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LOSSLESS DATA CODING FOR BIDIRECTIONAL COMMUNICATION IN A COLLABORATIVE SESSION OF MULTIMEDIA CONTENT EXCHANGE

  • US 20140219295A1
  • Filed: 03/01/2012
  • Published: 08/07/2014
  • Est. Priority Date: 03/03/2011
  • Status: Active Grant
First Claim
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1. A method for lossless data coding applied by a piece of transmitter equipment, in bidirectional communication with at least one piece of receiver equipment in a collaborative session of exchange of multimedia contents, this method including:

  • during said session, at least;

    one step for exchanging, with said at least one piece of receiver equipment, at least one attribute of a collaboration message which may be used in said session and an index associated with this attribute, said attribute and its index being used by said equipment for updating a shared dictionary of indexed attributes, this dictionary being stored in memory by each of said pieces of equipment during the whole duration of the session;

    one step for substituting, in a collaboration message intended to be sent to said at least one piece of receiver equipment, at least one attribute with its index in said shared dictionary;

    one step for sending said collaboration message to said at least one piece of receiver equipment; and

    one step for destroying said shared dictionary at the end of said session.

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