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      1 /********************************************************************
      2  *                                                                  *
      3  * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
      4  * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
      5  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
      6  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
      7  *                                                                  *
      8  * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009             *
      9  * by the Xiph.Org Foundation http://www.xiph.org/                  *
     10  *                                                                  *
     11  ********************************************************************
     12 
     13  function: 16kHz settings
     14  last mod: $Id: psych_16.h 16227 2009-07-08 06:58:46Z xiphmont $
     15 
     16  ********************************************************************/
     17 
     18 /* stereo mode by base quality level */
     19 static const adj_stereo _psy_stereo_modes_16[4]={
     20   /*  0   1   2   3   4   5   6   7   8   9  10  11  12  13  14  */
     21   {{  4,  4,  4,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3},
     22    {  6,  5,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4},
     23    {  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  3,  3,  4,  4},
     24    { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
     25   {{  4,  4,  4,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3},
     26    {  6,  5,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4},
     27    {  2,  2,  2,  2,  2,  2,  2,  2,  2,  3,  4,  4,  4,  4,  4},
     28    { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
     29   {{  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3},
     30    {  5,  4,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3},
     31    {  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4},
     32    { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
     33   {{  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0},
     34    {  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0},
     35    {  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8},
     36    { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
     37 };
     38 
     39 static const double _psy_lowpass_16[4]={6.5,8,30.,99.};
     40 
     41 static const att3 _psy_tone_masteratt_16[4]={
     42   {{ 30,  25,  12},  0,   0},  /* 0 */
     43   {{ 25,  22,  12},  0,   0},  /* 0 */
     44   {{ 20,  12,   0},  0,   0},  /* 0 */
     45   {{ 15,   0, -14},  0,   0}, /* 0 */
     46 };
     47 
     48 static const vp_adjblock _vp_tonemask_adj_16[4]={
     49   /* adjust for mode zero */
     50   /* 63     125     250     500       1     2     4     8    16 */
     51   {{-20,-20,-20,-20,-20,-16,-10,  0,  0, 0, 0,10, 0, 0, 0, 0, 0}}, /* 0 */
     52   {{-20,-20,-20,-20,-20,-16,-10,  0,  0, 0, 0,10, 0, 0, 0, 0, 0}}, /* 1 */
     53   {{-20,-20,-20,-20,-20,-16,-10,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0}}, /* 2 */
     54   {{-30,-30,-30,-30,-30,-26,-20,-10, -5, 0, 0, 0, 0, 0, 0, 0, 0}}, /* 2 */
     55 };
     56 
     57 
     58 static const noise3 _psy_noisebias_16_short[4]={
     59   /*  63     125     250     500      1k       2k      4k      8k     16k*/
     60   {{{-15,-15,-15,-15,-15,-10,-10,-5,   4, 10, 10, 10, 10, 12, 12, 14, 20},
     61     {-15,-15,-15,-15,-15,-10,-10, -5,  0,  0,  4,  5,  5,  6,  8,  8, 15},
     62     {-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -6, -6}}},
