Reproducing a moving image in a media stream

Details Reproducing a moving image in a media stream Reproducing a moving image in a media stream

2005-05-24

2009-06-30

Vital, Pierre M. (Department: 2169)

Data processing: database and file management or data structures

Database design

Data structure types

C345S419000, C382S285000, C382S294000, C386S349000, C709S231000

Reexamination Certificate

active

07555494

ABSTRACT:
A method and apparatus for reproducing metadata provides a data structure in which metadata whose preferential reproduction is desired can be selected and reproduced. The metadata relevant to a moving image includes a stream data structure including one or more access units each being a data unit which can be independently processed, and each of the access units includes first data to specify an effective period defined with respect to a time axis of the moving image, object area data describing a spatio-temporal region in the moving image, second data including one of or both of data to specify a display method relevant to the spatio-temporal region and data to specify a processing to be performed when the spatio-temporal region is specified, and third data to specify, in a case where one or more access units exist on a same screen in the moving image at a time of reproduction of the metadata, reproduction priority of each of the access units.

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