table_set.m

ofdm是比较常用的调制方式

% here is some table used in the program .They are all constant value.It is
% based on the G722 standard

%%********  Transmit QMF Variable Declarations  *******%
% Start to Code%
	%* TQMF delay samples %
    %* Quantizer Lookup Tables */
    
 h(1:24) = [           %* TQMF filter coeficients %
    12   -44  -44  212    48   -624   128   1448   -840  -3220     3804 15504 15504   3804  -3220    -840   1448    128  -624       48    212   -44    -44     12];



 decis_levl(1:30) = [	%* Decision Levels: Pre-multiplied by 8 %)
   280  576  880 1200 1520 1864 2208 2584  2960 3376 3784 4240 4696 5200 5712 6288   6864 7520 8184  8968  9752 10712 11664 12896  14120   15840   17560  20456 23352  32767
];
 quant26bt_pos(1:31) = [ % 6-bit positive quantization values %
    61    60    59    58    57    56    55    54    53    52    51    50    49    48    47    46    45    44    43    42    41    40    39    38    37    36    35    34    33    32    32];
 quant26bt_neg(1:31) = [  % 6-bit negative quantization values %
    63    62    31    30    29    28    27    26    25    24    23    22    21    20    19    18    17    16    15    14    13    12    11    10     9     8     7     6     5     4     4];

% Inverse Quantizer Lookup Tables %
 qq4_code4_table(1:16) =[     0  -20456  -12896   -8968   -6288   -4240   -2584   -1200  20456   12896    8968    6288    4240    2584    1200    0];
  qq5_code5_table(1:32) =[  -280    -280  -23352  -17560  -14120  -11664   -9752   -8184 -6864   -5712   -4696   -3784   -2960   -2208   -1520    -880  23352   17560   14120   11664    9752    8184    6864    5712  4696    3784    2960    2208    1520     880     280    -280];
 qq6_code6_table(1:64) = [  -136    -136    -136    -136  -24808  -21904  -19008  -16704 -14984  -13512  -12280  -11192  -10232   -9360   -8576   -7856 -7192   -6576   -6000   -5456   -4944   -4464   -4008   -3576 -3168   -2776   -2400   -2032   -1688   -1360   -1040    -728 24808   21904   19008   16704   14984   13512   12280   11192 10232    9360    8576    7856    7192    6576    6000    5456  4944    4464    4008    3576    3168    2776    2400    2032  1688    1360    1040     728     432     136    -432    -136];
 qq2_code2_table(1:4) = [  -7408   -1616   7408  1616];

% Quantizer Adaptation Values %
 wl_code_table(1:16) = [   -60  3042  1198   538   334   172    58   -30  3042  1198   538   334   172    58   -30   -60];
 wh_code_table(1:4) = [   798   -214    798   -214];
 wl_table(1:8) = [   -60   -30    58   172   334   538  1198  3042];
 ilb_table(1:32) =[  2048  2093  2139  2186  2233  2282  2332  2383  2435  2489  2543  2599  2656  2714  2774  2834  2896  2960  3025  3091  3158  3228  3298  3371  3444  3520  3597  3676  3756  3838  3922  4008];