Video signal processor including input codeword buffer for provi

Details Video signal processor including input codeword buffer for provi Video signal processor including input codeword buffer for provi

1993-04-02

1995-04-25

Kostak, Victor R.

Television

Bandwidth reduction system

Individual processing of different parts of image frequency...

348397, 348437, H04N 0712

Patent

active

054103550

ABSTRACT:
Variable length codewords representing high definition television image information are processed by a codeword analyzr for prioritizing codewords within a predetermined codeword group. A single FIFO rate buffer conveys codewords subject to analysis to the analyzer. A succeeding codeword group is written into the buffer when a current codeword group is being analyzed, at which time buffer read out is inhibited. In an illustrated embodiment, buffer read out is inhibited, and codeword analysis begins, when MPEG Picture Start or Slice Start codewords associated with the succeeding codeword group approach the buffer output. Buffer read out is enabled at the end of the analysis interval.

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