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