webrtc/modules/audio_processing/ns/ns_common.h
Per Åhgren 0cbb58e046 Reland "Refactoring of the noise suppressor and adding true multichannel support"
This is a reland of 87a7b82520

Original change's description:
> Refactoring of the noise suppressor and adding true multichannel support
> 
> This CL adds proper multichannel support to the noise suppressor.
> To accomplish that in a safe way, a full refactoring of the noise
> suppressor code has been done.
> 
> Due to floating point precision, the changes made are not entirely
> bitexact. They are, however, very close to being bitexact.
> 
> As a safety measure, the former noise suppressor code is preserved
> and a kill-switch is added to allow revering to the legacy noise
> suppressor in case issues arise.
> 
> Bug: webrtc:10895, b/143344262
> Change-Id: I0b071011b23265ac12e6d4b3956499d122286657
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/158407
> Commit-Queue: Per Åhgren <peah@webrtc.org>
> Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#29646}

Bug: webrtc:10895, b/143344262
Change-Id: I236f1e67bb0baa4e30908a4cf7a8a7bb55fbced3
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/158747
Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
Commit-Queue: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29663}
2019-10-31 11:56:01 +00:00

34 lines
1.1 KiB
C++

/*
* Copyright (c) 2019 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 MODULES_AUDIO_PROCESSING_NS_NS_COMMON_H_
#define MODULES_AUDIO_PROCESSING_NS_NS_COMMON_H_
#include <cstddef>
namespace webrtc {
constexpr size_t kFftSize = 256;
constexpr size_t kFftSizeBy2Plus1 = kFftSize / 2 + 1;
constexpr size_t kNsFrameSize = 160;
constexpr size_t kOverlapSize = kFftSize - kNsFrameSize;
constexpr int kShortStartupPhaseBlocks = 50;
constexpr int kLongStartupPhaseBlocks = 200;
constexpr int kFeatureUpdateWindowSize = 500;
constexpr float kLtrFeatureThr = 0.5f;
constexpr float kBinSizeLrt = 0.1f;
constexpr float kBinSizeSpecFlat = 0.05f;
constexpr float kBinSizeSpecDiff = 0.1f;
} // namespace webrtc
#endif // MODULES_AUDIO_PROCESSING_NS_NS_COMMON_H_