mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-13 13:50:40 +01:00
c018bae807
git ls-files | grep -e "\(\.h\|\.cc\)$" | grep -e "^modules/" | xargs clang-format -i ; git cl format after landing: add to .git-blame-ignore-revs Bug: webrtc:15082 Change-Id: I2c3cd28740062794f8c10e39d8406aadb9e9a35a Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/301620 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Auto-Submit: Jared Siskin <jtsiskin@meta.com> Cr-Commit-Position: refs/heads/main@{#39901}
46 lines
1.4 KiB
C++
46 lines
1.4 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_QUANTILE_NOISE_ESTIMATOR_H_
|
|
#define MODULES_AUDIO_PROCESSING_NS_QUANTILE_NOISE_ESTIMATOR_H_
|
|
|
|
#include <math.h>
|
|
|
|
#include <array>
|
|
|
|
#include "api/array_view.h"
|
|
#include "modules/audio_processing/ns/ns_common.h"
|
|
|
|
namespace webrtc {
|
|
|
|
constexpr int kSimult = 3;
|
|
|
|
// For quantile noise estimation.
|
|
class QuantileNoiseEstimator {
|
|
public:
|
|
QuantileNoiseEstimator();
|
|
QuantileNoiseEstimator(const QuantileNoiseEstimator&) = delete;
|
|
QuantileNoiseEstimator& operator=(const QuantileNoiseEstimator&) = delete;
|
|
|
|
// Estimate noise.
|
|
void Estimate(rtc::ArrayView<const float, kFftSizeBy2Plus1> signal_spectrum,
|
|
rtc::ArrayView<float, kFftSizeBy2Plus1> noise_spectrum);
|
|
|
|
private:
|
|
std::array<float, kSimult * kFftSizeBy2Plus1> density_;
|
|
std::array<float, kSimult * kFftSizeBy2Plus1> log_quantile_;
|
|
std::array<float, kFftSizeBy2Plus1> quantile_;
|
|
std::array<int, kSimult> counter_;
|
|
int num_updates_ = 1;
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // MODULES_AUDIO_PROCESSING_NS_QUANTILE_NOISE_ESTIMATOR_H_
|