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Subliminally embedded keys in video for synchronization

  • US 6,642,966 B1
  • Filed: 11/06/2000
  • Issued: 11/04/2003
  • Est. Priority Date: 11/06/2000
  • Status: Expired due to Term
First Claim
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1. A method of synchronizing a data file with associated audio/video data using subliminally embedded keys comprising the steps of:

  • at a transmit site embedding a key subliminally in the audio/video data, the key indicating a location of the data file on a network storage medium and a latency time;

    at a receive site extracting the key from the audio/video data;

    accessing the network storage medium according to the location indicated by the key;

    using the data file in synchronism with the audio/video data according to the latency time.

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