|  | /* | 
|  | *  Copyright (c) 2012 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_VAD_COMMON_H_ | 
|  | #define MODULES_AUDIO_PROCESSING_VAD_COMMON_H_ | 
|  |  | 
|  | #include <stddef.h> | 
|  |  | 
|  | static const int kSampleRateHz = 16000; | 
|  | static const size_t kLength10Ms = kSampleRateHz / 100; | 
|  | static const size_t kMaxNumFrames = 4; | 
|  |  | 
|  | struct AudioFeatures { | 
|  | double log_pitch_gain[kMaxNumFrames]; | 
|  | double pitch_lag_hz[kMaxNumFrames]; | 
|  | double spectral_peak[kMaxNumFrames]; | 
|  | double rms[kMaxNumFrames]; | 
|  | size_t num_frames; | 
|  | bool silence; | 
|  | }; | 
|  |  | 
|  | #endif  // MODULES_AUDIO_PROCESSING_VAD_COMMON_H_ |