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arrays.tab
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/**************************************************************************
*
* FILENAME : arrays.tab
*
* DESCRIPTION : Arrays for speech channel coding and decoding
*
**************************************************************************/
/* ARRAYS FOR INITIALIZATION OF THE CHANNEL CODING */
/* Definition of the sensitivity classes : 3 classes */
const Word16 TAB0[N0] = {35,36,37,38,39,40,41,42,43, 47,48,
56, 61,62,63,64,65,66,67,68,69,70,
74,75, 83, 88,89,90,91,92,93,94,95,
96,97, 101,102, 110,115,116,117,118,
119,120,121,122,123,124, 128,129,
137};
/* Class 0
51 terms : Non protected class
Least sensitive bits */
const Word16 TAB1[N1] = {58,85,112, 54,81,108,135, 50,77,
104,131, 45,72,99,126, 55,82,109,
136, 5,13,34, 8,16,17, 22,23,24,
25,26, 6,14,7,15, 60,87,114, 46,
73,100,127, 44,71,98,125, 33,49,
76,103,130, 59,86,113, 57,84,111};
/* Class 1
56 terms : Protected by Rate 8/12
Ranked with the most important bits at the boundaries,
and least important at the middle */
const Word16 TAB2[N2] = {18,19,20,21, /* LSF3 */
31,32, /* Pitch0 */
53,80,107,134, /* Energie 3 */
1,2,3,4, /* LSF1 */
9,10,11,12, /* LSF2 */
27,28,29,30, /* Pitch0 */
52,79,106,133, /* Energie 4 */
51,78,105,132};/* Energie 5 */
/* Class 2
30 terms : Protected by Rate 8/18
Ranked from least to most important bits */
/* PUNCTURING CHARACTERISTICS: */
/* Puncturing Tables for the two protected classes (Class 1 and 2) */
const Word16 A1[Period_pct*3] =
{1, 1, 1, 1, 1, 1, 1, 1,
1, 0, 1, 0, 1, 0, 1, 0,
0, 0, 0, 0, 0, 0, 0, 0};
/* Puncturing Table for Class 1 : Rate 8/12 (2/3) */
const Word16 A2[Period_pct*3] =
{1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 0, 0, 0, 1, 0, 0, 0};
/* Puncturing Table for Class 2 : Rate 8/18 */
const Word16 Fs_A2[Period_pct*3] =
{1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 0, 0, 0, 0, 0, 0, 0};
/* In case of Frame Stealing */
/* Puncturing Table for Class 2 : Rate 8/17 */
/* BAD FRAME INDICATOR : CRC (Cyclic Redundant Check) */
/* Definition of the 8 CRC bits */
const Word16 TAB_CRC1[SIZE_TAB_CRC1] =
{1, 5, 8,9, 13, 15,16,
17, 19, 21,22, 24,25, 31,
32, 35,36, 38, 40, 43,44,
45, 48,49,50,51, 53,54, 56};
/* Ranks of the bits in Class2 protected by the First bit of the CRC */
const Word16 TAB_CRC2[SIZE_TAB_CRC2] =
{2, 6, 9,10, 14,
16,17,18, 20, 22,23, 25,26,
32,33, 36,37, 39, 41, 44,45,
46, 49,50,51,52, 54,55, 57};
/* Ranks of the bits in Class 2 protected by the Second bit of the CRC */
const Word16 TAB_CRC3[SIZE_TAB_CRC3] =
{3, 7, 10,11, 15,
17,18,19, 21, 23,24, 26,27,
33,34, 37,38, 40, 42, 45,
46,47, 50,51,52,53, 55,56, 58};
