g729ev_main_table.c

最新的ITU-T的宽带语音编解码标准G.729.1,是对原先的G.729的最好的调整.码流输出速率可以进行自适应调整.满足未来通信要求.希望对大家有所帮助.

  /* dimension 11 */
  0, 11,
  /* dimension 12 */
  0,
  /* dimension 13 */
  0,
  /* dimension 14 */
  0, 14,
  /* dimension 15 */
  0, 15,
  /* dimension 16 */
  0, 16, 32, 48, 64, 80, 96, 112, 128, 144,
  160, 176, 192, 208
};

const Word16 *G729EV_MAIN_adRate[G729EV_TDAC_N_NBC + 1] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  (Word16 *) G729EV_MAIN_Rate8, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  (Word16 *) G729EV_MAIN_Rate16,
};

const UWord32 *G729EV_MAIN_adOffsetLead[G729EV_TDAC_N_NBC + 1] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  (UWord32 *) G729EV_MAIN_OffsetLead8, NULL, NULL, NULL, NULL, NULL, NULL,
  NULL, (UWord32 *) G729EV_MAIN_OffsetLead16
};

const Word16 *G729EV_MAIN_adNbLeadpRat[G729EV_TDAC_N_NBC + 1] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  (Word16 *) G729EV_MAIN_NbLeadpRat8, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  (Word16 *) G729EV_MAIN_NbLeadpRat16,
};

const Word16 G729EV_TDAC_tab_nb_prm_fact[17] = { 0, 0, 1, 2, 2, 3, 3, 4, 4, 4, 4, 5, 5, 6, 6, 6, 6 };

const Word16 G729EV_TDAC_delta_decomp_val[17] = { 0, 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96 };

const Word16 G729EV_TDAC_tab_decomp_val[17 * 6] = {
  0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0,
  1, 0, 0, 0, 0, 0,
  0, 1, 0, 0, 0, 0,
  2, 0, 0, 0, 0, 0,
  0, 0, 1, 0, 0, 0,
  1, 1, 0, 0, 0, 0,
  0, 0, 0, 1, 0, 0,
  3, 0, 0, 0, 0, 0,
  0, 2, 0, 0, 0, 0,
  1, 0, 1, 0, 0, 0,
  0, 0, 0, 0, 1, 0,
  2, 1, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 1,
  1, 0, 0, 1, 0, 0,
  0, 1, 1, 0, 0, 0,
  4, 0, 0, 0, 0, 0
};

const Word16 G729EV_TDAC_tab_decomp_fact[17 * 6] = {
  0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0,
  1, 0, 0, 0, 0, 0,
  1, 1, 0, 0, 0, 0,
  3, 1, 0, 0, 0, 0,
  3, 1, 1, 0, 0, 0,
  4, 2, 1, 0, 0, 0,
  4, 2, 1, 1, 0, 0,
  7, 2, 1, 1, 0, 0,
  7, 4, 1, 1, 0, 0,
  8, 4, 2, 1, 0, 0,
  8, 4, 2, 1, 1, 0,
  10, 5, 2, 1, 1, 0,
  10, 5, 2, 1, 1, 1,
  11, 5, 2, 2, 1, 1,
  11, 6, 3, 2, 1, 1,
  15, 6, 3, 2, 1, 1
};

const Word16 G729EV_TDAC_tab_pow13[3] = { 1, 13, 169 };
const Word16 G729EV_TDAC_tab_pow11[3] = { 1, 11, 121 };
const Word16 G729EV_TDAC_tab_pow7[4] = { 1, 7, 49, 343 };
const Word16 G729EV_TDAC_tab_pow5[5] = { 1, 5, 25, 125, 625 };
const Word16 G729EV_TDAC_tab_pow3[8] = { 1, 3, 9, 27, 81, 243, 729, 2187 };

const Word16 G729EV_table_isqrt[49] = {
  32767, 31790, 30894, 30070, 29309, 28602, 27945, 27330, 26755, 26214,
  25705, 25225, 24770, 24339, 23930, 23541, 23170, 22817, 22479, 22155,
  21845, 21548, 21263, 20988, 20724, 20470, 20225, 19988, 19760, 19539,
  19326, 19119, 18919, 18725, 18536, 18354, 18176, 18004, 17837, 17674,
  17515, 17361, 17211, 17064, 16921, 16782, 16646, 16514, 16384
};


/*********************************************************/
/* TDBWE table for mean time envelope quantization (Q10) */
/*********************************************************/

const Word16 G729EV_TDBWE_MEAN_TIME_ENV_cb[32] = {
  (Word16) - 3072, (Word16) - 2048, (Word16) - 1024, (Word16) - 512,
  (Word16) 0, (Word16) 512, (Word16) 1024, (Word16) 1536,
  (Word16) 2048, (Word16) 2560, (Word16) 3072, (Word16) 3584,
  (Word16) 4096, (Word16) 4608, (Word16) 5120, (Word16) 5632,
  (Word16) 6144, (Word16) 6656, (Word16) 7168, (Word16) 7680,
  (Word16) 8192, (Word16) 8704, (Word16) 9216, (Word16) 10240,
  (Word16) 11264, (Word16) 11776, (Word16) 12288, (Word16) 12800,
  (Word16) - 1536, (Word16) 9728, (Word16) 10752, (Word16) - 2560
};


/*********************************************************/
/* TDBWE tables for time envelope quantization (Q10)     */
/*********************************************************/

const Word16 G729EV_TDBWE_TIME_ENV_cb[1024] = {
  (Word16) - 4082, (Word16) - 4082, (Word16) - 3061, (Word16) - 2041,
  (Word16) 1020, (Word16) 2041, (Word16) 1020, (Word16) 1020,
  (Word16) - 4082, (Word16) - 3061, (Word16) 0, (Word16) 1020,
  (Word16) 1020, (Word16) 1020, (Word16) 1020, (Word16) 1020,
  (Word16) - 3061, (Word16) - 3061, (Word16) - 3061, (Word16) - 3061,
  (Word16) - 3061, (Word16) - 2041, (Word16) - 1020, (Word16) 2041,
  (Word16) - 3061, (Word16) - 3061, (Word16) - 3061, (Word16) - 3061,
  (Word16) - 2041, (Word16) 1020, (Word16) 2041, (Word16) 2041,
  (Word16) - 2041, (Word16) - 2041, (Word16) - 2041, (Word16) - 2041,
  (Word16) - 2041, (Word16) - 2041, (Word16) - 2041, (Word16) - 2041,
  (Word16) - 2041, (Word16) - 2041, (Word16) - 2041, (Word16) - 1020,
  (Word16) - 1020, (Word16) 0, (Word16) 0, (Word16) 0,
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  (Word16) 0, (Word16) 0, (Word16) 0, (Word16) 0,
  (Word16) - 2041, (Word16) - 1020, (Word16) 2041, (Word16) 4082,
  (Word16) 3061, (Word16) 3061, (Word16) 3061, (Word16) 3061,
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  (Word16) 0, (Word16) 3061, (Word16) 4082, (Word16) 4082,
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  (Word16) - 1020, (Word16) - 1020, (Word16) 1020, (Word16) 1020,
  (Word16) 0, (Word16) 0, (Word16) - 1020, (Word16) - 1020,
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  (Word16) 1020, (Word16) 1020, (Word16) 0, (Word16) 0,
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