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_SIGNAL_MODEL_H_
12 #define MODULES_AUDIO_PROCESSING_NS_SIGNAL_MODEL_H_
13 
14 #include <array>
15 
16 #include "modules/audio_processing/ns/ns_common.h"
17 
18 namespace webrtc {
19 
20 struct SignalModel {
21   SignalModel();
22   SignalModel(const SignalModel&) = delete;
23   SignalModel& operator=(const SignalModel&) = delete;
24 
25   float lrt;
26   float spectral_diff;
27   float spectral_flatness;
28   // Log LRT factor with time-smoothing.
29   std::array<float, kFftSizeBy2Plus1> avg_log_lrt;
30 };
31 
32 }  // namespace webrtc
33 
34 #endif  // MODULES_AUDIO_PROCESSING_NS_SIGNAL_MODEL_H_
35