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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 #include "webrtc/modules/audio_processing/intelligibility/intelligibility_enhanc
er.h" | 11 #include "webrtc/modules/audio_processing/intelligibility/intelligibility_enhanc
er.h" |
12 | 12 |
13 #include <math.h> | 13 #include <math.h> |
14 #include <stdlib.h> | 14 #include <stdlib.h> |
15 #include <algorithm> | 15 #include <algorithm> |
16 #include <limits> | 16 #include <limits> |
17 #include <numeric> | 17 #include <numeric> |
18 | 18 |
19 #include "webrtc/base/checks.h" | |
20 #include "webrtc/base/logging.h" | |
21 #include "webrtc/base/safe_minmax.h" | |
22 #include "webrtc/common_audio/include/audio_util.h" | 19 #include "webrtc/common_audio/include/audio_util.h" |
23 #include "webrtc/common_audio/window_generator.h" | 20 #include "webrtc/common_audio/window_generator.h" |
| 21 #include "webrtc/rtc_base/checks.h" |
| 22 #include "webrtc/rtc_base/logging.h" |
| 23 #include "webrtc/rtc_base/safe_minmax.h" |
24 | 24 |
25 namespace webrtc { | 25 namespace webrtc { |
26 | 26 |
27 namespace { | 27 namespace { |
28 | 28 |
29 const size_t kErbResolution = 2; | 29 const size_t kErbResolution = 2; |
30 const int kWindowSizeMs = 16; | 30 const int kWindowSizeMs = 16; |
31 const int kChunkSizeMs = 10; // Size provided by APM. | 31 const int kChunkSizeMs = 10; // Size provided by APM. |
32 const float kClipFreqKhz = 0.2f; | 32 const float kClipFreqKhz = 0.2f; |
33 const float kKbdAlpha = 1.5f; | 33 const float kKbdAlpha = 1.5f; |
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382 | 382 |
383 void IntelligibilityEnhancer::DelayHighBands(AudioBuffer* audio) { | 383 void IntelligibilityEnhancer::DelayHighBands(AudioBuffer* audio) { |
384 RTC_DCHECK_EQ(audio->num_bands(), high_bands_buffers_.size() + 1); | 384 RTC_DCHECK_EQ(audio->num_bands(), high_bands_buffers_.size() + 1); |
385 for (size_t i = 0u; i < high_bands_buffers_.size(); ++i) { | 385 for (size_t i = 0u; i < high_bands_buffers_.size(); ++i) { |
386 Band band = static_cast<Band>(i + 1); | 386 Band band = static_cast<Band>(i + 1); |
387 high_bands_buffers_[i]->Delay(audio->split_channels_f(band), chunk_length_); | 387 high_bands_buffers_[i]->Delay(audio->split_channels_f(band), chunk_length_); |
388 } | 388 } |
389 } | 389 } |
390 | 390 |
391 } // namespace webrtc | 391 } // namespace webrtc |
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