1 /*
2  *  Copyright (c) 2012 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_VAD_COMMON_H_
12 #define MODULES_AUDIO_PROCESSING_VAD_COMMON_H_
13 
14 #include <stddef.h>
15 
16 static const int kSampleRateHz = 16000;
17 static const size_t kLength10Ms = kSampleRateHz / 100;
18 static const size_t kMaxNumFrames = 4;
19 
20 struct AudioFeatures {
21   double log_pitch_gain[kMaxNumFrames];
22   double pitch_lag_hz[kMaxNumFrames];
23   double spectral_peak[kMaxNumFrames];
24   double rms[kMaxNumFrames];
25   size_t num_frames;
26   bool silence;
27 };
28 
29 #endif  // MODULES_AUDIO_PROCESSING_VAD_COMMON_H_
30