Securing media content with steganographic encoding

CAFC
  • US 7,248,717 B2
  • Filed: 07/27/2005
  • Issued: 07/24/2007
  • Est. Priority Date: 11/16/1994
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method comprising:

  • receiving audio or image content;

    steganographically encoding auxiliary information in the audio or image content,wherein the steganographic encoding includes a local strength that varies in accordance with perceptual attributes of the audio or image content, andwherein the auxiliary information indicates permitted usage rights associated with the audio or image content; and

    distributing the steganographically encoded audio or image content.

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