014,00847 1978,00848 1943,00849 1907,00850 1872,00851 1836,00852 1800,00853 1764,00854 1727,00855 1691,00856 1655,00857 1618,00858 1581,00859 1545,00860 1508,00861 1471,00862 1434,00863 1397,00864 1360,00865 1322,00866 1285,00867 1248,00868 1210,00869 1173,00870 1135,00871 1098,00872 1060,00873 1023,00874 985,00875 947,00876 910,00877 872,00878 834,00879 797,00880 759,00881 721,00882 684,00883 646,00884 608,00885 571,00886 533,00887 496,00888 458,00889 421,00890 383,00891 346,00892 308,00893 271,00894 234,00895 197,00896 160,00897 123,00898 86,00899 49,00900 12,00901 -23,00902 -60,00903 -96,00904 -133,00905 -169,00906 -205,00907 -241,00908 -277,00909 -313,00910 -348,00911 -384,00912 -419,00913 -455,00914 -490,00915 -525,00916 -559,00917 -594,00918 -628,00919 -663,00920 -697,00921 -731,00922 -765,00923 -798,00924 -832,00925 -865,00926 -898,00927 -931,00928 -963,00929 -996,00930 -1028,00931 -1060,00932 -1092,00933 -1124,00934 -1155,00935 -1186,00936 -1217,00937 -1248,00938 -1279,00939 -1309,00940 -1339,00941 -1369,00942 -1398,00943 -1428,00944 -1457,00945 -1486,00946 -1514,00947 -1542,00948 -1571,00949 -1598,00950 -1626,00951 -1653,00952 -1680,00953 -1707,00954 -1733,00955 -1760,00956 -1785,00957 -1811,00958 -1836,00959 -1862,00960 -1886,00961 -1911,00962 -1935,00963 -1959,00964 -1982,00965 -2006,00966 -2029,00967 -2051,00968 -2074,00969 -2096,00970 -2118,00971 -2139,00972 -2160,00973 -2181,00974 -2202,00975 -2222,00976 -2242,00977 -2261,00978 -2280,00979 -2299,00980 -2318,00981 -2336,00982 -2354,00983 -2372,00984 -2389,00985 -2406,00986 -2423,00987 -2439,00988 -2455,00989 -2470,00990 -2486,00991 -2500,00992 -2515,00993 -2529,00994 -2543,00995 -2557,00996 -2570,00997 -2583,00998 -2595,00999 -2607,01000 -2619,01001 -2631,01002 -2642,01003 -2652,01004 -2663,01005 -2673,01006 -2683,01007 -2692,01008 -2701,01009 -2710,01010 -2718,01011 -2726,01012 -2734,01013 -2741,01014 -2748,01015 -2754,01016 -2760,01017 -2766,01018 -2772,01019 -2777,01020 -2782,01021 -2786,01022 -2790,01023 -2794,01024 -2797,01025 -2800,01026 -2803,01027 -2805,01028 -2807,01029 -2809,01030 -2810,01031 -2811,01032 -2812,01033 -2812,01034 -2812,01035 -2812,01036 -2811,01037 -2810,01038 -2808,01039 -2807,01040 -2804,01041 -2802,01042 -2799,01043 -2796,01044 -2792,01045 -2789,01046 -2785,01047 -2780,01048 -2775,01049 -2770,01050 -2765,01051 -2759,01052 -2753,⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?