Patent ID: 6847681
Filing Date: 2005-01-25
Classification: H04N

Abstract:
1. A data processing system, comprising a data compression decoder arranged in operation to decode first encoded data to produce first uncompressed data, said first uncompressed data being representative of first source data from which the first encoded data was produced in accordance with a compression encoding algorithm, said data compression decoder also producing first compression parameter data representative of decisions made by said compression encoding algorithm when said first source data was compression encoded, a communications processor operable to store said first parameter data in a data store, and to communicate said first uncompressed data, second uncompressed data, and said first parameter data on request via a data communications apparatus to one of a data processor or a data compression encoder, said data compression encoder being operable to compression encode a combination of said first and second uncompressed data in accordance with said compression encoding algorithm using said first parameter data, wherein said data communications apparatus is operable to communicate said first and second uncompressed data, and said first parameter data separately via a communications channel provided by said data communications apparatus.