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| 1 /* | 1 /* |
| 2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2013 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_TRANSIENT_TRANSIENT_SUPPRESSOR_H_ | 11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_TRANSIENT_TRANSIENT_SUPPRESSOR_H_ |
| 12 #define WEBRTC_MODULES_AUDIO_PROCESSING_TRANSIENT_TRANSIENT_SUPPRESSOR_H_ | 12 #define WEBRTC_MODULES_AUDIO_PROCESSING_TRANSIENT_TRANSIENT_SUPPRESSOR_H_ |
| 13 | 13 |
| 14 #include <deque> | 14 #include <deque> |
| 15 #include <memory> | 15 #include <memory> |
| 16 #include <set> | 16 #include <set> |
| 17 | 17 |
| 18 #include "webrtc/rtc_base/gtest_prod_util.h" | 18 #include "webrtc/base/gtest_prod_util.h" |
| 19 #include "webrtc/typedefs.h" | 19 #include "webrtc/typedefs.h" |
| 20 | 20 |
| 21 namespace webrtc { | 21 namespace webrtc { |
| 22 | 22 |
| 23 class TransientDetector; | 23 class TransientDetector; |
| 24 | 24 |
| 25 // Detects transients in an audio stream and suppress them using a simple | 25 // Detects transients in an audio stream and suppress them using a simple |
| 26 // restoration algorithm that attenuates unexpected spikes in the spectrum. | 26 // restoration algorithm that attenuates unexpected spikes in the spectrum. |
| 27 class TransientSuppressor { | 27 class TransientSuppressor { |
| 28 public: | 28 public: |
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| 111 int chunks_since_voice_change_; | 111 int chunks_since_voice_change_; |
| 112 | 112 |
| 113 uint32_t seed_; | 113 uint32_t seed_; |
| 114 | 114 |
| 115 bool using_reference_; | 115 bool using_reference_; |
| 116 }; | 116 }; |
| 117 | 117 |
| 118 } // namespace webrtc | 118 } // namespace webrtc |
| 119 | 119 |
| 120 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_TRANSIENT_TRANSIENT_SUPPRESSOR_H_ | 120 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_TRANSIENT_TRANSIENT_SUPPRESSOR_H_ |
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