2 * DSP Group TrueSpeech compatible decoder
3 * copyright (c) 2005 Konstantin Shishkov
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 #ifndef __TRUESPEECH_DATA__
21 #define __TRUESPEECH_DATA__
23 /* codebooks fo expanding input filter */
24 static const int16_t ts_cb_0[32] = {
25 0x8240, 0x8364, 0x84CE, 0x865D, 0x8805, 0x89DE, 0x8BD7, 0x8DF4,
26 0x9051, 0x92E2, 0x95DE, 0x990F, 0x9C81, 0xA079, 0xA54C, 0xAAD2,
27 0xB18A, 0xB90A, 0xC124, 0xC9CC, 0xD339, 0xDDD3, 0xE9D6, 0xF893,
28 0x096F, 0x1ACA, 0x29EC, 0x381F, 0x45F9, 0x546A, 0x63C3, 0x73B5,
31 static const int16_t ts_cb_1[32] = {
32 0x9F65, 0xB56B, 0xC583, 0xD371, 0xE018, 0xEBB4, 0xF61C, 0xFF59,
33 0x085B, 0x1106, 0x1952, 0x214A, 0x28C9, 0x2FF8, 0x36E6, 0x3D92,
34 0x43DF, 0x49BB, 0x4F46, 0x5467, 0x5930, 0x5DA3, 0x61EC, 0x65F9,
35 0x69D4, 0x6D5A, 0x709E, 0x73AD, 0x766B, 0x78F0, 0x7B5A, 0x7DA5,
38 static const int16_t ts_cb_2[16] = {
39 0x96F8, 0xA3B4, 0xAF45, 0xBA53, 0xC4B1, 0xCECC, 0xD86F, 0xE21E,
40 0xEBF3, 0xF640, 0x00F7, 0x0C20, 0x1881, 0x269A, 0x376B, 0x4D60,
43 static const int16_t ts_cb_3[16] = {
44 0xC654, 0xDEF2, 0xEFAA, 0xFD94, 0x096A, 0x143F, 0x1E7B, 0x282C,
45 0x3176, 0x3A89, 0x439F, 0x4CA2, 0x557F, 0x5E50, 0x6718, 0x6F8D,
48 static const int16_t ts_cb_4[16] = {
49 0xABE7, 0xBBA8, 0xC81C, 0xD326, 0xDD0E, 0xE5D4, 0xEE22, 0xF618,
50 0xFE28, 0x064F, 0x0EB7, 0x17B8, 0x21AA, 0x2D8B, 0x3BA2, 0x4DF9,
53 static const int16_t ts_cb_5[8] = {
54 0xD51B, 0xF12E, 0x042E, 0x13C7, 0x2260, 0x311B, 0x40DE, 0x5385,
57 static const int16_t ts_cb_6[8] = {
58 0xB550, 0xC825, 0xD980, 0xE997, 0xF883, 0x0752, 0x1811, 0x2E18,
61 static const int16_t ts_cb_7[8] = {
62 0xCEF0, 0xE4F9, 0xF6BB, 0x0646, 0x14F5, 0x23FF, 0x356F, 0x4A8D,
65 static const int16_t *ts_codebook[8] = {
66 ts_cb_0, ts_cb_1, ts_cb_2, ts_cb_3, ts_cb_4, ts_cb_5, ts_cb_6, ts_cb_7
69 /* table used for decoding pulse positions */
70 static const int16_t ts_140[120] = {
71 0x0E46, 0x0CCC, 0x0B6D, 0x0A28, 0x08FC, 0x07E8, 0x06EB, 0x0604,
72 0x0532, 0x0474, 0x03C9, 0x0330, 0x02A8, 0x0230, 0x01C7, 0x016C,
73 0x011E, 0x00DC, 0x00A5, 0x0078, 0x0054, 0x0038, 0x0023, 0x0014,
74 0x000A, 0x0004, 0x0001, 0x0000, 0x0000, 0x0000,
76 0x0196, 0x017A, 0x015F, 0x0145, 0x012C, 0x0114, 0x00FD, 0x00E7,
77 0x00D2, 0x00BE, 0x00AB, 0x0099, 0x0088, 0x0078, 0x0069, 0x005B,
78 0x004E, 0x0042, 0x0037, 0x002D, 0x0024, 0x001C, 0x0015, 0x000F,
79 0x000A, 0x0006, 0x0003, 0x0001, 0x0000, 0x0000,
81 0x001D, 0x001C, 0x001B, 0x001A, 0x0019, 0x0018, 0x0017, 0x0016,
82 0x0015, 0x0014, 0x0013, 0x0012, 0x0011, 0x0010, 0x000F, 0x000E,
83 0x000D, 0x000C, 0x000B, 0x000A, 0x0009, 0x0008, 0x0007, 0x0006,
84 0x0005, 0x0004, 0x0003, 0x0002, 0x0001, 0x0000,
86 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001,
87 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001,
88 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001,
89 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001
92 /* filter for correlated input filter */
93 static const int16_t ts_230[8] =
94 { 0x7F3B, 0x7E78, 0x7DB6, 0x7CF5, 0x7C35, 0x7B76, 0x7AB8, 0x79FC };
96 /* two-point filters table */
97 static const int16_t ts_240[25 * 2] = {
129 /* possible pulse values */
130 static const int16_t ts_562[64] = {
131 0x0002, 0x0006, 0xFFFE, 0xFFFA,
132 0x0004, 0x000C, 0xFFFC, 0xFFF4,
133 0x0006, 0x0012, 0xFFFA, 0xFFEE,
134 0x000A, 0x001E, 0xFFF6, 0xFFE2,
135 0x0010, 0x0030, 0xFFF0, 0xFFD0,
136 0x0019, 0x004B, 0xFFE7, 0xFFB5,
137 0x0028, 0x0078, 0xFFD8, 0xFF88,
138 0x0040, 0x00C0, 0xFFC0, 0xFF40,
139 0x0065, 0x012F, 0xFF9B, 0xFED1,
140 0x00A1, 0x01E3, 0xFF5F, 0xFE1D,
141 0x0100, 0x0300, 0xFF00, 0xFD00,
142 0x0196, 0x04C2, 0xFE6A, 0xFB3E,
143 0x0285, 0x078F, 0xFD7B, 0xF871,
144 0x0400, 0x0C00, 0xFC00, 0xF400,
145 0x0659, 0x130B, 0xF9A7, 0xECF5,
146 0x0A14, 0x1E3C, 0xF5EC, 0xE1C4
149 /* filters used in final output calculations */
150 static const int16_t ts_5E2[8] =
151 { 0x4666, 0x26B8, 0x154C, 0x0BB6, 0x0671, 0x038B, 0x01F3, 0x0112 };
152 static const int16_t ts_5F2[8] =
153 { 0x6000, 0x4800, 0x3600, 0x2880, 0x1E60, 0x16C8, 0x1116, 0x0CD1 };