2910357621
This CL adds two changes: -Adaptive adjustment of the echo suppression to both cover the cases when the echo path well covers the room, and when when it does not. -Identification of the case when the echo is too low to be audible and adaptive handling of this case in the echo suppression. BUG=webrtc:7519, webrtc:7956,webrtc:7957 Review-Url: https://codereview.webrtc.org/2974583004 Cr-Commit-Position: refs/heads/master@{#18962}
44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
/*
|
|
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_H_
|
|
#define WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_H_
|
|
|
|
#include <array>
|
|
|
|
#include "webrtc/modules/audio_processing/aec3/aec3_common.h"
|
|
#include "webrtc/modules/audio_processing/aec3/fft_data.h"
|
|
|
|
namespace webrtc {
|
|
|
|
// Stores the values being returned from the echo subtractor.
|
|
struct SubtractorOutput {
|
|
std::array<float, kBlockSize> s_main;
|
|
std::array<float, kBlockSize> e_main;
|
|
std::array<float, kBlockSize> e_shadow;
|
|
FftData E_main;
|
|
std::array<float, kFftLengthBy2Plus1> E2_main;
|
|
std::array<float, kFftLengthBy2Plus1> E2_shadow;
|
|
|
|
void Reset() {
|
|
s_main.fill(0.f);
|
|
e_main.fill(0.f);
|
|
e_shadow.fill(0.f);
|
|
E_main.re.fill(0.f);
|
|
E_main.im.fill(0.f);
|
|
E2_main.fill(0.f);
|
|
E2_shadow.fill(0.f);
|
|
}
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_H_
|