Digital Audio Watermarking Techniques for the security of VOIP Communications

被引：0
作者：
Er, Fusun C. [1 ]
Gul, Ensar [2 ]
机构：
[1] PhER Technol, Istanbul, Turkey
[2] Marmara Univ, Fac Engn, Dept Comp Engn, Comp Engn, Istanbul, Turkey
来源：
JOURNAL OF INFORMATION ASSURANCE AND SECURITY | 2012年 / 7卷 / 03期
关键词：
VoIP Authentication; Audio Watermarking; Session Initiation protocol; voice codecs;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Digital Audio Watermarking techniques can be used as a lightweight security mechanism for source origin authentication in voice over IP (VOIP) systems. During the transportation phase of VOIP audio-marked voice packets are used as a source origin indicator. In this paper several audio watermarking algorithms were evaluated to demonstrate the applicability of the source authentication solution in terms of certain parameters such as: robustness, evaluation time, complexity and capacity. The effects of the audio watermarking were also measured using the Signal-to-Noise ratio and watermark extraction times. The evaluated VOIP codecs are: G711 a-law and u-law, GSM, G723.1 and ILBC.
引用
收藏
页码：147 / 155
页数：9
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