Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2006-10-24
2006-10-24
Diep, Nhon (Department: 2621)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
C375S240120, C386S349000, C386S349000, C386S349000
Reexamination Certificate
active
07126993
ABSTRACT:
Encoding parameters of picture and higher layers of importance to a number of applications, and encoding parameters of slice and lower layers of no importance to all applications are converted into auxiliary packets inserted respectively into a V-blanking area and an H-blanking area of a video-data signal output by a history-information-multiplexing apparatus employed in a video-decoding system. On the other hand, a video-encoding system extracts back the auxiliary packets superposed on the V-blanking area and the H-blanking area from an input base-band video signal. As a result, a technique of superposing information on data can be changed in accordance with the importance of the information and required information can be fetched with ease.
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Kitamura Takuya
Tahara Katsumi
Ueda Mamoru
Diep Nhon
Frommer William S.
Frommer & Lawrence & Haug LLP
Sony Corporation
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