The present invention relates to a digital writing system and a server system and method using the digital rights in the enhancement for the data broadcasting service can be authored in synchronism with the audio / video stream.; Enhancement authoring system according to the present invention audio / video playback for playing back the content registration means, and an audio / video stream information for setting the announcement information, the audio / video stream information and the content information necessary for the program scenario production means, announcements, content and the enhancement audio / video streams and synchronized back gekkeum time information and the program scenario generation means for setting the attribute information, and the data server enhancement-storage directory, audio of the stream server that contains the trigger / video stream includes a stored environment information setting means for setting the directory and information editor.; According to the invention, by synchronizing the enhancement for the data broadcasting service and an audio / video stream it is able to work.
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