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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 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 |
11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_INTELLIGIBILITY_INTELLIGIBILITY_ENHANCER
_H_ | 11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_INTELLIGIBILITY_INTELLIGIBILITY_ENHANCER
_H_ |
12 #define WEBRTC_MODULES_AUDIO_PROCESSING_INTELLIGIBILITY_INTELLIGIBILITY_ENHANCER
_H_ | 12 #define WEBRTC_MODULES_AUDIO_PROCESSING_INTELLIGIBILITY_INTELLIGIBILITY_ENHANCER
_H_ |
13 | 13 |
14 #include <complex> | 14 #include <complex> |
15 #include <memory> | 15 #include <memory> |
16 #include <vector> | 16 #include <vector> |
17 | 17 |
18 #include "webrtc/base/swap_queue.h" | 18 #include "webrtc/base/swap_queue.h" |
| 19 #include "webrtc/common_audio/lapped_transform.h" |
19 #include "webrtc/common_audio/channel_buffer.h" | 20 #include "webrtc/common_audio/channel_buffer.h" |
20 #include "webrtc/modules/audio_processing/intelligibility/intelligibility_utils.
h" | 21 #include "webrtc/modules/audio_processing/intelligibility/intelligibility_utils.
h" |
21 #include "webrtc/modules/audio_processing/render_queue_item_verifier.h" | 22 #include "webrtc/modules/audio_processing/render_queue_item_verifier.h" |
22 #include "webrtc/modules/audio_processing/utility/lapped_transform.h" | |
23 #include "webrtc/modules/audio_processing/vad/voice_activity_detector.h" | 23 #include "webrtc/modules/audio_processing/vad/voice_activity_detector.h" |
24 | 24 |
25 namespace webrtc { | 25 namespace webrtc { |
26 | 26 |
27 // Speech intelligibility enhancement module. Reads render and capture | 27 // Speech intelligibility enhancement module. Reads render and capture |
28 // audio streams and modifies the render stream with a set of gains per | 28 // audio streams and modifies the render stream with a set of gains per |
29 // frequency bin to enhance speech against the noise background. | 29 // frequency bin to enhance speech against the noise background. |
30 // Details of the model and algorithm can be found in the original paper: | 30 // Details of the model and algorithm can be found in the original paper: |
31 // http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6882788 | 31 // http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6882788 |
32 class IntelligibilityEnhancer : public LappedTransform::Callback { | 32 class IntelligibilityEnhancer : public LappedTransform::Callback { |
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105 bool is_speech_; | 105 bool is_speech_; |
106 | 106 |
107 std::vector<float> noise_estimation_buffer_; | 107 std::vector<float> noise_estimation_buffer_; |
108 SwapQueue<std::vector<float>, RenderQueueItemVerifier<float>> | 108 SwapQueue<std::vector<float>, RenderQueueItemVerifier<float>> |
109 noise_estimation_queue_; | 109 noise_estimation_queue_; |
110 }; | 110 }; |
111 | 111 |
112 } // namespace webrtc | 112 } // namespace webrtc |
113 | 113 |
114 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_INTELLIGIBILITY_INTELLIGIBILITY_ENHAN
CER_H_ | 114 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_INTELLIGIBILITY_INTELLIGIBILITY_ENHAN
CER_H_ |
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