Method of enhancing a program stream

Details Method of enhancing a program stream Method of enhancing a program stream

2011-03-15

2011-03-15

Vu, Huy D (Department: 2461)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

C370S442000, C370S498000

Reexamination Certificate

active

07907642

ABSTRACT:
A content comprises contiguous blocks containing a program stream and interleaved blocks containing interleaved program streams, wherein the program streams are divided into program units and are readable independently of one another, and the occurrence of consecutive interleaved blocks is forbidden. The content is enhanced as follows. Each program unit of the enhancement program stream is associated with a program unit of the original program stream. The enhancement program stream is interleaved in the content at the program unit level such that enhancement program units are as close as possible to the original program unit they are associated with. The occurrence of consecutive interleaved block is avoided; and the original program units point to the enhancement program units they are associated with.

REFERENCES:
patent: 5966352 (1999-10-01), Sawabe et al.
patent: 2001/0038746 (2001-11-01), Hughes et al.

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