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 WEBRTC_MODULES_AUDIO_PROCESSING_VAD_COMMON_H_ 12 #define WEBRTC_MODULES_AUDIO_PROCESSING_VAD_COMMON_H_ 13 14 static const int kSampleRateHz = 16000; 15 static const size_t kLength10Ms = kSampleRateHz / 100; 16 static const size_t kMaxNumFrames = 4; 17 18 struct AudioFeatures { 19 double log_pitch_gain[kMaxNumFrames]; 20 double pitch_lag_hz[kMaxNumFrames]; 21 double spectral_peak[kMaxNumFrames]; 22 double rms[kMaxNumFrames]; 23 size_t num_frames; 24 bool silence; 25 }; 26 27 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_VAD_COMMON_H_ 28
