Digital video processor with subvideo processor

Details Digital video processor with subvideo processor Digital video processor with subvideo processor

1997-04-02

1999-11-30

Kostak, Victor R.

Television

Basic receiver with additional function

For display of additional information

345113, 348566, 348569, H04N 514

Patent

active

059951613

ABSTRACT:
An improved architecture for a digital video processor that processes subvideo data to be superimposed on a main video image during a display image scanning process. The improved digital video processor divides and partitions the execution of subvideo data between a programable CPU and a dedicated hardware processor. The CPU is used to process the simpler, less time critical, nonpixel data, and the more complex, more time critical pixel data is processed in real time using a dedicated hardware processor operating under the control of the CPU. The improved digital video processor is adaptable to process subvideo data being supplied in different data formats.

REFERENCES:
patent: 4746983 (1988-05-01), Hakemada
patent: 5675397 (1997-10-01), Yamaguchi et al.
patent: 5699077 (1997-12-01), Hosotani
patent: 5801785 (1998-09-01), Crump et al.

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