Method of identifying multiple digital streams within a...

Details Method of identifying multiple digital streams within a... Method of identifying multiple digital streams within a...

2007-11-20

2007-11-20

Barrón, Jr., Gilberto (Department: 2131)

Cryptography

Video cryptography

Video electric signal modification

C380S200000, C380S210000, C380S240000, C713S193000

Reexamination Certificate

active

09729523

ABSTRACT:
In a subscriber television system with a host terminal, the present invention allows the identification of the individual packets from two separate MPEG transport streams that have been multiplexed together for decoding by a single external conditional access or point-of-deployment (POD) module. The decoding of individual packets from two separate MPEG transport streams supports the use of multiple tuner host terminals for such functions as picture-in-picture (PIP) program viewing and the viewing of one program while recording a second program.

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