xref: /aosp_15_r20/external/webrtc/modules/audio_processing/vad/common.h (revision d9f758449e529ab9291ac668be2861e7a55c2422)
1*d9f75844SAndroid Build Coastguard Worker /*
2*d9f75844SAndroid Build Coastguard Worker  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
3*d9f75844SAndroid Build Coastguard Worker  *
4*d9f75844SAndroid Build Coastguard Worker  *  Use of this source code is governed by a BSD-style license
5*d9f75844SAndroid Build Coastguard Worker  *  that can be found in the LICENSE file in the root of the source
6*d9f75844SAndroid Build Coastguard Worker  *  tree. An additional intellectual property rights grant can be found
7*d9f75844SAndroid Build Coastguard Worker  *  in the file PATENTS.  All contributing project authors may
8*d9f75844SAndroid Build Coastguard Worker  *  be found in the AUTHORS file in the root of the source tree.
9*d9f75844SAndroid Build Coastguard Worker  */
10*d9f75844SAndroid Build Coastguard Worker 
11*d9f75844SAndroid Build Coastguard Worker #ifndef MODULES_AUDIO_PROCESSING_VAD_COMMON_H_
12*d9f75844SAndroid Build Coastguard Worker #define MODULES_AUDIO_PROCESSING_VAD_COMMON_H_
13*d9f75844SAndroid Build Coastguard Worker 
14*d9f75844SAndroid Build Coastguard Worker #include <stddef.h>
15*d9f75844SAndroid Build Coastguard Worker 
16*d9f75844SAndroid Build Coastguard Worker static const int kSampleRateHz = 16000;
17*d9f75844SAndroid Build Coastguard Worker static const size_t kLength10Ms = kSampleRateHz / 100;
18*d9f75844SAndroid Build Coastguard Worker static const size_t kMaxNumFrames = 4;
19*d9f75844SAndroid Build Coastguard Worker 
20*d9f75844SAndroid Build Coastguard Worker struct AudioFeatures {
21*d9f75844SAndroid Build Coastguard Worker   double log_pitch_gain[kMaxNumFrames];
22*d9f75844SAndroid Build Coastguard Worker   double pitch_lag_hz[kMaxNumFrames];
23*d9f75844SAndroid Build Coastguard Worker   double spectral_peak[kMaxNumFrames];
24*d9f75844SAndroid Build Coastguard Worker   double rms[kMaxNumFrames];
25*d9f75844SAndroid Build Coastguard Worker   size_t num_frames;
26*d9f75844SAndroid Build Coastguard Worker   bool silence;
27*d9f75844SAndroid Build Coastguard Worker };
28*d9f75844SAndroid Build Coastguard Worker 
29*d9f75844SAndroid Build Coastguard Worker #endif  // MODULES_AUDIO_PROCESSING_VAD_COMMON_H_
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