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Methods for managing content using intentional degradation and insertion of steganographic codes

  • US 7,983,443 B2
  • Filed: 03/03/2009
  • Issued: 07/19/2011
  • Est. Priority Date: 05/08/1995
  • Status: Expired due to Fees
First Claim
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1. A method of managing media content, comprising:

  • providing a media signal in which perceptible portions are intentionally degraded in perceptual quality;

    in response to receiving authorization, transforming the media signal into a higher quality media signal in which the intentional degradation is corrected, including embedding an identifying code into the higher quality media signal, wherein the intentionally degraded portions are formed by adding a perceptible noise signal to the media content.

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