Data reproduction apparatus and method

Details Data reproduction apparatus and method Data reproduction apparatus and method

2005-11-15

2005-11-15

Groody, James J. (Department: 2616)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000, C386S349000

Reexamination Certificate

active

06965725

ABSTRACT:
The objectives of the present invention are to reduce the throughput required for a rapid reproduction or other special types of reproduction and to improve also the data access speed at the time of a rapid reproduction. In order to achieve these objectives, the system controller19controls so that the address information of the MPEG data reproduced by a pickup2may be used to create the first reproduction control information at a sector detection circuit4, that the second reproduction control information corresponding to the starting point of pictures contained in the MPEG data destined to be reproduction signals by the first reproduction control signal and subjected to an error correction in an error correction circuit7may be created in a stream detection circuit9, and that some MPEG data out of the entire MPEG data may be outputted for a rapid reproduction by referring to the second reproduction control information, and through these steps, the interval of reproducing I pictures in a rapid reproduction by using for example only I pictures is reduced and a smooth reproduction is achieved.

REFERENCES:
patent: 5923815 (1999-07-01), Park
patent: 6201927 (2001-03-01), Comer
patent: 6308004 (2001-10-01), Kawamura et al.
patent: 6553180 (2003-04-01), Kikuchi et al.
patent: 0 700 221 (1996-03-01), None

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