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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