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Method and apparatus for synchronizing media data of multimedia broadcast service

  • US 9,877,051 B2
  • Filed: 09/21/2012
  • Issued: 01/23/2018
  • Est. Priority Date: 09/21/2011
  • Status: Active Grant
First Claim
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1. A method for synchronizing data in a multimedia broadcast service, the method comprising:

  • receiving composition information (CI) for a broadcast service, the CI comprising synchronization information for adjunct media data, the adjunct media data comprising auxiliary data regarding regular media data;

    receiving the regular media data and the adjunct media data; and

    executing the adjunct media data in synchronization with the regular media data based on the synchronization information,wherein a packet stream for the CI is independent of a packet stream for the regular media data,wherein the regular media data comprises a plurality of processing data unit,wherein the synchronization information comprises;

    an identifier of the regular media data to be synchronized with the adjunct media data, anda sequence number of a processing data unit in the regular media data to be synchronized with the adjunct media data,wherein the CI comprises type information of the adjunct media data and network information of the adjunct media data, andwherein the CI further comprises a control indicator indicating execution of the adjunct media data.

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