Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ashley Robertson0
Fenghui Jiang0
Geoffrey S. Pirie0
Gordon D. Hutchison0
Benjamin A. Confino0
Edward Altenburger0
Date of Patent
November 20, 2018
0Patent Application Number
154711190
Date Filed
March 28, 2017
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
Methods and systems are provided for integrity verification of an audio-visual data stream. The method includes inserting a watermark into a frame of the visual data stream or into an audio window of a corresponding audio data stream, where the watermark includes: a hash code of the previous frame of the visual data stream and a hash code of the audio window of the audio data stream, and where the audio window corresponds in time to the previous frame of the visual data stream.
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