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  • US 8,644,548 B2
  • Filed: 09/21/2011
  • Issued: 02/04/2014
  • Est. Priority Date: 04/16/1998
  • Status: Expired due to Fees
First Claim
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1. A method comprising;

  • obtaining first audio content or first video content, wherein the first audio content or first video content includes a steganographic signal embedded therein;

    determining at least one compression characteristic associated with the embedded first audio content or first video content using at least a programmed electronic processor; and

    adjusting steganographic embedding of second audio content or second video content based at least in part on the compression characteristic.

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