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_AGC_UTILITY_H_
12 #define MODULES_AUDIO_PROCESSING_AGC_UTILITY_H_
13 
14 namespace webrtc {
15 
16 // TODO(turajs): Add description of function.
17 double Loudness2Db(double loudness);
18 
19 double Linear2Loudness(double rms);
20 
21 double Db2Loudness(double db);
22 
23 double Dbfs2Loudness(double dbfs);
24 
25 }  // namespace webrtc
26 
27 #endif  // MODULES_AUDIO_PROCESSING_AGC_UTILITY_H_
28