|  | /* | 
|  | *  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 WEBRTC_MODULES_AUDIO_PROCESSING_AGC_UTILITY_H_ | 
|  | #define WEBRTC_MODULES_AUDIO_PROCESSING_AGC_UTILITY_H_ | 
|  |  | 
|  | // TODO(turajs): Add description of function. | 
|  | double Loudness2Db(double loudness); | 
|  |  | 
|  | double Linear2Loudness(double rms); | 
|  |  | 
|  | double Db2Loudness(double db); | 
|  |  | 
|  | double Dbfs2Loudness(double dbfs); | 
|  |  | 
|  | #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_AGC_UTILITY_H_ |