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Reflective binary encoder for vector quantization

  • US 5,021,971 A
  • Filed: 12/07/1989
  • Issued: 06/04/1991
  • Est. Priority Date: 12/07/1989
  • Status: Expired due to Term
First Claim
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1. A reflective binary encoder for vector quantization of a source of formatted digital data, comprising:

  • a plurality of identical two-level branch selectors connected in a cascade pipeline array,each of said branch selectors having an upper level selector and a lower level selector,each of said upper and said lower level selectors being provided with a pair of inputs and a pair of outputs which define an upper level pipeline and a lower level return pipeline,means connecting said pairs of outputs of said upper level selectors to corresponding pairs of inputs of ones of said upper level selectors in said pipeline array,means connecting said pair of outputs of said lower level selectors to corresponding pairs of inputs of ones of said lower level selectors in said return pipeline array,the pair of outputs of said last upper level selector being connected to the pair of inputs of its own lower level selector,one of the pair of inputs of said first upper level selector being connected to said source of formatted digital data and the other of said pair of inputs of said first upper level selector being connected to an initialization pointer source, andone of the pair of the outputs of said first lower level two branch selector providing a compressed data vector output.

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