1 /* 2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef COMMON_AUDIO_SIGNAL_PROCESSING_COMPLEX_FFT_TABLES_H_ 12 #define COMMON_AUDIO_SIGNAL_PROCESSING_COMPLEX_FFT_TABLES_H_ 13 14 #include <stdint.h> 15 16 static const int16_t kSinTable1024[] = { 17 0, 201, 402, 603, 804, 1005, 1206, 1406, 1607, 18 1808, 2009, 2209, 2410, 2610, 2811, 3011, 3211, 3411, 19 3611, 3811, 4011, 4210, 4409, 4608, 4807, 5006, 5205, 20 5403, 5601, 5799, 5997, 6195, 6392, 6589, 6786, 6982, 21 7179, 7375, 7571, 7766, 7961, 8156, 8351, 8545, 8739, 22 8932, 9126, 9319, 9511, 9703, 9895, 10087, 10278, 10469, 23 10659, 10849, 11038, 11227, 11416, 11604, 11792, 11980, 12166, 24 12353, 12539, 12724, 12909, 13094, 13278, 13462, 13645, 13827, 25 14009, 14191, 14372, 14552, 14732, 14911, 15090, 15268, 15446, 26 15623, 15799, 15975, 16150, 16325, 16499, 16672, 16845, 17017, 27 17189, 17360, 17530, 17699, 17868, 18036, 18204, 18371, 18537, 28 18702, 18867, 19031, 19194, 19357, 19519, 19680, 19840, 20000, 29 20159, 20317, 20474, 20631, 20787, 20942, 21096, 21249, 21402, 30 21554, 21705, 21855, 22004, 22153, 22301, 22448, 22594, 22739, 31 22883, 23027, 23169, 23311, 23452, 23592, 23731, 23869, 24006, 32 24143, 24278, 24413, 24546, 24679, 24811, 24942, 25072, 25201, 33 25329, 25456, 25582, 25707, 25831, 25954, 26077, 26198, 26318, 34 26437, 26556, 26673, 26789, 26905, 27019, 27132, 27244, 27355, 35 27466, 27575, 27683, 27790, 27896, 28001, 28105, 28208, 28309, 36 28410, 28510, 28608, 28706, 28802, 28897, 28992, 29085, 29177, 37 29268, 29358, 29446, 29534, 29621, 29706, 29790, 29873, 29955, 38 30036, 30116, 30195, 30272, 30349, 30424, 30498, 30571, 30643, 39 30713, 30783, 30851, 30918, 30984, 31049, 31113, 31175, 31236, 40 31297, 31356, 31413, 31470, 31525, 31580, 31633, 31684, 31735, 41 31785, 31833, 31880, 31926, 31970, 32014, 32056, 32097, 32137, 42 32176, 32213, 32249, 32284, 32318, 32350, 32382, 32412, 32441, 43 32468, 32495, 32520, 32544, 32567, 32588, 32609, 32628, 32646, 44 32662, 32678, 32692, 32705, 32717, 32727, 32736, 32744, 32751, 45 32757, 32761, 32764, 32766, 32767, 32766, 32764, 32761, 32757, 46 32751, 32744, 32736, 32727, 32717, 32705, 32692, 32678, 32662, 47 32646, 32628, 32609, 32588, 32567, 32544, 32520, 32495, 32468, 48 32441, 32412, 32382, 32350, 32318, 32284, 32249, 32213, 32176, 49 32137, 32097, 32056, 32014, 31970, 31926, 31880, 31833, 31785, 50 31735, 31684, 31633, 31580, 31525, 31470, 31413, 31356, 31297, 51 31236, 31175, 31113, 31049, 30984, 30918, 30851, 30783, 30713, 52 30643, 30571, 30498, 30424, 30349, 30272, 30195, 30116, 30036, 53 29955, 29873, 29790, 29706, 29621, 29534, 29446, 29358, 29268, 54 29177, 29085, 28992, 28897, 28802, 28706, 28608, 28510, 28410, 55 28309, 28208, 28105, 28001, 27896, 27790, 27683, 27575, 27466, 56 27355, 27244, 27132, 27019, 26905, 26789, 26673, 26556, 26437, 57 26318, 26198, 26077, 25954, 25831, 25707, 25582, 25456, 25329, 58 25201, 25072, 24942, 24811, 24679, 24546, 24413, 24278, 24143, 59 24006, 23869, 23731, 23592, 23452, 23311, 23169, 23027, 22883, 60 22739, 22594, 22448, 22301, 22153, 22004, 21855, 21705, 21554, 61 21402, 21249, 21096, 20942, 20787, 20631, 20474, 20317, 20159, 62 20000, 19840, 19680, 19519, 19357, 19194, 19031, 18867, 18702, 63 18537, 18371, 18204, 18036, 17868, 17699, 17530, 17360, 17189, 64 17017, 16845, 16672, 16499, 16325, 16150, 15975, 15799, 15623, 65 15446, 15268, 15090, 14911, 14732, 14552, 14372, 14191, 14009, 66 13827, 13645, 13462, 13278, 13094, 12909, 12724, 12539, 12353, 67 12166, 11980, 11792, 11604, 11416, 11227, 11038, 10849, 10659, 68 10469, 10278, 10087, 9895, 9703, 9511, 9319, 9126, 8932, 69 8739, 8545, 8351, 8156, 7961, 7766, 7571, 7375, 7179, 70 6982, 6786, 6589, 6392, 6195, 5997, 5799, 5601, 5403, 71 5205, 5006, 4807, 4608, 4409, 4210, 4011, 3811, 3611, 72 3411, 3211, 3011, 2811, 2610, 2410, 2209, 2009, 1808, 73 1607, 1406, 1206, 1005, 804, 603, 402, 201, 0, 74 -201, -402, -603, -804, -1005, -1206, -1406, -1607, -1808, 75 -2009, -2209, -2410, -2610, -2811, -3011, -3211, -3411, -3611, 76 -3811, -4011, -4210, -4409, -4608, -4807, -5006, -5205, -5403, 