Patent ID: 7587601
Filing Date: 2009-09-08
Classification: G06F,G06T,G11B,H04L,H04N

Abstract:
1. A method of tracking audio or video content comprising: utilizing a processor or electronic processing circuitry, decoding a first forensic identifier in a digital watermark, the first forensic identifier being associated with a forensic database, the first digital watermark having previously been embedded in the audio or video content; and utilizing a processor or electronic processing circuitry, decoding a second forensic identifier, the second forensic identifier being associated with a content user, the second forensic identifier being carried with the audio or video content, the first forensic identifier and the second forensic identifier were embedded in the audio or video content at remote embedding locations, and the first forensic identifier is associated with information in a first server, and the second forensic identifier is associated with information in both the first server and in a second server that is remotely located with respect to the first server.