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Robust Audio Watermarking Using Frequency Coefficient Analysis for MP3 Compression Attack  

Jeong Won-Kyo (대구대학교 정보통신공학과)
Lee Kyeong-Hwan (위덕대학교 게임학부)
Woo Hong-Chae (대구대학교 정보통신공학과)
Lee Yong-Doo (대구대학교 정보통신공학과)
Publication Information
The Journal of the Acoustical Society of Korea / v.24, no.8, 2005 , pp. 492-497 More about this Journal
Abstract
In this paper, we suggest that the new volume of robust audio watermarking method protects form the MP3 compression attack, mostly used in audio field. Watermarks were inserted at the coefficients repeatedly from low frequencies to high frequencies after DCT transform in commonly used Cox's spread spectrum method. However, our method could be investigated losing frequency when MP3 attacks and make order by small amount of losing frequency and then insert watermarks rightly through statistical analysis. In the result about various sound clips, the suggested method have better performances than Cox's method by preserving watermarks and reducing distortions of the original sounds.
Keywords
Audio contents protection; Watermarking; MP3; DCT; Soread spectrum;
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