Methods and apparatus for decoding and displaying different...

Details Methods and apparatus for decoding and displaying different... Methods and apparatus for decoding and displaying different...

2007-08-15

2009-08-11

Senfi, Behrooz (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C348S567000

Reexamination Certificate

active

07573938

ABSTRACT:
Methods and apparatus for implementing a reduced cost HDTV/SDTV video decoder are disclosed. The described joint video decoder is capable of decoding HDTV pictures at approximately the resolution of standard definition television pictures and can be used to decode HDTV and/or SDTV pictures. The described video decoder may be used as part of a picture-in-picture decoder circuit for providing picture-in-picture capability without providing multiple full resolution video decoders. The reduction in decoder circuit complexity is achieved through the use of a plurality of data reduction techniques including the use of a preparser, downsampling, and truncating pixel values.

REFERENCES:
patent: 6563876 (2003-05-01), Boyce et al.
patent: 7173970 (2007-02-01), Boyce et al.
patent: 7295611 (2007-11-01), Boyce et al.

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