Digital signal coding apparatus, digital signal decoding apparatus, digital signal arithmetic coding method and digital signal arithmetic decoding method

Digital signal coding apparatus, digital signal decoding apparatus, digital signal arithmetic coding method and digital signal arithmetic decoding method

  • CN 101,686,059 A
  • Filed: 04/10/2003
  • Published: 03/31/2010
  • Est. Priority Date: 04/25/2002
  • Status: Active Application
First Claim
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1. digital signal coding apparatus is cut apart digital signal and is carried out compressed encoding with set unit, it is characterized in that:

  • Comprise arithmetic coding portion, compress the digital signal of set unit, and this arithmetic coding portion is the information of the initial condition of the arithmetic coding during with the coding that shows certain unit of transfer of beginning, carry out multiplexing as the part of the data of unit of transfer with arithmetic coding.

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