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Watermark Synchronization Signals Conveying Payload Data

  • US 20100322466A1
  • Filed: 01/22/2010
  • Published: 12/23/2010
  • Est. Priority Date: 12/21/2000
  • Status: Active Grant
First Claim
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1. A method of altering audio data to steganographically encode a digital watermark therein, the watermark having a synchronization signal component that facilitates subsequent discernment of a transformation to which the encoded audio has been subjected, the watermark also including a payload component that conveys plural bits of payload data, wherein the method includes using a processor device to process the synchronization signal component to serve as a carrier of bits of payload data.

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