| /* |
| ** Copyright 2003-2010, VisualOn, Inc. |
| ** |
| ** 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. |
| */ |
| |
| |
| /*-----------------------------------------------------* |
| | Table of lag_window for autocorrelation. | |
| | noise floor = 1.0001 = (0.9999 on r[1] ..r[16]) | |
| | Bandwidth expansion = 60 Hz | |
| | Sampling frequency = 12800 Hz | |
| | | |
| | Special double precision format. See "math_op.c" | |
| | | |
| | lag_wind[0] = 1.00000000 (not stored) | |
| | lag_wind[1] = 0.99946642 | |
| | lag_wind[2] = 0.99816680 | |
| | lag_wind[3] = 0.99600452 | |
| | lag_wind[4] = 0.99298513 | |
| | lag_wind[5] = 0.98911655 | |
| | lag_wind[6] = 0.98440880 | |
| | lag_wind[7] = 0.97887397 | |
| | lag_wind[8] = 0.97252619 | |
| | lag_wind[9] = 0.96538186 | |
| | lag_wind[10]= 0.95745903 | |
| | lag_wind[11]= 0.94877797 | |
| | lag_wind[12]= 0.93936038 | |
| | lag_wind[13]= 0.92922986 | |
| | lag_wind[14]= 0.91841155 | |
| | lag_wind[15]= 0.90693212 | |
| | lag_wind[16]= 0.89481968 | |
| ------------------------------------------------------*/ |
| |
| #define M 16 |
| |
| static Word16 volag_h[M] = { |
| 32750, |
| 32707, |
| 32637, |
| 32538, |
| 32411, |
| 32257, |
| 32075, |
| 31867, |
| 31633, |
| 31374, |
| 31089, |
| 30780, |
| 30449, |
| 30094, |
| 29718, |
| 29321}; |
| |
| static Word16 volag_l[M] = { |
| 16896, |
| 30464, |
| 2496, |
| 4480, |
| 12160, |
| 3520, |
| 24320, |
| 24192, |
| 20736, |
| 576, |
| 18240, |
| 31488, |
| 128, |
| 16704, |
| 11520, |
| 14784}; |