webrtc/modules/audio_processing/vad/vad_audio_proc_internal.h - Issue 1181933002: Pull the Voice Activity Detector out from the AGC

Side by Side Diff: webrtc/modules/audio_processing/vad/vad_audio_proc_internal.h

Issue 1181933002: Pull the Voice Activity Detector out from the AGC (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master

Patch Set: Remove unused files from isolate Created 5 years, 6 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View unified diff | Download patch

OLD	NEW
(Empty)
	1 /*

	2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.

	3 *

	4 * Use of this source code is governed by a BSD-style license

	5 * that can be found in the LICENSE file in the root of the source

	6 * tree. An additional intellectual property rights grant can be found

	7 * in the file PATENTS. All contributing project authors may

	8 * be found in the AUTHORS file in the root of the source tree.

	9 */

	10

	11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_VAD_VAD_AUDIO_PROC_INTERNAL_H_

	12 #define WEBRTC_MODULES_AUDIO_PROCESSING_VAD_VAD_AUDIO_PROC_INTERNAL_H_

	13

	14 namespace webrtc {

	15

	16 // These values should match MATLAB counterparts for unit-tests to pass.

	17 static const double kCorrWeight[] = {1.000000,

	18 0.985000,

	19 0.970225,

	20 0.955672,

	21 0.941337,

	22 0.927217,

	23 0.913308,

	24 0.899609,

	25 0.886115,

	26 0.872823,

	27 0.859730,

	28 0.846834,

	29 0.834132,

	30 0.821620,

	31 0.809296,

	32 0.797156,

	33 0.785199};

	34

	35 static const double kLpcAnalWin[] = {

	36 0.00000000, 0.01314436, 0.02628645, 0.03942400, 0.05255473, 0.06567639,

	37 0.07878670, 0.09188339, 0.10496421, 0.11802689, 0.13106918, 0.14408883,

	38 0.15708358, 0.17005118, 0.18298941, 0.19589602, 0.20876878, 0.22160547,

	39 0.23440387, 0.24716177, 0.25987696, 0.27254725, 0.28517045, 0.29774438,

	40 0.31026687, 0.32273574, 0.33514885, 0.34750406, 0.35979922, 0.37203222,

	41 0.38420093, 0.39630327, 0.40833713, 0.42030043, 0.43219112, 0.44400713,

	42 0.45574642, 0.46740697, 0.47898676, 0.49048379, 0.50189608, 0.51322164,

	43 0.52445853, 0.53560481, 0.54665854, 0.55761782, 0.56848075, 0.57924546,

	44 0.58991008, 0.60047278, 0.61093173, 0.62128512, 0.63153117, 0.64166810,

	45 0.65169416, 0.66160761, 0.67140676, 0.68108990, 0.69065536, 0.70010148,

	46 0.70942664, 0.71862923, 0.72770765, 0.73666033, 0.74548573, 0.75418233,

	47 0.76274862, 0.77118312, 0.77948437, 0.78765094, 0.79568142, 0.80357442,

	48 0.81132858, 0.81894256, 0.82641504, 0.83374472, 0.84093036, 0.84797069,

	49 0.85486451, 0.86161063, 0.86820787, 0.87465511, 0.88095122, 0.88709512,

	50 0.89308574, 0.89892206, 0.90460306, 0.91012776, 0.91549520, 0.92070447,

	51 0.92575465, 0.93064488, 0.93537432, 0.93994213, 0.94434755, 0.94858979,

	52 0.95266814, 0.95658189, 0.96033035, 0.96391289, 0.96732888, 0.97057773,

	53 0.97365889, 0.97657181, 0.97931600, 0.98189099, 0.98429632, 0.98653158,

	54 0.98859639, 0.99049038, 0.99221324, 0.99376466, 0.99514438, 0.99635215,

	55 0.99738778, 0.99825107, 0.99894188, 0.99946010, 0.99980562, 0.99997840,

	56 0.99997840, 0.99980562, 0.99946010, 0.99894188, 0.99825107, 0.99738778,

	57 0.99635215, 0.99514438, 0.99376466, 0.99221324, 0.99049038, 0.98859639,

	58 0.98653158, 0.98429632, 0.98189099, 0.97931600, 0.97657181, 0.97365889,

	59 0.97057773, 0.96732888, 0.96391289, 0.96033035, 0.95658189, 0.95266814,

	60 0.94858979, 0.94434755, 0.93994213, 0.93537432, 0.93064488, 0.92575465,

	61 0.92070447, 0.91549520, 0.91012776, 0.90460306, 0.89892206, 0.89308574,

	62 0.88709512, 0.88095122, 0.87465511, 0.86820787, 0.86161063, 0.85486451,

	63 0.84797069, 0.84093036, 0.83374472, 0.82641504, 0.81894256, 0.81132858,

	64 0.80357442, 0.79568142, 0.78765094, 0.77948437, 0.77118312, 0.76274862,

	65 0.75418233, 0.74548573, 0.73666033, 0.72770765, 0.71862923, 0.70942664,

	66 0.70010148, 0.69065536, 0.68108990, 0.67140676, 0.66160761, 0.65169416,

	67 0.64166810, 0.63153117, 0.62128512, 0.61093173, 0.60047278, 0.58991008,

	68 0.57924546, 0.56848075, 0.55761782, 0.54665854, 0.53560481, 0.52445853,

	69 0.51322164, 0.50189608, 0.49048379, 0.47898676, 0.46740697, 0.45574642,

	70 0.44400713, 0.43219112, 0.42030043, 0.40833713, 0.39630327, 0.38420093,

	71 0.37203222, 0.35979922, 0.34750406, 0.33514885, 0.32273574, 0.31026687,

	72 0.29774438, 0.28517045, 0.27254725, 0.25987696, 0.24716177, 0.23440387,

	73 0.22160547, 0.20876878, 0.19589602, 0.18298941, 0.17005118, 0.15708358,

	74 0.14408883, 0.13106918, 0.11802689, 0.10496421, 0.09188339, 0.07878670,

	75 0.06567639, 0.05255473, 0.03942400, 0.02628645, 0.01314436, 0.00000000};

	76

	77 static const int kFilterOrder = 2;

	78 static const float kCoeffNumerator[kFilterOrder + 1] = {0.974827f,

	79 -1.949650f,

	80 0.974827f};

	81 static const float kCoeffDenominator[kFilterOrder + 1] = {1.0f,

	82 -1.971999f,

	83 0.972457f};

	84

	85 static_assert(kFilterOrder + 1 ==

	86 sizeof(kCoeffNumerator) / sizeof(kCoeffNumerator[0]),

	87 "numerator coefficients incorrect size");

	88 static_assert(kFilterOrder + 1 ==

	89 sizeof(kCoeffDenominator) / sizeof(kCoeffDenominator[0]),

	90 "denominator coefficients incorrect size");

	91

	92 } // namespace webrtc

	93

	94 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_VAD_VAD_AUDIO_PROCESSING_H_

OLD	NEW