Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jeffery S. Peel0
Ajit P. Joshi0
Alex A. Lopez-Estrada0
Date of Patent
November 21, 2006
0Patent Application Number
099328060
Date Filed
August 17, 2001
0Patent Primary Examiner
Patent abstract
Navigation information can be generated from compressed and packetized MPEG streams, and the navigation information then placed in a separate navigation file that can be accessed to permit navigation functions to be performed during decompression and playback of the MPEG stream. An authoring tool may be used to parse the MPEG stream and generate the navigation data. The navigation data may then be used to select individual start points, different audio channels, special effects, etc., during playback.
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