/usr/include/spandsp/g168models.h is in libspandsp-dev 0.0.6-2.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* SpanDSP - a series of DSP components for telephony
*
* g168models.h - line models for echo cancellation tests against the G.168
* spec.
*
* Written by Steve Underwood <steveu@coppice.org>
*
* Copyright (C) 2001 Steve Underwood
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*! \file */
#if !defined(_SPANDSP_G168MODELS_H_)
#define _SPANDSP_G168MODELS_H_
/*! \page g168_test_data_page The test data from the G.168 specification
*/
/*!
The line model from section D.2 of G.168.
These are the coefficients for the line simulation model defined in
section D.2 of G.168. It may be used with the fir32_xxx
routines to build a line simulator.
*/
const int32_t line_model_d2_coeffs[] =
{
-436, -829, -2797, -4208, -17968, -11215, 46150, 34480,
-10427, 9049, -1309, -6320, 390, -8191, -1751, -6051,
-3796, -4055, -3948, -2557, -3372, -1808, -2259, -1300,
-1098, -618, -340, -61, 323, 419, 745, 716,
946, 880, 1014, 976, 1033, 1091, 1053, 1042,
794, 831, 899, 716, 390, 313, 304, 304,
73, -119, -109, -176, -359, -407, -512, -580,
-704, -618, -685, -791, -772, -820, -839, -724
};
#define LINE_MODEL_D2_GAIN 1.39E-5f
/*!
The line model from section D.3 of G.168.
These are the coefficients for the line simulation model defined in
section D.3 of G.168. It may be used with the fir32_xxx
routines to build a line simulator.
*/
const int32_t line_model_d3_coeffs[] =
{
-381, 658, 1730, -51, -3511, -1418, 7660, 8861,
-8106, -21370, -5307, 23064, 24020, 1020, -12374, -16296,
-19524, -7480, 13509, 17115, 13952, 13952, 97, -9326,
-9046, -15208, -9853, -3858, -1979, 6029, 5616, 7214,
6820, 3935, 3919, 921, 1316, -693, -759, -1517,
-2176, -2028, -2654, -1814, -2077, -1468, -1221, -842,
-463, -298, -68, 64, 493, 723, 789, 954,
756, 839, 872, 1020, 789, 822, 558, 658,
476, 377, 377, 262, 97, -68, -183, -232,
-331, -347, -430, -314, -430, -463, -463, -414,
-381, -479, -479, -512, -479, -397, -430, -397,
-298, -265, -249, -216, -249, -265, -166, -232
};
#define LINE_MODEL_D3_GAIN 1.44E-5f
/*!
The line model from section D.4 of G.168.
These are the coefficients for the line simulation model defined in
section D.4 of G.168. It may be used with the fir32_xxx
routines to build a line simulator.
*/
const int32_t line_model_d4_coeffs[] =
{
-448, -436, 2230, 2448, -4178, -7050, 5846, 18581,
2322, -26261, -16249, 21637, 25649, -2267, -10311, -4693,
-12690, -7428, 14164, 13467, 4438, 8627, 456, -11879,
-6352, -5104, -7496, 3271, 6566, 4277, 11131, 7562,
1475, 3728, -3525, -7301, -3101, -9269, -6146, -2553,
-6272, 811, 124, 788, 5147, 2172, 5387, 4598,
3535, 4004, 2311, 2150, 1017, 330, -139, -573,
-1100, -1157, -1180, -1455, -1123, -1386, -1123, -1066,
-1020, -1100, -1008, -1077, -1088, -917, -917, -963,
-814, -871, -734, -642, -562, -356, -379, -345,
-230, -233, -333, -356, -390, -310, -265, -368,
-310, -310, -390, -482, -459, -482, -551, -573
};
#define LINE_MODEL_D4_GAIN 1.52E-5f
/*!
The line model from section D.5 of G.168.
These are the coefficients for the line simulation model defined in
section D.5 of G.168. It may be used with the fir32_xxx
routines to build a line simulator.
