Compressed data recording method using integral logical block si

Details Compressed data recording method using integral logical block si Compressed data recording method using integral logical block si

1996-03-11

1996-11-05

Tran, Thai Q.

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

360 32, 360 48, 386104, 386112, 386127, H04N 576, H04N 591, G11B 500, G11B 509

Patent

active

055723330

ABSTRACT:
A method of recording compressed and coded data is designed to improve the speed and ease of random accessing, and to reduce the buffer capacity and facilitate control and editing in the reproducing system. The method comprises the steps of compressing and coding video signals for every predetermined number of frames with the amount of codes per predetermined number of frames being constant; storing the predetermined number of frames of compressed and coded video signals into at least one video packet; storing the video packet in a pack having a time slot corresponding to the predetermined number of frames (preferably at the end of the pack); and recording the video signals on the recording medium in a pack stream containing such packs, with the relation between the size of the pack and the size of the logical block of the recording medium being set to 1:n (n: an integer) and the relation between the size of the pack and the size of the physical block of the recording medium being set to 2:m (m: an integer).

REFERENCES:
patent: 5097261 (1992-03-01), Langdon, Jr. et al.
patent: 5113512 (1992-05-01), Miki et al.
patent: 5386402 (1995-01-01), Iwata

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