Data-file storage, particularly for MPEG format files

Details Data-file storage, particularly for MPEG format files Data-file storage, particularly for MPEG format files

2007-11-13

2007-11-13

Tran, Thai Q. (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000, C386S349000, C386S349000, C386S349000

Reexamination Certificate

active

10177729

ABSTRACT:
A method of storing a data file, particularly in the MPEG format and including a flow of different frames, comprises a protection system for the data file based on a parameter stored in the data file. Advantageously, the storage method comprises selectively protecting the frames by storing parameters that are associated with corresponding different frames whose values are selected to provide a playing quality level requested by an end user. Also, a method is provided for decoding a data file, particularly of the MPEG type and including a flow of different frames, wherein the data file is stored per above.

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patent: 6711140 (2004-03-01), Agarwal et al.
patent: 6950557 (2005-09-01), Kimura
patent: 7006575 (2006-02-01), Yamaguchi et al.
patent: 7142235 (2006-11-01), Herley
patent: 2004/0146108 (2004-07-01), Hsia
patent: 2004/0223549 (2004-11-01), Karczewicz et al.
patent: 2005/0185715 (2005-08-01), Karczewicz et al.
patent: 2007/0065030 (2007-03-01), Shen et al.

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