*/
const int32_t line_model_d5_coeffs[] =
{
160, 312, -241, -415, 897, 908, -1326, -1499,
2405, 3347, -3624, -7733, 4041, 14484, -1477, -21739,
-4470, 25356, 11458, -19696, -11800, 5766, 789, 6633,
14624, -6975, -17156, -187, 149, 1515, 14907, 4345,
-7128, -2757, -10185, -7083, 6850, 3944, 6969, 8694,
-4068, -3852, -5793, -9371, 453, 1060, 3965, 9463,
2393, 2784, -892, -7366, -3376, -5847, -2399, 3011,
1537, 6623, 4205, 1602, 1592, -4752, -3646, -5207,
-5577, -501, -1174, 4041, 5647, 4628, 7252, 2123,
2654, -881, -4113, -3244, -7289, -3830, -4600, -2508,
431, -144, 4184, 2372, 4617, 3576, 2382, 2839,
-404, 539, -1803, -1401, -1705, -2269, -783, -1608,
-220, -306, 257, 615, 225, 561, 8, 344,
127, -57, 182, 41, 203, -111, 95, -79,
30, 84, -13, -68, -241, -68, -24, 19,
-57, -24, 30, -68, 84, -155, -68, 19
};
#define LINE_MODEL_D5_GAIN 1.77E-5f
/*!
The line model from section D.6 of G.168.
These are the coefficients for the line simulation model defined in
section D.6 of G.168. It may be used with the fir32_xxx
routines to build a line simulator.
*/
const int32_t line_model_d6_coeffs[] =
{
293, 268, 475, 460, 517, 704, 581, 879,
573, 896, 604, 787, 561, 538, 440, 97,
265, -385, 20, -938, -523, -1438, -1134, -1887,
-1727, -1698, -4266, -22548, -43424, 2743, 25897, 7380,
21499, 11983, 10400, 11667, 3889, 7241, 925, 2018,
-821, -2068, -2236, -4283, -3406, -5022, -4039, -4842,
-4104, -4089, -3582, -2978, -2734, -1805, -1608, -645,
-495, 279, 471, 947, 1186, 1438, 1669, 1640,
1901, 1687, 1803, 1543, 1566, 1342, 1163, 963,
733, 665, 323, 221, -14, -107, -279, -379,
-468, -513, -473, -588, -612, -652, -616, -566,
-515, -485, -404, -344, -290, -202, -180, -123
};
#define LINE_MODEL_D6_GAIN 9.33E-6f
/*!
The line model from section D.7 of G.168.
These are the coefficients for the line simulation model defined in
section D.8 of G.168. It may be used with the fir32_xxx
routines to build a line simulator.
*/
const int32_t line_model_d7_coeffs[] =
{
29, 109, -83, 198, -294, -135, -415, -202,
-444, -337, -313, -450, -105, -503, 145, -490,
267, -231, 340, 77, 343, 783, 158, 1341,
195, 1798, 344, 1845, 629, 1604, 1182, 940,
5163, 19522, 8421, -50953, -9043, 18046, -13553, 13336,
-3471, -107, 1788, -7409, 2469, -7994, 490, -3860,
-837, 490, -636, 3682, 1141, 5019, 2635, 5025,
3946, 4414, 4026, 3005, 3380, 1616, 2007, 158,
388, -1198, -1117, -2134, -2547, -2589, -3310, -2778,
-3427, -2779, -3116, -2502, -2399, -1956, -1539, -1239,
-570, -377, 251, 331, 964, 1177, 1449, 1564,
1724, 1871, 1767, 1802, 1630, 1632, 1379, 1271,
1063, 856, 711, 482, 289, 54, -137, -321,
-490, -638, -764, -836, -800, -859, -838, -837,
-834, -740, -673, -581, -493, -436, -327, -201
};
#define LINE_MODEL_D7_GAIN 1.51E-5f
/*!
The line model from section D.8 of G.168.
These are the coefficients for the line simulation model defined in
section D.8 of G.168. It may be used with the fir32_xxx
routines to build a line simulator.
