METHOD AND APPARATUS FOR SYNCHRONIZING MEDIA DATA OF MULTIMEDIA BROADCAST SERVICE
First Claim
1. A method for synchronizing data in a multimedia broadcast service, the method comprising:
- receiving and storing Composition Information (CI) for a broadcast service;
determining location information of primary media data provided for the broadcast service from the CI, and receiving the primary media data according to the location information;
determining location information of adjunct media data comprising auxiliary data regarding the primary media data, included in the CI, and receiving and storing the adjunct media data according to the location information; and
determining start information of the adjunct media data included in the CI and executing the adjunct media data in synchronization with regular media data associated with the start information.
1 Assignment
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Accused Products
Abstract
A method and an apparatus for synchronizing media data and auxiliary data received by a service through a broadcast network or a communication network in a multimedia broadcast service are provided. The method includes receiving regular media data provided for a broadcast service, receiving and storing control information regarding adjunct media data comprising auxiliary data regarding the regular media data, determining location information of the adjunct media data included in the control information, and receiving and storing the adjunct media data according to the location information. If an identifier of the adjunct media data is included in a header of the regular media data, reading the stored adjunct media data corresponding to the identifier of the adjunct media data, and executing the adjunct media data in synchronization with the regular media data according to synchronization information included in the header.
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Citations
18 Claims
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1. A method for synchronizing data in a multimedia broadcast service, the method comprising:
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receiving and storing Composition Information (CI) for a broadcast service; determining location information of primary media data provided for the broadcast service from the CI, and receiving the primary media data according to the location information; determining location information of adjunct media data comprising auxiliary data regarding the primary media data, included in the CI, and receiving and storing the adjunct media data according to the location information; and determining start information of the adjunct media data included in the CI and executing the adjunct media data in synchronization with regular media data associated with the start information. - View Dependent Claims (2, 3)
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4. A reception apparatus for synchronizing data in a multimedia broadcast service, the reception apparatus comprising:
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a decoder for receiving and decoding regular media data provided for a broadcast service; an adjunct media information storage for receiving and storing Composition Information (CI) for the broadcast service; an adjunct media data cache for determining location information of adjunct media data comprising auxiliary data regarding the primary media data, included in the CI, and receiving and storing the adjunct media data according to the location information; and an executor for determining start information of the adjunct media data included in the CI and executing the adjunct media data in synchronization with the regular media data associated with the start information. - View Dependent Claims (5, 6)
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7. A method for synchronizing data in a multimedia broadcast service, the method comprising:
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receiving regular media data provided for a broadcast service; receiving and storing control information regarding adjunct media data comprising auxiliary data regarding the regular media data; determining location information of the adjunct media data included in the control information, and receiving and storing the adjunct media data according to the location information; and if an identifier of the adjunct media data is included in a header of the regular media data, reading the stored adjunct media data corresponding to the identifier of the adjunct media data, and executing the adjunct media data in synchronization with the regular media data according to synchronization information included in the header. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A reception apparatus for synchronizing data in a multimedia broadcast service, the reception apparatus comprising:
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a decoder for receiving and decoding regular media data provided for a broadcast service; an adjunct media information storage for receiving and storing control information regarding adjunct media data comprising auxiliary data regarding the regular media data; an adjunct media data cache for determining location information of the adjunct media data included in the control information, and receiving and storing the adjunct media data according to the location information; and an executor for, if an identifier of the adjunct media data is included in a header of the regular media data, reading the stored adjunct media data corresponding to the identifier of the adjunct media data, and executing the adjunct media data in synchronization with the regular media data according to synchronization information included in the header. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification