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view libs/vorbis/modes/psych_8.h @ 0:b2f14e535253

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author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 01 Feb 2014 19:58:19 +0200
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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: 8kHz psychoacoustic settings
14 last mod: $Id: psych_8.h 16227 2009-07-08 06:58:46Z xiphmont $
15
16 ********************************************************************/
17
18 static const att3 _psy_tone_masteratt_8[3]={
19 {{ 32, 25, 12}, 0, 0}, /* 0 */
20 {{ 30, 25, 12}, 0, 0}, /* 0 */
21 {{ 20, 0, -14}, 0, 0}, /* 0 */
22 };
23
24 static const vp_adjblock _vp_tonemask_adj_8[3]={
25 /* adjust for mode zero */
26 /* 63 125 250 500 1 2 4 8 16 */
27 {{-15,-15,-15,-15,-10,-10, -6, 0, 0, 0, 0,10, 0, 0,99,99,99}}, /* 1 */
28 {{-15,-15,-15,-15,-10,-10, -6, 0, 0, 0, 0,10, 0, 0,99,99,99}}, /* 1 */
29 {{-15,-15,-15,-15,-10,-10, -6, 0, 0, 0, 0, 0, 0, 0,99,99,99}}, /* 1 */
30 };
31
32
33 static const noise3 _psy_noisebias_8[3]={
34 /* 63 125 250 500 1k 2k 4k 8k 16k*/
35 {{{-10,-10,-10,-10, -5, -5, -5, 0, 4, 8, 8, 8, 10, 10, 99, 99, 99},
36 {-10,-10,-10,-10, -5, -5, -5, 0, 0, 4, 4, 4, 4, 4, 99, 99, 99},
37 {-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, 99, 99, 99}}},
38
39 {{{-10,-10,-10,-10, -5, -5, -5, 0, 4, 8, 8, 8, 10, 10, 99, 99, 99},
40 {-10,-10,-10,-10,-10,-10, -5, -5, -5, 0, 0, 0, 0, 0, 99, 99, 99},
41 {-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, 99, 99, 99}}},
42
43 {{{-15,-15,-15,-15,-15,-12,-10, -8, 0, 2, 4, 4, 5, 5, 99, 99, 99},
44 {-30,-30,-30,-30,-26,-22,-20,-14,-12,-12,-10,-10,-10,-10, 99, 99, 99},
45 {-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24, 99, 99, 99}}},
46 };
47
48 /* stereo mode by base quality level */
49 static const adj_stereo _psy_stereo_modes_8[3]={
50 /* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 */
51 {{ 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3},
52 { 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4},
53 { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
54 { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
55 {{ 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3},
56 { 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4},
57 { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
58 { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
59 {{ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3},
60 { 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4},
61 { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
62 { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},
63 };
64
65 static const noiseguard _psy_noiseguards_8[2]={
66 {10,10,-1},
67 {10,10,-1},
68 };
69
70 static const compandblock _psy_compand_8[2]={
71 {{
72 0, 1, 2, 3, 4, 5, 6, 7, /* 7dB */
73 8, 8, 9, 9,10,10,11, 11, /* 15dB */
74 12,12,13,13,14,14,15, 15, /* 23dB */
75 16,16,17,17,17,18,18, 19, /* 31dB */
76 19,19,20,21,22,23,24, 25, /* 39dB */
77 }},
78 {{
79 0, 1, 2, 3, 4, 5, 6, 6, /* 7dB */
80 7, 7, 6, 6, 5, 5, 4, 4, /* 15dB */
81 3, 3, 3, 4, 5, 6, 7, 8, /* 23dB */
82 9,10,11,12,13,14,15, 16, /* 31dB */
83 17,18,19,20,21,22,23, 24, /* 39dB */
84 }},
85 };
86
87 static const double _psy_lowpass_8[3]={3.,4.,4.};
88 static const int _noise_start_8[2]={
89 64,64,
90 };
91 static const int _noise_part_8[2]={
92 8,8,
93 };
94
95 static const int _psy_ath_floater_8[3]={
96 -100,-100,-105,
97 };
98
99 static const int _psy_ath_abs_8[3]={
100 -130,-130,-140,
101 };