*/
const int32_t line_model_d8_coeffs[] =
{
258, -111, 337, -319, 347, -434, 192, -450,
-108, -343, -596, -177, -1187, -52, -1781, -147,
-1959, -326, -1601, -1389, -13620, -720, 33818, -10683,
-6742, 12489, -9862, 8950, -1574, 758, 3526, -3118,
2421, -8966, -4901, 11385, 18072, -14410, -7473, 19836,
-16854, -3115, 9483, -17799, 7399, -4342, -7415, 7929,
-10726, 6239, -2526, -1317, 5345, -4565, 6868, -2195,
3425, 1969, -109, 3963, -1275, 3087, -892, 1239,
2, -427, 596, -1184, 551, -1244, 141, -743,
-415, -372, -769, -183, -785, -270, -659, -377,
-523, -325, -245, -255, -60, 35, 218, 149,
340, 233, 365, 303, 251, 230, 209, 179
};
#define LINE_MODEL_D8_GAIN 2.33E-5f
/*!
The line model from section D.9 of G.168.
These are the coefficients for the line simulation model defined in
section D.9 of G.168. It may be used with the fir32_xxx
routines to build a line simulator.
*/
const int32_t line_model_d9_coeffs[] =
{
80, 31, 4, 42, 42, -61, -81, -64,
-121, -102, -26, 1002, -9250, -22562, 39321, 35681,
-35289, 25312, -1457, -229, 15659, -6786, 16791, 3860,
2239, -28730, -11885, 33871, -176, -16421, 18173, -9669,
-10163, 9941, -19365, 3592, -5907, -10257, 5336, -12933,
4348, -4802, -1791, 3035, -4433, 5553, -2596, 3992,
1255, 1450, 4079, 324, 4340, 1059, 3083, 1917,
1756, 2478, 1027, 1871, 845, 1284, 813, 806,
869, 471, 646, 438, 449, 432, 473, 394,
452, 538, 717, 723, 850, 756, 753, 899,
555, 669, 619, 500, 650, 615, 516, 492,
427, 291, 356, 147, 107, -50, -88, -59,
-238, -165, -183
};
#define LINE_MODEL_D9_GAIN 1.33E-5f
/*!
The filter coefficients for the bandpass filter specified for level measurements
in section 6.4.1.2.1 of G.168.
*/
const float level_measurement_bp_coeffs[] =
{
0.0000, 0.0006, 0.0005, 0.0004, 0.0011,
0.0000, 0.0015, -0.0003, 0.0012, -0.0002,
0.0000, 0.0002, -0.0020, 0.0005, -0.0040,
0.0000, -0.0047, -0.0019, -0.0033, -0.0047,
0.0000, -0.0068, 0.0036, -0.0057, 0.0054,
0.0000, 0.0044, 0.0095, 0.0017, 0.0188,
0.0000, 0.0225, 0.0024, 0.0163, 0.0092,
0.0000, 0.0164, -0.0210, 0.0161, -0.0375,
0.0000, -0.0406, -0.0357, -0.0267, -0.0871,
0.0000, -0.1420, 0.0289, -0.1843, 0.0475,
0.8006, 0.0475, -0.1843, 0.0289, -0.1420,
0.0000, -0.0871, -0.0267, -0.0357, -0.0406,
0.0000, -0.0375, 0.0161, -0.0210, 0.0164,
0.0000, 0.0092, 0.0163, 0.0024, 0.0225,
0.0000, 0.0188, 0.0017, 0.0095, 0.0044,
0.0000, 0.0054, -0.0057, 0.0036, -0.0068,
0.0000, -0.0047, -0.0033, -0.0019, -0.0047,
0.0000, -0.0040, 0.0005, -0.0020, 0.0002,
0.0000, -0.0002, 0.0012, -0.0003, 0.0015,
0.0000, 0.0011, 0.0004, 0.0005, 0.0006,
0.0000
};
/*!
The composite source signal "voiced" section from table C.1 of G.168.
