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Method and apparatus for digitally processing a high definition television augmentation signal

  • US 5,179,442 A
  • Filed: 11/26/1990
  • Issued: 01/12/1993
  • Est. Priority Date: 06/02/1989
  • Status: Expired due to Term
First Claim
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1. An apparatus for decoding a video signal, said video signal comprising a plurality of coded components encoded thereon by deriving a plurality of signal components from a video source signal comprising a plurality of frames which are partitioned into a plurality of separate blocks and processed on a block by block basis so as to determined the activity of each block, digitizing each of said signal components, coding each of said digitized signal components in a manner optimized for each respective component, and modulating said coded components to form said video signal, said apparatus comprising:

  • a) demodulation means for deriving from said video signal, said coded components;

    b) means for decoding each of each coded components in a manner optimized for each of said respective components so as to form a plurality of decoded components; and

    c) means for combining said decoded components into a video display.

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