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Device for encoding n-bit source words into corresponding m-bit channel words and decoding m-bit channel words into corresponding n-bit source words

  • US 6,535,151 B2
  • Filed: 03/20/2002
  • Issued: 03/18/2003
  • Est. Priority Date: 12/21/1998
  • Status: Expired due to Fees
First Claim
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1. A device for encoding a stream of databits of a binary source signal (S) into a stream of databits of a binary channel signal (C), wherein the stream of databits of the source signal is divided into n-bit source words, which device comprises converting means (LC) conceived to convert said n-bit source words into corresponding in-bit channel words of the binary channel signal in accordance with a conversion of the Jacoby type, where m and n are integers, with m>

  • n, characterized in that the device further comprises control means for carrying out stochastic DC-control on said binary channel signal by introducing a freedom of choice in the source-to-channel conversion, wherein said introducing said freedom of choice limits a running digital sum (RDS) of the binary channel signal.

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