Processing digital data having variable packet lengths

Details Processing digital data having variable packet lengths Processing digital data having variable packet lengths

2006-02-28

2006-02-28

Tran, Thai (Department: 2616)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000, C360S032000, C360S048000

Reexamination Certificate

active

07006760

ABSTRACT:
When macro blocks each of which has a variable length are input for one picture, null syncs each of which has a unit length are generated corresponding to the format of the video data to be handled. Corresponding to the length information, an overflow portion of a macro block is detected. The overflow portion is successively packed to macro blocks each of which is smaller than the unit length. Thus, each macro block is packed in the unit length. Since the length information of each null sync represents 0, the overflow portions are packed after the length information of each null sync. With null syncs, one format of video data can be matched with another format. In addition, with null syncs, overflow portions are packed. Thus, the record medium can be effectively used.

REFERENCES:
patent: 5473479 (1995-12-01), Takakura
patent: 5781690 (1998-07-01), Juri et al.
patent: 6549717 (2003-04-01), Mishima et al.
patent: 6654544 (2003-11-01), Suzuki et al.
patent: 2003/0091339 (2003-05-01), Isozaki
patent: 0 527 611 (1993-02-01), None
patent: 5-234261 (1993-09-01), None

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