Encoded video image formatting

Details Encoded video image formatting Encoded video image formatting

2006-05-16

2006-05-16

Groody, James J. (Department: 2616)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000, C386S349000, C386S349000, C386S349000, C386S349000, C386S349000, C386S349000

Reexamination Certificate

active

07046916

ABSTRACT:
A method and apparatus are provided to enable variable speed forwards or reverse play of motion-prediction coded sequences of video signal frames. Successive images of a sequence are MPEG encoded with some images of the sequence becoming I-frames and the remainder P- or B-frames. The frame data is formatted to sequences of fixed size data blocks (I,P,B) to form a data block stream into which further, information blocks (i) are inserted at periodic intervals. Each information block (i) carriers a pointer to the relative location in the data block stream of the first data block of the immediately preceding I-frame.

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