77 -5601, -5799, -5997, -6195, -6392, -6589, -6786, -6982, -7179, 78 -7375, -7571, -7766, -7961, -8156, -8351, -8545, -8739, -8932, 79 -9126, -9319, -9511, -9703, -9895, -10087, -10278, -10469, -10659, 80 -10849, -11038, -11227, -11416, -11604, -11792, -11980, -12166, -12353, 81 -12539, -12724, -12909, -13094, -13278, -13462, -13645, -13827, -14009, 82 -14191, -14372, -14552, -14732, -14911, -15090, -15268, -15446, -15623, 83 -15799, -15975, -16150, -16325, -16499, -16672, -16845, -17017, -17189, 84 -17360, -17530, -17699, -17868, -18036, -18204, -18371, -18537, -18702, 85 -18867, -19031, -19194, -19357, -19519, -19680, -19840, -20000, -20159, 86 -20317, -20474, -20631, -20787, -20942, -21096, -21249, -21402, -21554, 87 -21705, -21855, -22004, -22153, -22301, -22448, -22594, -22739, -22883, 88 -23027, -23169, -23311, -23452, -23592, -23731, -23869, -24006, -24143, 89 -24278, -24413, -24546, -24679, -24811, -24942, -25072, -25201, -25329, 90 -25456, -25582, -25707, -25831, -25954, -26077, -26198, -26318, -26437, 91 -26556, -26673, -26789, -26905, -27019, -27132, -27244, -27355, -27466, 92 -27575, -27683, -27790, -27896, -28001, -28105, -28208, -28309, -28410, 93 -28510, -28608, -28706, -28802, -28897, -28992, -29085, -29177, -29268, 94 -29358, -29446, -29534, -29621, -29706, -29790, -29873, -29955, -30036, 95 -30116, -30195, -30272, -30349, -30424, -30498, -30571, -30643, -30713, 96 -30783, -30851, -30918, -30984, -31049, -31113, -31175, -31236, -31297, 97 -31356, -31413, -31470, -31525, -31580, -31633, -31684, -31735, -31785, 98 -31833, -31880, -31926, -31970, -32014, -32056, -32097, -32137, -32176, 99 -32213, -32249, -32284, -32318, -32350, -32382, -32412, -32441, -32468, 100 -32495, -32520, -32544, -32567, -32588, -32609, -32628, -32646, -32662, 101 -32678, -32692, -32705, -32717, -32727, -32736, -32744, -32751, -32757, 102 -32761, -32764, -32766, -32767, -32766, -32764, -32761, -32757, -32751, 103 -32744, -32736, -32727, -32717, -32705, -32692, -32678, -32662, -32646, 104 -32628, -32609, -32588, -32567, -32544, -32520, -32495, -32468, -32441, 105 -32412, -32382, -32350, -32318, -32284, -32249, -32213, -32176, -32137, 106 -32097, -32056, -32014, -31970, -31926, -31880, -31833, -31785, -31735, 107 -31684, -31633, -31580, -31525, -31470, -31413, -31356, -31297, -31236, 108 -31175, -31113, -31049, -30984, -30918, -30851, -30783, -30713, -30643, 109 -30571, -30498, -30424, -30349, -30272, -30195, -30116, -30036, -29955, 110 -29873, -29790, -29706, -29621, -29534, -29446, -29358, -29268, -29177, 111 -29085, -28992, -28897, -28802, -28706, -28608, -28510, -28410, -28309, 112 -28208, -28105, -28001, -27896, -27790, -27683, -27575, -27466, -27355, 113 -27244, -27132, -27019, -26905, -26789, -26673, -26556, -26437, -26318, 114 -26198, -26077, -25954, -25831, -25707, -25582, -25456, -25329, -25201, 115 -25072, -24942, -24811, -24679, -24546, -24413, -24278, -24143, -24006, 116 -23869, -23731, -23592, -23452, -23311, -23169, -23027, -22883, -22739, 117 -22594, -22448, -22301, -22153, -22004, -21855, -21705, -21554, -21402, 118 -21249, -21096, -20942, -20787, -20631, -20474, -20317, -20159, -20000, 119 -19840, -19680, -19519, -19357, -19194, -19031, -18867, -18702, -18537, 120 -18371, -18204, -18036, -17868, -17699, -17530, -17360, -17189, -17017, 121 -16845, -16672, -16499, -16325, -16150, -15975, -15799, -15623, -15446, 122 -15268, -15090, -14911, -14732, -14552, -14372, -14191, -14009, -13827, 123 -13645, -13462, -13278, -13094, -12909, -12724, -12539, -12353, -12166, 124 -11980, -11792, -11604, -11416, -11227, -11038, -10849, -10659, -10469, 125 -10278, -10087, -9895, -9703, -9511, -9319, -9126, -8932, -8739, 126 -8545, -8351, -8156, -7961, -7766, -7571, -7375, -7179, -6982, 127 -6786, -6589, -6392, -6195, -5997, -5799, -5601, -5403, -5205, 128 -5006, -4807, -4608, -4409, -4210, -4011, -3811, -3611, -3411, 129 -3211, -3011, -2811, -2610, -2410, -2209, -2009, -1808, -1607, 130 -1406, -1206, -1005, -804, -603, -402, -201}; 131 132 #endif // COMMON_AUDIO_SIGNAL_PROCESSING_COMPLEX_FFT_TABLES_H_ 133