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

1. the art that the invention defined in the claims The present invention relates to the application will transfer method and apparatus in a digital broadcasting network using satellite, terrestrial, cable or leased line. 2. The invention attempts to solve the technical challenges The present invention, a digital multimedia broadcasting transmitting after creating the information indicating the time in order to provide a DMB audio / video services and synchronized data service in a DMB broadcasting, a specific event in the application execution for synchronization with audio / video services to provide in a method and apparatus for data synchronized with a video service that is the object. 3. Resolution of the subject matter of the invention, The present invention includes the steps of receiving an AV time stamp for the AV data; Calculating a time stamp of the time to be reproduced from the data terminal based on the AV time stamp data; Generating sync metadata including the calculated data time stamp of the; And transmitting the encoding of the synchronization information; and a. 4. An 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