Method and apparatus for processing digital service signal

摘要

The digital service signal processing apparatus according to one embodiment of the present invention, comprises: a generation module for generating a request for receiving signaling information of an application related to a program of a digital service signal using the channel information related to the program of the digital service signal; a control module for transmitting the generated request, receiving the signaling information of the application, and determining whether the application is stored using the received signaling information of the application; and a download module for downloading, if it is determined that the application is not stored, the application using the signaling information of the application.

主权项

1. A method of processing a digital service comprising:
receiving channel information of the digital service and current time information from a broadcaster; creating a request for reception of URL (Uniform Resource Locator) information of an application related to a program of the digital service using the channel information and the current time information; transmitting the request to a DNS (Domain Name System) server, wherein the DNS server has a data base including program information according to each channel, the program information includes titles of programs of each channel, start time of the programs, end time of the programs and URL information of applications related to the programs; receiving the URL information of the application from the DNS server in response to the request; downloading the application using the URL information of the application from an application server; executing the application; receiving another URL information of another application related to another program from the DNS server when the DNS server detects that the program is changed to the another program using the program information and the current time information; downloading the another application using the another URL information from the application server; and terminating the application and executing the another application.