Data compression systems and methods

  • US 8,502,707 B2
  • Filed: 02/09/2010
  • Issued: 08/06/2013
  • Est. Priority Date: 12/11/1998
  • Status: Expired due to Term
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First Claim
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1. A method comprising:

  • receiving a data block in a received form;

    performing a first compression technique comprising;

    compressing said data block in received form with a first encoder to provide a first compressed data block, andcompressing said first compressed data block with a second encoder to provide a second compressed data block;

    comparing said second compressed data block against a threshold, wherein said threshold is indicative of data expansion; and

    providing said second compressed data block to a device, if no data expansion is determined to have occurred based on said comparing.

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