Robust Speech Watermarking Procedure in the Time-Frequency Domain

被引：0
|
作者：
Srdjan Stanković
Irena Orović
Nikola Žarić
机构：
[1] University of Montenegro,Electrical Engineering Department
来源：
EURASIP Journal on Advances in Signal Processing | / 2008卷
关键词：
Information Technology; Quantum Information; Signal Analysis; Theoretical Consideration; Modeling Procedure;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
An approach to speech watermarking based on the time-frequency signal analysis is proposed. As a time-frequency representation suitable for speech analysis, the S-method is used. The time-frequency characteristics of watermark are modeled by using speech components in the selected region. The modeling procedure is based on the concept of time-varying filtering. A detector form that includes cross-terms in the Wigner distribution is proposed. Theoretical considerations are illustrated by the examples. Efficiency of the proposed procedure has been tested for several signals and under various attacks.
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