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Associating first and second watermarks with audio or video content

  • US 8,095,989 B2
  • Filed: 03/30/2010
  • Issued: 01/10/2012
  • Est. Priority Date: 03/10/2000
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • obtaining data representing audio or video content;

    using an electronic logic processor, embedding a protect watermark in the data, the protect watermark providing an indication that the data is protected;

    using an electronic logic processor, embedding a rights watermark in the data, the rights watermark providing an indication of user rights associated with rendering the audio or video content, in which the protect watermark is more difficult to remove from the data relative to the rights watermark; and

    reproducing the audio or video content after said acts of embedding a protect watermark in the data and embedding a rights watermark in the data.

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