/* Ranks of the bits in Class 2 protected by the Third bit of the CRC */
const Word16 TAB_CRC4[SIZE_TAB_CRC4] =
{1, 4,5, 9, 11,12,13, 15,
17,18, 20,21, 27,28, 31,
32, 34, 36, 39,40,41, 44,45,
46,47, 49,50, 52, 57, 59};
/* Ranks of the bits in Class 2 protected by the Fourth bit of the CRC */
const Word16 TAB_CRC5[SIZE_TAB_CRC5] =
{2, 5,6, 10, 12,13,14,
16, 18,19, 21,22, 28,29,
32,33, 35, 37, 40,41,42, 45,
46,47,48, 50,51, 53, 58, 60};
/* Ranks of the bits in Class 2 protected by the Fifth bit of the CRC */
const Word16 TAB_CRC6[SIZE_TAB_CRC6] =
{3, 6,7, 11, 13,14,15,
17, 19,20, 22,23, 29,30,
33,34, 36, 38, 41,42,43,
46,47,48,49, 51,52, 54, 59};
/* Ranks of the bits in Class 2 protected by the Sixth bit of the CRC */
const Word16 TAB_CRC7[SIZE_TAB_CRC7] =
{4, 7,8, 12, 14,15,
16, 18, 20,21, 23,24, 30,
31, 34,35, 37, 39, 42,43,44,
47,48,49,50, 52,53, 55, 60};
/* Ranks of the bits in Class 2 protected by the Seventh bit of the CRC */
const Word16 TAB_CRC8[SIZE_TAB_CRC8] =
{1,2,3,4, 8, 13,14, 16, 19,
20, 22,23, 25,26,27,28,29,30,
32,33,34, 36,37, 40,41,42, 44,
48, 50, 53, 56,57,58,59,60};
/* Ranks of the bits in Class 2 protected by the Eighth bit of the CRC */
/* IN CASE OF FRAME STEALING :
BAD FRAME INDICATOR : CRC (Cyclic Redundant Check)
Definition of the 4 CRC bits */
#define Fs_SIZE_TAB_CRC1 16
#define Fs_SIZE_TAB_CRC2 16
#define Fs_SIZE_TAB_CRC3 16
#define Fs_SIZE_TAB_CRC4 16
const Word16 Fs_TAB_CRC1[Fs_SIZE_TAB_CRC1] =
{1, 4,5, 7, 9,10,11,12,
16, 19,20, 22, 24,25,26,27 };
/* Ranks of the bits in Class2 protected by the First bit of the CRC */
const Word16 Fs_TAB_CRC2[Fs_SIZE_TAB_CRC2] =
{1,2, 4, 6,7,8,9, 13,
16,17, 19, 21,22,23,24, 28 };
/* Ranks of the bits in Class 2 protected by the Second bit of the CRC */
const Word16 Fs_TAB_CRC3[Fs_SIZE_TAB_CRC3] =
{ 2,3, 5, 7,8,9,10, 14,
17,18, 20, 22,23,24,25, 29 };
/* Ranks of the bits in Class 2 protected by the Third bit of the CRC */
const Word16 Fs_TAB_CRC4[Fs_SIZE_TAB_CRC4] =
{ 3,4, 6, 8,9,10,11, 15,
18,19, 21, 23,24,25,26, 30};
/* Ranks of the bits in Class 2 protected by the Fourth bit of the CRC */
#define N1_coded 84 /* Size of Class1 (one speech frame) after coding 8/12 */
#define N2_coded 81 /* Size of Class2 (one speech frame) after coding 8/17 */
Word16 Previous[(1 << (K - 1))][2];
Word16 Best_previous[(1 << (K - 1))][Decoding_delay];
Word16 T1[(1 << (K - 1))][2], T2[(1 << (K - 1))][2], T3[(1 << (K - 1))][2];
Word16 Score[(1 << (K - 1))];
Word16 Ex_score[(1 << (K - 1))];
Word16 Received[3];
Word16 Initialization;
Word16 Nber_Info_Bits;
Word16 Msb_bit;
Word16 M_1;
Word16 Min_value_allowed;
Word16 Max_value_allowed;
/* END GLOBAL VARIABLES ***********************************/