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Using multipe watermarks to protect content material

  • US 20030056101A1
  • Filed: 09/20/2001
  • Published: 03/20/2003
  • Est. Priority Date: 09/20/2001
  • Status: Active Grant
First Claim
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1. A watermark encoding system comprising:

  • a plurality of watermark systems, each watermark system being configured to provide a different type of watermark, and a watermarking selector that is configured to receive content material and to provide therefrom watermarked content material comprising at least two different types of watermarks, wherein, the watermarking selector identifies a first segment of the content material for watermarking via a first watermark system of the plurality of watermark systems, and a second segment of the content material for watermarking via a second watermark system of the plurality of watermark systems.

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