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US 7,398,005 B2Granted
Trick mode playback of recorded video
AssigneeThomson Licensing
InventorDonald H. Willis
Life of this patent
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AssigneeThomson Licensing
InventorDonald H. Willis
Estimating the term…
The present invention concerns a method (200) and system (100) for producing a trick mode playback of a segment of video containing a plurality of predictive pictures. The invention includes the steps of: (a) decoding (212) a portion of a predictive picture from the plurality of predictive pictures; and (b) updating (214) a portion of information stored in a memory with the portion of the predictive picture. In one arrangement, the invention can further include the step of repeating steps (a) and (b) during the trick mode playback such that a portion of each of a predetermined number of subsequent predictive pictures can be decoded and can be used to update a subsequent portion of the information stored in the memory. In addition, the segment of video can be an MPEG video segment that does not contain any intra pictures and each of the plurality of predictive pictures can contain intra macroblocks.
A method of producing a trick mode playback of a segment of video containing a plurality of predictive encoded pictures comprising the steps of:
A system for producing a trick mode playback of a segment of video containing a plurality of predictive pictures comprising:
Dependencies are inferred from the claim text.