view src/window2.tab @ 6:6119d2c1e7d9

EFR2 encoder: mimic 5 ms delay of AMR
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 03 Apr 2024 07:14:01 +0000
parents 56410792419a
children
line wrap: on
line source

/* Hamming_cos window for LPC analysis.           */

static const Word16 window_232_8[L_WINDOW] =
{
    2621, 2623, 2627, 2634, 2644, 2656, 2671, 2689, 2710, 2734,
    2760, 2789, 2821, 2855, 2893, 2933, 2975, 3021, 3069, 3120,
    3173, 3229, 3288, 3350, 3414, 3481, 3550, 3622, 3697, 3774,
    3853, 3936, 4021, 4108, 4198, 4290, 4385, 4482, 4582, 4684,
    4788, 4895, 5004, 5116, 5230, 5346, 5464, 5585, 5708, 5833,
    5960, 6090, 6221, 6355, 6491, 6629, 6769, 6910, 7054, 7200,
    7348, 7498, 7649, 7803, 7958, 8115, 8274, 8434, 8597, 8761,
    8926, 9093, 9262, 9432, 9604, 9778, 9952, 10129, 10306, 10485,
    10665, 10847, 11030, 11214, 11399, 11586, 11773, 11962, 12152, 12342,
    12534, 12727, 12920, 13115, 13310, 13506, 13703, 13901, 14099, 14298,
    14497, 14698, 14898, 15100, 15301, 15504, 15706, 15909, 16112, 16316,
    16520, 16724, 16928, 17132, 17337, 17541, 17746, 17950, 18155, 18359,
    18564, 18768, 18972, 19175, 19379, 19582, 19785, 19987, 20189, 20390,
    20591, 20792, 20992, 21191, 21390, 21588, 21785, 21981, 22177, 22372,
    22566, 22759, 22951, 23143, 23333, 23522, 23710, 23897, 24083, 24268,
    24451, 24633, 24814, 24994, 25172, 25349, 25525, 25699, 25871, 26042,
    26212, 26380, 26546, 26711, 26874, 27035, 27195, 27353, 27509, 27664,
    27816, 27967, 28115, 28262, 28407, 28550, 28691, 28830, 28967, 29102,
    29234, 29365, 29493, 29619, 29743, 29865, 29985, 30102, 30217, 30330,
    30440, 30548, 30654, 30757, 30858, 30956, 31052, 31146, 31237, 31326,
    31412, 31495, 31576, 31655, 31730, 31804, 31874, 31942, 32008, 32071,
    32131, 32188, 32243, 32295, 32345, 32392, 32436, 32477, 32516, 32552,
    32585, 32615, 32643, 32668, 32690, 32709, 32726, 32740, 32751, 32759,
    32765, 32767, 32767, 32097, 30112, 26895, 22576, 17333, 11380, 4962
};

/* Hamming-cosine window for LPC analysis.           */

static const Word16 window_160_80[L_WINDOW] =
{
    2621, 2624, 2633, 2648, 2668, 2695, 2727, 2765, 2809, 2859,
    2915, 2976, 3043, 3116, 3194, 3279, 3368, 3464, 3565, 3671,
    3783, 3900, 4023, 4151, 4285, 4423, 4567, 4716, 4870, 5029,
    5193, 5362, 5535, 5714, 5897, 6084, 6277, 6473, 6674, 6880,
    7089, 7303, 7521, 7742, 7968, 8197, 8430, 8667, 8907, 9151,
    9398, 9648, 9902, 10158, 10417, 10680, 10945, 11212, 11482, 11755,
    12030, 12307, 12586, 12867, 13150, 13435, 13722, 14010, 14299, 14590,
    14882, 15175, 15469, 15764, 16060, 16356, 16653, 16950, 17248, 17546,
    17844, 18141, 18439, 18736, 19033, 19330, 19625, 19920, 20214, 20507,
    20799, 21090, 21380, 21668, 21954, 22239, 22522, 22803, 23083, 23360,
    23635, 23907, 24177, 24445, 24710, 24972, 25231, 25488, 25741, 25991,
    26238, 26482, 26722, 26959, 27192, 27422, 27647, 27869, 28087, 28300,
    28510, 28715, 28916, 29113, 29305, 29493, 29676, 29854, 30028, 30197,
    30361, 30519, 30673, 30822, 30966, 31105, 31238, 31366, 31489, 31606,
    31718, 31825, 31926, 32021, 32111, 32195, 32273, 32346, 32413, 32475,
    32530, 32580, 32624, 32662, 32695, 32721, 32742, 32756, 32765, 32767,
    32767, 32756, 32720, 32661, 32578, 32471, 32341, 32188, 32012, 31813,
    31592, 31349, 31084, 30798, 30492, 30165, 29818, 29453, 29068, 28666,
    28247, 27810, 27358, 26891, 26408, 25913, 25404, 24883, 24350, 23807,
    23255, 22693, 22124, 21548, 20965, 20378, 19786, 19191, 18593, 17994,
    17395, 16796, 16199, 15604, 15012, 14424, 13842, 13265, 12696, 12135,
    11582, 11039, 10507, 9986, 9477, 8981, 8499, 8031, 7579, 7143,
    6723, 6321, 5937, 5571, 5225, 4898, 4591, 4305, 4041, 3798,
    3577, 3378, 3202, 3048, 2918, 2812, 2729, 2669, 2633, 2621
};