1 /* 2 * Copyright (C) 2004-2010 NXP Software 3 * Copyright (C) 2010 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 19 #ifndef __LVEQNB_COEFFS_H__ 20 #define __LVEQNB_COEFFS_H__ 21 22 23 /************************************************************************************/ 24 /* */ 25 /* Gain table for (10^(Gain/20) - 1) */ 26 /* */ 27 /************************************************************************************/ 28 #ifdef BUILD_FLOAT 29 #define LVEQNB_Gain_Neg15_dB (-0.822172f) 30 #define LVEQNB_Gain_Neg14_dB (-0.800474f) 31 #define LVEQNB_Gain_Neg13_dB (-0.776128f) 32 #define LVEQNB_Gain_Neg12_dB (-0.748811f) 33 #define LVEQNB_Gain_Neg11_dB (-0.718162f) 34 #define LVEQNB_Gain_Neg10_dB (-0.683772f) 35 #define LVEQNB_Gain_Neg9_dB (-0.645187f) 36 #define LVEQNB_Gain_Neg8_dB (-0.601893f) 37 #define LVEQNB_Gain_Neg7_dB (-0.553316f) 38 #define LVEQNB_Gain_Neg6_dB (-0.498813f) 39 #define LVEQNB_Gain_Neg5_dB (-0.437659f) 40 #define LVEQNB_Gain_Neg4_dB (-0.369043f) 41 #define LVEQNB_Gain_Neg3_dB (-0.292054f) 42 #define LVEQNB_Gain_Neg2_dB (-0.205672f) 43 #define LVEQNB_Gain_Neg1_dB (-0.108749f) 44 #define LVEQNB_Gain_0_dB 0.000000f 45 #define LVEQNB_Gain_1_dB 0.122018f 46 #define LVEQNB_Gain_2_dB 0.258925f 47 #define LVEQNB_Gain_3_dB 0.412538f 48 #define LVEQNB_Gain_4_dB 0.584893f 49 #define LVEQNB_Gain_5_dB 0.778279f 50 #define LVEQNB_Gain_6_dB 0.995262f 51 #define LVEQNB_Gain_7_dB 1.238721f 52 #define LVEQNB_Gain_8_dB 1.511886f 53 #define LVEQNB_Gain_9_dB 1.818383f 54 #define LVEQNB_Gain_10_dB 2.162278f 55 #define LVEQNB_Gain_11_dB 2.548134f 56 #define LVEQNB_Gain_12_dB 2.981072f 57 #define LVEQNB_Gain_13_dB 3.466836f 58 #define LVEQNB_Gain_14_dB 4.011872f 59 #define LVEQNB_Gain_15_dB 4.623413f 60 #else 61 #define LVEQNB_GAINSHIFT 11 /* As a power of 2 */ 62 #define LVEQNB_Gain_Neg15_dB (-1684) /* Floating point value -0.822172 */ 63 #define LVEQNB_Gain_Neg14_dB (-1639) /* Floating point value -0.800474 */ 64 #define LVEQNB_Gain_Neg13_dB (-1590) /* Floating point value -0.776128 */ 65 #define LVEQNB_Gain_Neg12_dB (-1534) /* Floating point value -0.748811 */ 66 #define LVEQNB_Gain_Neg11_dB (-1471) /* Floating point value -0.718162 */ 67 #define LVEQNB_Gain_Neg10_dB (-1400) /* Floating point value -0.683772 */ 68 #define LVEQNB_Gain_Neg9_dB (-1321) /* Floating point value -0.645187 */ 69 #define LVEQNB_Gain_Neg8_dB (-1233) /* Floating point value -0.601893 */ 70 #define LVEQNB_Gain_Neg7_dB (-1133) /* Floating point value -0.553316 */ 71 #define LVEQNB_Gain_Neg6_dB (-1022) /* Floating point value -0.498813 */ 72 #define LVEQNB_Gain_Neg5_dB (-896) /* Floating point value -0.437659 */ 73 #define LVEQNB_Gain_Neg4_dB (-756) /* Floating point value -0.369043 */ 74 #define LVEQNB_Gain_Neg3_dB (-598) /* Floating point value -0.292054 */ 75 #define LVEQNB_Gain_Neg2_dB (-421) /* Floating point value -0.205672 */ 76 #define LVEQNB_Gain_Neg1_dB (-223) /* Floating point value -0.108749 */ 77 #define LVEQNB_Gain_0_dB 0 /* Floating point value 0.000000 */ 78 #define LVEQNB_Gain_1_dB 250 /* Floating point value 0.122018 */ 79 #define LVEQNB_Gain_2_dB 530 /* Floating point value 0.258925 */ 80 #define LVEQNB_Gain_3_dB 845 /* Floating point value 0.412538 */ 81 #define LVEQNB_Gain_4_dB 1198 /* Floating point value 0.584893 */ 82 #define LVEQNB_Gain_5_dB 1594 /* Floating point value 0.778279 */ 83 #define LVEQNB_Gain_6_dB 2038 /* Floating point value 0.995262 */ 84 #define LVEQNB_Gain_7_dB 2537 /* Floating point value 1.238721 */ 85 #define LVEQNB_Gain_8_dB 3096 /* Floating point value 1.511886 */ 86 #define LVEQNB_Gain_9_dB 3724 /* Floating point value 1.818383 */ 87 #define LVEQNB_Gain_10_dB 4428 /* Floating point value 2.162278 */ 88 #define LVEQNB_Gain_11_dB 5219 /* Floating point value 2.548134 */ 89 #define LVEQNB_Gain_12_dB 6105 /* Floating point value 2.981072 */ 90 #define LVEQNB_Gain_13_dB 7100 /* Floating