webrtc/modules/audio_processing/aec3/aec3_common.h - Issue 2974583004: Transparency improvements in the echo canceller 3

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Issue 2974583004: Transparency improvements in the echo canceller 3 (Closed)

Patch Set: Corrected wrong echo estimate vector in unittest Created 3 years, 5 months ago

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1 /*	1 /*

2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.	2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.

3 *	3 *

4 * Use of this source code is governed by a BSD-style license	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	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	6 * tree. An additional intellectual property rights grant can be found

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

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

9 */	9 */

10	10

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26	26

27 enum class Aec3Optimization { kNone, kSse2, kNeon };	27 enum class Aec3Optimization { kNone, kSse2, kNeon };

28	28

29 constexpr int kNumBlocksPerSecond = 250;	29 constexpr int kNumBlocksPerSecond = 250;

30	30

31 constexpr int kMetricsReportingIntervalBlocks = 10 * kNumBlocksPerSecond;	31 constexpr int kMetricsReportingIntervalBlocks = 10 * kNumBlocksPerSecond;

32 constexpr int kMetricsComputationBlocks = 9;	32 constexpr int kMetricsComputationBlocks = 9;

33 constexpr int kMetricsCollectionBlocks =	33 constexpr int kMetricsCollectionBlocks =

34 kMetricsReportingIntervalBlocks - kMetricsComputationBlocks;	34 kMetricsReportingIntervalBlocks - kMetricsComputationBlocks;

35	35

36 constexpr int kAdaptiveFilterLength = 12;

37 constexpr int kResidualEchoPowerRenderWindowSize = 30;

38

39 constexpr size_t kFftLengthBy2 = 64;	36 constexpr size_t kFftLengthBy2 = 64;

40 constexpr size_t kFftLengthBy2Plus1 = kFftLengthBy2 + 1;	37 constexpr size_t kFftLengthBy2Plus1 = kFftLengthBy2 + 1;

41 constexpr size_t kFftLengthBy2Minus1 = kFftLengthBy2 - 1;	38 constexpr size_t kFftLengthBy2Minus1 = kFftLengthBy2 - 1;

42 constexpr size_t kFftLength = 2 * kFftLengthBy2;	39 constexpr size_t kFftLength = 2 * kFftLengthBy2;

43	40

	41 constexpr int kAdaptiveFilterLength = 12;

	42 constexpr int kResidualEchoPowerRenderWindowSize = 30;

	43 constexpr int kAdaptiveFilterTimeDomainLength =

	44 kAdaptiveFilterLength * kFftLengthBy2;

	45

44 constexpr size_t kMaxNumBands = 3;	46 constexpr size_t kMaxNumBands = 3;

45 constexpr size_t kSubFrameLength = 80;	47 constexpr size_t kSubFrameLength = 80;

46	48

47 constexpr size_t kBlockSize = kFftLengthBy2;	49 constexpr size_t kBlockSize = kFftLengthBy2;

48 constexpr size_t kExtendedBlockSize = 2 * kFftLengthBy2;	50 constexpr size_t kExtendedBlockSize = 2 * kFftLengthBy2;

49 constexpr size_t kSubBlockSize = 16;	51 constexpr size_t kSubBlockSize = 16;

50	52

51 constexpr size_t kNumMatchedFilters = 4;	53 constexpr size_t kNumMatchedFilters = 4;

52 constexpr size_t kMatchedFilterWindowSizeSubBlocks = 32;	54 constexpr size_t kMatchedFilterWindowSizeSubBlocks = 32;

53 constexpr size_t kMatchedFilterAlignmentShiftSizeSubBlocks =	55 constexpr size_t kMatchedFilterAlignmentShiftSizeSubBlocks =

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105 static_assert(ValidFullBandRate(32000),	107 static_assert(ValidFullBandRate(32000),

106 "Test that 32 kHz is a valid sample rate");	108 "Test that 32 kHz is a valid sample rate");

107 static_assert(ValidFullBandRate(48000),	109 static_assert(ValidFullBandRate(48000),

108 "Test that 48 kHz is a valid sample rate");	110 "Test that 48 kHz is a valid sample rate");

109 static_assert(!ValidFullBandRate(8001),	111 static_assert(!ValidFullBandRate(8001),

110 "Test that 8001 Hz is not a valid sample rate");	112 "Test that 8001 Hz is not a valid sample rate");

111	113

112 } // namespace webrtc	114 } // namespace webrtc

113	115

114 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_AEC3_COMMON_H_	116 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_AEC3_COMMON_H_

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