*/
const int css_c1[] =
{
-155, 276, 517, 578, 491, 302, 86, -103,
-207, -198, 60, 190, 543, 948, 1362, 1741,
2043, 2276, 2422, 2500, 2552, 2595, 2655, 2758,
2896, 3060, 3224, 3370, 3500, 3569, 3603, 3603,
3595, 3586, 3595, 3638, 3724, 3819, 3922, 4000,
4043, 4034, 3974, 3862, 3724, 3577, 3439, 3336,
3267, 3224, 3198, 3172, 3129, 3043, 2914, 2750,
2560, 2353, 2155, 1991, 1853, 1750, 1672, 1603,
1534, 1440, 1310, 1146, 965, 776, 603, 448,
345, 276, 250, 250, 267, 267, 241, 190,
103, -9, -138, -267, -388, -491, -569, -638,
-698, -759, -813, -888, -957, -1034, -1103, -1146,
-1181, -1190, -1198, -1215, -1259, -1327, -1457, -1629,
-1853, -2121, -2414, -2707, -3017, -3319, -3612, -3913,
-4224, -4560, -4922, -5301, -5715, -6137, -6560, -6948,
-7301, -7568, -7732, -7758, -7620, -7310, -6810, -6155,
-5344, -4439, -3474, -2508, -1595, -802
};
/*!
The composite source signal "voiced" section from table C.3 of G.168.
*/
const int css_c3[] =
{
-198, -112, -9, 103, 233, 388, 543, 724,
896, 1060, 1233, 1388, 1517, 1638, 1747, 1810,
1845, 1845, 1802, 1707, 1569, 1379, 1146, 871,
560, 233, -121, -491, -871, -1250, -1638, -2043,
-2465, -2896, -3345, -3819, -4310, -4810, -5319, -5836,
-6353, -6853, -7353, -7836, -8292, -8715, -9077, -9370,
-9542, -9542, -9361, -8956, -8327, -7465, -6396, -5163,
-3827, -2448, -1103, 155, 1293, 2241, 3034, 3655,
4138, 4517, 4827, 5094, 5344, 5594, 5827, 6043,
6215, 6344, 6413, 6422, 6379, 6310, 6215, 6120,
6051, 6000, 5991, 5991, 6000, 6008, 5991, 5939,
5853, 5715, 5560, 5387, 5215, 5043, 4879, 4732,
4586, 4439, 4276, 4086, 3870, 3629, 3370, 3086,
2801, 2534, 2267, 2034, 1819, 1612, 1422, 1224,
1026, 819, 603, 388, 181, 9, -181, -328,
-448, -543, -629, -707, -784, -871, -948, -1026,
-1112, -1181, -1241, -1276, -1293, -1302, -1293, -1267,
-1250, -1233, -1224, -1224, -1224, -1224, -1215, -1198,
-1172, -1129, -1077, -1026, -974, -922, -888, -871,
-845, -828, -810, -793, -767, -741, -698, -672,
-638, -603, -595, -586, -595, -603, -621, -629,
-938, -638, -638, -638, -638, -638, -647, -664,
-690, -724, -767, -793, -819, -845, -853, -871,
-879, -888, -896, -922, -948, -974, -1009, -1026,
-1052, -1069, -1077, -1069, -1060, -1060, -1052, -1043,
-1043, -1052, -1060, -1060, -1060, -1052, -1034, -1017,
-991, -957, -931, -905, -888, -862, -845, -819,
-793, -767, -724, -672, -621, -560, -509, -457,
-397, -345, -276, -207, -112
};
/*!
From section 6.4.2.7 of G.168 - Test No. 6 Non-divergence on narrow-band signals.
These tones and tone pairs are each applied for 5 seconds.
*/
const int tones_6_4_2_7[][2] =
{
{ 697, 0},
{ 941, 0},
{1336, 0},
{1633, 0},
{ 697, 1209},
{ 770, 1336},
{ 852, 1477},
{ 941, 1633},
{ 0, 0}
};
#endif
/*- End of file ------------------------------------------------------------*/
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