Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Reexamination Certificate
1997-09-16
2001-02-06
Chevalier, Robert (Department: 2715)
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
C386S349000, C386S349000
Reexamination Certificate
active
06185369
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an apparatus and method for synchronously reproducing multi-angle data, and more particularly, to an apparatus and method for synchronously reproducing individual image data corresponding to various viewing angles and/or audio data.
A study of reproducing an image at a viewer's viewing angle among images photographed at various angles is now in progress. Such a technique is called a multi-angle reproduction, such that a viewer can select and view one among a variety of images photographed at various angles, for example, an electric sign board, a close-up of a player, or an entire view of a sports ground or stadium, in case of a sports relay broadcast. In a digital versatile disk (DVD) system using a compression method of the MPEG-2 standard, images photographed at nine angles at a maximum are compressed and then multiplexed in the form of a program stream
2. Description of the Related Art
FIG. 1
shows a data stream for multi-angle-reproducing data multiplexed in the form of a program stream. Individual data D
1
, D
2
, . . . , and D
9
constituting a data stream contains video data of a sight or scene at an individual viewing angle. A reproduction apparatus according to the DVD standard extracts data of a particular viewing angle from a data stream and reproduces the extracted data, using viewing angle information among data search information for compressed data.
However, such a conventional apparatus provides only an image of a single viewing angle at any given time.
SUMMARY OF THE INVENTION
To solve the above problem, it is an object of the present invention to provide an apparatus for synchronously reproducing data compressed and multiplexed for a multi-angle reproduction.
To accomplish the above and other objects of the present invention, there is provided an apparatus for synchronously reproducing multi-angle data including a plurality of reproducers to receive a data stream in which multi-angle data is multiplexed for multi-angle reproduction, to separate, decode and reproduce data relating to a corresponding predetermined angle from the received data stream and to generate a reproduction ready notice signal indicating that the separated data is ready for reproduction, wherein one of the plurality of reproducers synchronizes data reproduction of the plurality of reproducers based on the reproduction ready notice signals generated by the other reproducers.
REFERENCES:
patent: 5819003 (1998-10-01), Hirayama et al.
patent: 5848216 (1998-12-01), Kaneshige
patent: 7-129624 (1995-05-01), None
patent: 8-251538 (1996-09-01), None
Chung Tae-yun
Ko Jung-wan
Chevalier Robert
Samsung Electronics Co,. Ltd
Staas & Halsey , LLP
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