Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Reexamination Certificate
2007-09-18
2007-09-18
Tran, Thai Q. (Department: 2621)
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
Reexamination Certificate
active
10129636
ABSTRACT:
A method and apparatus for controlling an MPEG video media recording device to automatically identify and selectively skip segments of a video signal, such as commercial advertisements, during a recording session. During an MPEG video data recording session the system continuously monitors the video data being recorded to detect a scene change occurring over one or more image fields. In response to a detected scene change, the system stores in a file a time and record location on the media corresponding to the occurrence of the scene change. Depending upon the time interval between several of the detected scene changes, the system identifies a corresponding video segment as either a commercial advertisement or a chapter boundary. By identifying the segments in this way, the playback presentation can then be selectively controlled.
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Book, “DVD Demystified”, pp. 141-149.
Chio Tat Chi
Fogelson Joel M.
Kurdyla Ronald H.
Laks Joseph J.
Thomson Licensing
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