Method and Apparatus for synchronizing data service with video service in Digital Multimedia Broadcasting and Executing Method of Data Service

摘要

1. the art that the invention set forth in the claims ; The present invention relates to the application will transfer method and apparatus for a digital broadcasting network using satellite, terrestrial, cable or leased line. ; 2. The invention is to solve the technical challenges ; The present invention is to provide a synchronized data service and the DMB audio / video service in the DMB broadcast, to transmit after generating for synchronization with audio / video services, information indicating the time at which a specific event occurs, the application performs, Digital Multimedia Broadcasting in that its purpose is to provide a method and apparatus for data synchronized with video services. ; 3. The gist of the solution of the invention, ; The invention, comprising: receiving an AV time stamp for the AV data; Calculating a time stamp of the data in the time data is reproduced in the terminal, based on the AV time stamp; Generating sync metadata including the calculated data time stamp of; Includes; and transmitting the synchronization information to encode. ; 4. important use of the invention ; The invention yiyongdoem DMB broadcast or the like. ; DMB (digital multimedia broadcasting), data broadcasting (data broadcasting), the synchronization (synchronized) data services, Eureka-147