1 /* 2 * Copyright (c) 2019 The WebRTC project authors. All Rights Reserved. 3 * 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 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef MODULES_AUDIO_PROCESSING_NS_PRIOR_SIGNAL_MODEL_ESTIMATOR_H_ 12 #define MODULES_AUDIO_PROCESSING_NS_PRIOR_SIGNAL_MODEL_ESTIMATOR_H_ 13 14 #include "modules/audio_processing/ns/histograms.h" 15 #include "modules/audio_processing/ns/prior_signal_model.h" 16 17 namespace webrtc { 18 19 // Estimator of the prior signal model parameters. 20 class PriorSignalModelEstimator { 21 public: 22 explicit PriorSignalModelEstimator(float lrt_initial_value); 23 PriorSignalModelEstimator(const PriorSignalModelEstimator&) = delete; 24 PriorSignalModelEstimator& operator=(const PriorSignalModelEstimator&) = 25 delete; 26 27 // Updates the model estimate. 28 void Update(const Histograms& h); 29 30 // Returns the estimated model. get_prior_model()31 const PriorSignalModel& get_prior_model() const { return prior_model_; } 32 33 private: 34 PriorSignalModel prior_model_; 35 }; 36 37 } // namespace webrtc 38 39 #endif // MODULES_AUDIO_PROCESSING_NS_PRIOR_SIGNAL_MODEL_ESTIMATOR_H_ 40