     63 
     64   {{{-15,-15,-15,-15,-15,-10,-10,-5,   4,  6,  6,  6,  6,  8, 10, 12, 20},
     65     {-15,-15,-15,-15,-15,-15,-15,-10, -5, -5, -5,  4,  5,  6,  8,  8, 15},
     66     {-30,-30,-30,-30,-30,-24,-20,-14,-10,-10,-10,-10,-10,-10,-10,-10,-10}}},
     67 
     68   {{{-15,-15,-15,-15,-15,-12,-10, -8,  0,  2,  4,  4,  5,  5,  5,  8, 12},
     69     {-20,-20,-20,-20,-16,-12,-20,-14,-10,-10, -8,  0,  0,  0,  0,  2,  5},
     70     {-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
     71 
     72   {{{-15,-15,-15,-15,-15,-12,-10, -8, -5, -5, -5, -5, -5,  0,  0,  0,  6},
     73     {-30,-30,-30,-30,-26,-22,-20,-14,-12,-12,-10,-10,-10,-10,-10,-10, -6},
     74     {-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
     75 };
     76 
     77 static const noise3 _psy_noisebias_16_impulse[4]={
     78   /*  63     125     250     500      1k       2k      4k      8k     16k*/
     79   {{{-15,-15,-15,-15,-15,-10,-10,-5,   4, 10, 10, 10, 10, 12, 12, 14, 20},
     80     {-15,-15,-15,-15,-15,-10,-10, -5,  0,  0,  4,  5,  5,  6,  8,  8, 15},
     81     {-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -6, -6}}},
     82 
     83   {{{-15,-15,-15,-15,-15,-10,-10,-5,   4,  4,  4,  4,  5,  5,  6,  8, 15},
     84     {-15,-15,-15,-15,-15,-15,-15,-10, -5, -5, -5,  0,  0,  0,  0,  4, 10},
     85     {-30,-30,-30,-30,-30,-24,-20,-14,-10,-10,-10,-10,-10,-10,-10,-10,-10}}},
     86 
     87   {{{-15,-15,-15,-15,-15,-12,-10, -8,  0,  0,  0,  0,  0,  0,  0,  4, 10},
     88     {-20,-20,-20,-20,-16,-12,-20,-14,-10,-10,-10,-10,-10,-10,-10, -7, -5},
     89     {-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
     90 
     91   {{{-15,-15,-15,-15,-15,-12,-10, -8, -5, -5, -5, -5, -5,  0,  0,  0,  6},
     92     {-30,-30,-30,-30,-26,-22,-20,-18,-18,-18,-20,-20,-20,-20,-20,-20,-16},
     93     {-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
     94 };
     95 
     96 static const noise3 _psy_noisebias_16[4]={
     97   /*  63     125     250     500      1k       2k      4k      8k     16k*/
     98   {{{-10,-10,-10,-10, -5, -5, -5,  0,  4,  6,  8,  8, 10, 10, 10, 14, 20},
     99     {-10,-10,-10,-10,-10, -5, -2, -2,  0,  0,  0,  4,  5,  6,  8,  8, 15},
    100     {-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -6, -6}}},
    101 
    102   {{{-10,-10,-10,-10, -5, -5, -5,  0,  4,  6,  6,  6,  6,  8, 10, 12, 20},
    103     {-15,-15,-15,-15,-15,-10, -5, -5,  0,  0,  0,  4,  5,  6,  8,  8, 15},
    104     {-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, -6, -6, -6}}},
    105 
    106   {{{-15,-15,-15,-15,-15,-12,-10, -8,  0,  2,  4,  4,  5,  5,  5,  8, 12},
    107     {-20,-20,-20,-20,-16,-12,-20,-10, -5, -5,  0,  0,  0,  0,  0,  2,  5},
    108     {-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
    109 
    110   {{{-15,-15,-15,-15,-15,-12,-10, -8, -5, -5, -5, -5, -5,  0,  0,  0,  6},
    111     {-30,-30,-30,-30,-26,-22,-20,-14,-12,-12,-10,-10,-10,-10,-10,-10, -6},
    112     {-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24,-20,-20,-20}}},
    113 };
    114 
    115 static const noiseguard _psy_noiseguards_16[4]={
    116   {10,10,-1},
    117   {10,10,-1},
    118   {20,20,-1},
    119   {20,20,-1},
    120 };
    121 
    122 static const double _noise_thresh_16[4]={ .3,.5,.5,.5 };
    123 
    124 static const int _noise_start_16[3]={ 256,256,9999 };
    125 static const int _noise_part_16[4]={ 8,8,8,8 };
    126 
    127 static const int _psy_ath_floater_16[4]={
    128   -100,-100,-100,-105,
    129 };
    130 
    131 static const int _psy_ath_abs_16[4]={
    132   -130,-130,-130,-140,
    133 };
    134