Abstract: Disclosed is a method of sequently displaying advertisement on a television screen and a digital broadcasting set-top box for performing the same. The set-top box includes a tuning section for tuning a radio frequency digital broadcasting stream, a demultiplexer for separating an audio data, a video data, and an information data from the radio frequency digital broadcasting stream, a decoding section for decoding the information data, a storing section for temporary storing the decoded information data, an advertisement data processing section for searching an advertisement data among the decoded data storing in the storing section, updating the searched advertisement data, and confirming a displaying time of the advertisement data, a graphic processing section for converting the advertisement data processed by the advertisement data processing section and the information data to an image data, and a synthesizing section for synthesizing the image data and a video data decode by a media decoder.

Abstract: The present invention relates to a method of managing contents data for digital broadcasting. The method of the present invention includes the steps of a) collecting contents data for digital broadcasting in form of an application, b) designing an application definition file according to characteristics of respective contents contained in the application, c) inputting the designed application definition file and the application into a server, and d) Processing the application in accordance with the input application definition file. The application processed in the server by a method defined through a transmission standard for a digital broadcasting and the encoded application is generated to a transport stream then transported to the viewer.