Digital data transmission apparatus, digital data reception...

Details Digital data transmission apparatus, digital data reception... Digital data transmission apparatus, digital data reception...

2007-08-21

2007-08-21

An, Shawn S. (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240280, C375S240270, C382S233000, C382S235000, C348S522000, C348S525000

Reexamination Certificate

active

10891107

ABSTRACT:
A multiplexer106conducts time division multiplexing on various data trains input from a digital broadcast reception tuner103and various interfaces104and105while adding packet arrival time correction information. A demultiplexer109demultiplexes time division multiplexed data multiplexed by the multiplexer106,corrects packet arrival time on the basis of the packet arrival time correction information. A PCR correction section110corrects a system clock on the basis of the packet arrival time correction information added by the multiplexer106.As a result, it becomes possible to transfer an MPEG2 stream and other data in concurrent while maintaining program synchronization.

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