Abstract:
A terminal device acquires a part of an audio-visual content regenerated by a video display apparatus. The terminal device acquires contents information of the audio-visual content based on the part of the audio-visual content. The terminal device acquires the available enhanced service based on the contents information and regenerates the available enhanced service.
Abstract:
According to the present invention, a method for receiving a broadcast service comprises the steps of: receiving a trigger; receiving a triggered object; if an object of the received trigger is said triggered object, performing a trigger action on said triggered object within a trigger time; receiving real-time data made available by said triggered object, due to an operation of said triggered object resulting from said performance of the trigger action; and providing a service using said real-time data.
Abstract:
A video display apparatus pairs with a first terminal device. The video display apparatus receives an audio-visual content, and displays the audio-visual content. The video display apparatus acquires enhanced service information on an available enhanced service for the audio-visual content, and notifys an occurrence of the available enhanced service to the first terminal device.
Abstract:
The present invention relates to a method for receiving enhanced service of a video display apparatus comprising the following steps: receiving AV content; extracting a first characteristic information from the received AV content; transmitting the extracted first characteristic information to a first server and receiving from the first server a database including at least one from content information, enhanced service information, and enhanced service which are related to the first characteristic information; saving the database received from the first server to a memory; extracting a second characteristic information from the received AV content; and searching and obtaining one from content information, enhanced service information, and enhanced service which correspond to the second characteristic information.
Abstract:
According to the present invention, a method for receiving a broadcast service comprises the steps of: selecting a non-real time service object; receiving service signaling data corresponding to the selected non-real time service object; determining a consumption model of the non-real time service object on the basis of the service signaling data; acquiring, if the consumption model is a predetermined consumption model, first content item reception information contained in the non-real time service object from the service signaling data; receiving a first content item on the basis of the first content item reception information; and executing the first content item in response to a request for execution from the selected non-real time service object.
Abstract:
The invention relates to a video display device comprising a display unit. The video display device acquires uncompressed audiovisual content which is obtained by excluding service information from a broadcast signal, and reproduces the uncompressed audiovisual content through the display unit. The video display device acquires content information of the uncompressed audiovisual content based on a portion of the uncompressed audiovisual content, acquires an additional service based on the content information, and reproduces the additional service through the display unit.
Abstract:
A video display device includes a display unit. The video display device obtains non-compressed audiovisual content, and plays the non-compressed audiovisual content by means of the display unit. The video display device obtains content information of the non-compressed audiovisual content based on one content section from the non-compressed audiovisual content, and obtains information on content change time and information on enhanced service based on the content information. The video display device decides delay time for obtaining the next content information based on the information on content change time.