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A Digital Content Protection Scheme Using MPEG-21 REL with Applications to DVB Systems
Pasadena, California, USA December 18-December 20
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/IIH-MSP.2006.62006 International Conference on Inte ...
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Ying-Tzu Shih, National Chiao Tung University, Taiwan
Feng-Cheng Chang, National Chiao Tung University, Taiwan
Hsueh-Ming Hang, National Chiao Tung University, Taiwan
In a digital TV system, the Conditional Access (CA) system is essential to protect programs from unauthorized access. However, the encryption technique alone is not sufficient to protect or control the use of contents after decryption. To provide flexible and complete Digital Rights Management (DRM) protection on the Digital Video Broadcasting (DVB) programs, we propose a method that adapts the MPEG- 21 REL technology and integrates it into a DVB-T system. By extending the Service Information (SI) section of a DVB stream to include an REL license, the transmitted content can be conveniently consumed and legally protected. Our design is verified by an experimental hardware system. The results show that the proposed method can provide both the conditional access functionality and the usage control of broadcasted contents.
Citation:
Ying-Tzu Shih, Feng-Cheng Chang, Hsueh-Ming Hang, "A Digital Content Protection Scheme Using MPEG-21 REL with Applications to DVB Systems," iih-msp, pp.67-70, 2006 International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP'06), 2006
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