blob: 87d7145cf5cace303fbd20e710bd6b3ed0997caa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
* Copyright (C) 2004-2010 NXP Software
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __LVEQNB_COEFFS_H__
#define __LVEQNB_COEFFS_H__
/************************************************************************************/
/* */
/* Gain table for (10^(Gain/20) - 1) */
/* */
/************************************************************************************/
#define LVEQNB_GAINSHIFT 11 /* As a power of 2 */
#define LVEQNB_Gain_Neg15_dB -1684 /* Floating point value -0.822172 */
#define LVEQNB_Gain_Neg14_dB -1639 /* Floating point value -0.800474 */
#define LVEQNB_Gain_Neg13_dB -1590 /* Floating point value -0.776128 */
#define LVEQNB_Gain_Neg12_dB -1534 /* Floating point value -0.748811 */
#define LVEQNB_Gain_Neg11_dB -1471 /* Floating point value -0.718162 */
#define LVEQNB_Gain_Neg10_dB -1400 /* Floating point value -0.683772 */
#define LVEQNB_Gain_Neg9_dB -1321 /* Floating point value -0.645187 */
#define LVEQNB_Gain_Neg8_dB -1233 /* Floating point value -0.601893 */
#define LVEQNB_Gain_Neg7_dB -1133 /* Floating point value -0.553316 */
#define LVEQNB_Gain_Neg6_dB -1022 /* Floating point value -0.498813 */
#define LVEQNB_Gain_Neg5_dB -896 /* Floating point value -0.437659 */
#define LVEQNB_Gain_Neg4_dB -756 /* Floating point value -0.369043 */
#define LVEQNB_Gain_Neg3_dB -598 /* Floating point value -0.292054 */
#define LVEQNB_Gain_Neg2_dB -421 /* Floating point value -0.205672 */
#define LVEQNB_Gain_Neg1_dB -223 /* Floating point value -0.108749 */
#define LVEQNB_Gain_0_dB 0 /* Floating point value 0.000000 */
#define LVEQNB_Gain_1_dB 250 /* Floating point value 0.122018 */
#define LVEQNB_Gain_2_dB 530 /* Floating point value 0.258925 */
#define LVEQNB_Gain_3_dB 845 /* Floating point value 0.412538 */
#define LVEQNB_Gain_4_dB 1198 /* Floating point value 0.584893 */
#define LVEQNB_Gain_5_dB 1594 /* Floating point value 0.778279 */
#define LVEQNB_Gain_6_dB 2038 /* Floating point value 0.995262 */
#define LVEQNB_Gain_7_dB 2537 /* Floating point value 1.238721 */
#define LVEQNB_Gain_8_dB 3096 /* Floating point value 1.511886 */
#define LVEQNB_Gain_9_dB 3724 /* Floating point value 1.818383 */
#define LVEQNB_Gain_10_dB 4428 /* Floating point value 2.162278 */
#define LVEQNB_Gain_11_dB 5219 /* Floating point value 2.548134 */
#define LVEQNB_Gain_12_dB 6105 /* Floating point value 2.981072 */
#define LVEQNB_Gain_13_dB 7100 /* Floating point value 3.466836 */
#define LVEQNB_Gain_14_dB 8216 /* Floating point value 4.011872 */
#define LVEQNB_Gain_15_dB 9469 /* Floating point value 4.623413 */
/************************************************************************************/
/* */
/* Frequency table for 2*Pi/Fs */
/* */
/************************************************************************************/
#define LVEQNB_FREQSHIFT 25 /* As a power of 2 */
#define LVEQNB_2PiOn_8000 26354 /* Floating point value 0.000785 */
#define LVEQNB_2PiOn_11025 19123 /* Floating point value 0.000570 */
#define LVEQNB_2PiOn_12000 17569 /* Floating point value 0.000524 */
#define LVEQNB_2PiOn_16000 13177 /* Floating point value 0.000393 */
#define LVEQNB_2PiOn_22050 9561 /* Floating point value 0.000285 */
#define LVEQNB_2PiOn_24000 8785 /* Floating point value 0.000262 */
#define LVEQNB_2PiOn_32000 6588 /* Floating point value 0.000196 */
#define LVEQNB_2PiOn_44100 4781 /* Floating point value 0.000142 */
#define LVEQNB_2PiOn_48000 4392 /* Floating point value 0.000131 */
/************************************************************************************/
/* */
/* 50D table for 50 / ( 1 + Gain ) */
/* */
/************************************************************************************/
#define LVEQNB_100DSHIFT 5 /* As a power of 2 */
#define LVEQNB_100D_Neg15_dB 17995 /* Floating point value 5.623413 */
#define LVEQNB_100D_Neg14_dB 16038 /* Floating point value 5.011872 */
#define LVEQNB_100D_Neg13_dB 14294 /* Floating point value 4.466836 */
#define LVEQNB_100D_Neg12_dB 12739 /* Floating point value 3.981072 */
#define LVEQNB_100D_Neg11_dB 11354 /* Floating point value 3.548134 */
#define LVEQNB_100D_Neg10_dB 10119 /* Floating point value 3.162278 */
#define LVEQNB_100D_Neg9_dB 9019 /* Floating point value 2.818383 */
#define LVEQNB_100D_Neg8_dB 8038 /* Floating point value 2.511886 */
#define LVEQNB_100D_Neg7_dB 7164 /* Floating point value 2.238721 */
#define LVEQNB_100D_Neg6_dB 6385 /* Floating point value 1.995262 */
#define LVEQNB_100D_Neg5_dB 5690 /* Floating point value 1.778279 */
#define LVEQNB_100D_Neg4_dB 5072 /* Floating point value 1.584893 */
#define LVEQNB_100D_Neg3_dB 4520 /* Floating point value 1.412538 */
#define LVEQNB_100D_Neg2_dB 4029 /* Floating point value 1.258925 */
#define LVEQNB_100D_Neg1_dB 3590 /* Floating point value 1.122018 */
#define LVEQNB_100D_0_dB 3200 /* Floating point value 1.000000 */
#endif
|
