×

Using embedded data with file sharing

  • US 8,126,918 B2
  • Filed: 07/13/2010
  • Issued: 02/28/2012
  • Est. Priority Date: 07/20/2000
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method of authenticating a media signal file using auxiliary embedded data hidden in the file, the method comprising:

  • extracting, using a computing device, time codes from auxiliary data hidden in a media signal file, wherein the time codes indicate a number of frames between selected time frames in the media signal file and enable verification that the number of frames are present in the media signal file; and

    determining, using the computing device, whether the extracted time codes in the media signal file are complete.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×