Apparatus and method for controlling reverse-play for...

Details Apparatus and method for controlling reverse-play for... Apparatus and method for controlling reverse-play for...

2004-06-03

2008-10-14

Tran, Thai (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000

Reexamination Certificate

active

07437054

ABSTRACT:
An apparatus and method of controlling a digital video (MPEG) player for reverse-play. The MPEG player is comprised of an I-frame buffer for storing I-pictures encoded from P-pictures by a video decoder, a B-frame buffer for storing B-pictures, and an I-frame encoder for decoding a P-picture into an I-picture. In the MPEG player, a picture group being played at present is decoded for reverse play and a previous picture group is decoded for preparation of the reverse-play. Reverse-play in soft 1-times (×1) by means of a frame memory of small capacity is achieved irrespective of the picture number and classes in picture groups.

REFERENCES:
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patent: 6201927 (2001-03-01), Comer
patent: 6473558 (2002-10-01), Wu et al.
patent: 2002/0051621 (2002-05-01), Cuccia
patent: 2002/0106589 (2002-08-01), Rodney et al.

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