point value 3.466836 */ 91 #define LVEQNB_Gain_14_dB 8216 /* Floating point value 4.011872 */ 92 #define LVEQNB_Gain_15_dB 9469 /* Floating point value 4.623413 */ 93 #endif 94 95 /************************************************************************************/ 96 /* */ 97 /* Frequency table for 2*Pi/Fs */ 98 /* */ 99 /************************************************************************************/ 100 #ifdef BUILD_FLOAT 101 #define LVEQNB_2PiOn_8000 0.000785f 102 #define LVEQNB_2PiOn_11025 0.000570f 103 #define LVEQNB_2PiOn_12000 0.000524f 104 #define LVEQNB_2PiOn_16000 0.000393f 105 #define LVEQNB_2PiOn_22050 0.000285f 106 #define LVEQNB_2PiOn_24000 0.000262f 107 #define LVEQNB_2PiOn_32000 0.000196f 108 #define LVEQNB_2PiOn_44100 0.000142f 109 #define LVEQNB_2PiOn_48000 0.000131f 110 111 #ifdef HIGHER_FS 112 #define LVEQNB_2PiOn_96000 0.000065f 113 #define LVEQNB_2PiOn_192000 0.000033f 114 #endif 115 116 #else 117 #define LVEQNB_FREQSHIFT 25 /* As a power of 2 */ 118 #define LVEQNB_2PiOn_8000 26354 /* Floating point value 0.000785 */ 119 #define LVEQNB_2PiOn_11025 19123 /* Floating point value 0.000570 */ 120 #define LVEQNB_2PiOn_12000 17569 /* Floating point value 0.000524 */ 121 #define LVEQNB_2PiOn_16000 13177 /* Floating point value 0.000393 */ 122 #define LVEQNB_2PiOn_22050 9561 /* Floating point value 0.000285 */ 123 #define LVEQNB_2PiOn_24000 8785 /* Floating point value 0.000262 */ 124 #define LVEQNB_2PiOn_32000 6588 /* Floating point value 0.000196 */ 125 #define LVEQNB_2PiOn_44100 4781 /* Floating point value 0.000142 */ 126 #define LVEQNB_2PiOn_48000 4392 /* Floating point value 0.000131 */ 127 #endif 128 129 /************************************************************************************/ 130 /* */ 131 /* 50D table for 50 / ( 1 + Gain ) */ 132 /* */ 133 /************************************************************************************/ 134 #ifdef BUILD_FLOAT 135 #define LVEQNB_100D_Neg15_dB 5.623413f 136 #define LVEQNB_100D_Neg14_dB 5.011872f 137 #define LVEQNB_100D_Neg13_dB 4.466836f 138 #define LVEQNB_100D_Neg12_dB 3.981072f 139 #define LVEQNB_100D_Neg11_dB 3.548134f 140 #define LVEQNB_100D_Neg10_dB 3.162278f 141 #define LVEQNB_100D_Neg9_dB 2.818383f 142 #define LVEQNB_100D_Neg8_dB 2.511886f 143 #define LVEQNB_100D_Neg7_dB 2.238721f 144 #define LVEQNB_100D_Neg6_dB 1.995262f 145 #define LVEQNB_100D_Neg5_dB 1.778279f 146 #define LVEQNB_100D_Neg4_dB 1.584893f 147 #define LVEQNB_100D_Neg3_dB 1.412538f 148 #define LVEQNB_100D_Neg2_dB 1.258925f 149 #define LVEQNB_100D_Neg1_dB 1.122018f 150 #define LVEQNB_100D_0_dB 1.000000f 151 #else 152 #define LVEQNB_100DSHIFT 5 /* As a power of 2 */ 153 #define LVEQNB_100D_Neg15_dB 17995 /* Floating point value 5.623413 */ 154 #define LVEQNB_100D_Neg14_dB 16038 /* Floating point value 5.011872 */ 155 #define LVEQNB_100D_Neg13_dB 14294 /* Floating point value 4.466836 */ 156 #define LVEQNB_100D_Neg12_dB 12739 /* Floating point value 3.981072 */ 157 #define LVEQNB_100D_Neg11_dB 11354 /* Floating point value 3.548134 */ 158 #define LVEQNB_100D_Neg10_dB 10119 /* Floating point value 3.162278 */ 159 #define LVEQNB_100D_Neg9_dB 9019 /* Floating point value 2.818383 */ 160 #define LVEQNB_100D_Neg8_dB 8038 /* Floating point value 2.511886 */ 161 #define LVEQNB_100D_Neg7_dB 7164 /* Floating point value 2.238721 */ 162 #define LVEQNB_100D_Neg6_dB 6385 /* Floating point value 1.995262 */ 163 #define LVEQNB_100D_Neg5_dB 5690 /* Floating point value 1.778279 */ 164 #define LVEQNB_100D_Neg4_dB 5072 /* Floating point value 1.584893 */ 165 #define LVEQNB_100D_Neg3_dB 4520 /* Floating point value 1.412538 */ 166 #define LVEQNB_100D_Neg2_dB 4029 /* Floating point value 1.258925 */ 167 #define LVEQNB_100D_Neg1_dB 3590 /* Floating point value 1.122018 */ 168 #define LVEQNB_100D_0_dB 3200 /* Floating point value 1.000000 */ 169 #endif 170 171 #endif 172
