Abstract: Provided are a method and a device for booting a host embodying a downloadable conditional access system (DCAS), wherein one of a plurality of pre-determined booting modes is decided as a booting mode of the host based on first information indicating whether a host can communicate with a broadcasting service provider and second information indicating whether a software-based security client providing information required for decrypting broadcasting data is installed to a hardware-based security module connected to the host, and the host is booted in the decided booting mode.

Abstract: Provided is a method of recording content and an application for providing additional information on the content, the method including: receiving the content and an application corresponding to the content; and recording only the content or both the content and the application according to whether there is a part that the application and a previously received application share.

Abstract: A method and apparatus for recording broadcast data and providing content, in which the content is recorded based on a time at which the content is actually transmitted using interaction between a server and a host device is provided. The method includes receiving a request for recording a particular program, registering program information of the requested program in a content server, and performing recording of the program upon detection of stream output notification information for the registered program from the content server.

Abstract: A method of processing a hybrid service and a hybrid digital cable receiving apparatus are provided. The hybrid digital cable receiving apparatus includes a transmitting/receiving unit for receiving a hybrid signal, an Internet protocol television (IPTV) service processing unit for processing data corresponding to an IPTV service that is included in the received hybrid signal, and a cable service processing unit for processing data corresponding to a cable broadcasting service that is included in the received hybrid signal.

Abstract: An automatic zoom apparatus and method for playing dynamic images. The automatic zoom apparatus provides more dynamic images to a user by detecting a dynamic change of image signals to zoom and display a predetermined area where the dynamic change is detected. To this end, the automatic zoom apparatus for playing the dynamic images comprises a motion detector for, when a zoom function is requested to zoom predetermined image signals, detecting a motion based on a color change between frames extracted from the predetermined image signals. Also included is a motion area designator for designating a predetermined area including objects of the motion detected by the motion detector, as a motion area, and a zoom controller for performing a zoom function for zooming an image of the image signals of the motion area designated by the motion area designator. Thereby, the user can enjoy a more dynamic image such that television watching is not as monotonous.

Abstract: An apparatus and method for configuring and executing an application appropriate to a broadcast-receiving device are provided. The apparatus includes an application-generating unit that generates an application having at least two functions to be selectively performed by the broadcast-receiving device and information related with the application, and an application-transmitting unit that transmits the generated application and the information related with the application to the broadcast-receiving device via a predetermined communication method, wherein the application determines which function is activated among the at least two functions, and provides the determined result to the broadcast-receiving device.

Abstract: A method and apparatus for processing and selecting an application easily processed by a broadcasting receiving apparatus among the plurality of applications and executing the selected application are provided. The application processing method includes: analyzing information on each of a plurality of applications providing a common broadcasting service; selecting an application suitable for a broadcasting receiving apparatus among the plurality of applications based on the analysis; and executing the selected application. When a plurality of applications is transmitted to a broadcasting receiving apparatus, the broadcasting receiving apparatus can select an easily executable application.

Abstract: A method and apparatus for generating a plurality of application included in a broadcasting service and a method and apparatus for selecting an application easily processed by a broadcasting receiving apparatus among the plurality of applications and executing or storing the selected application are provided. The application generating and signaling apparatus includes: an application generator generating a plurality of applications selectively executed by a broadcasting receiving apparatus and information on each of the plurality of applications; and an application transmitter signaling the plurality of applications and the information on each of the plurality of applications, wherein the information on each of the plurality of applications comprises information on the broadcasting receiving apparatus that executes a corresponding application, and information on the characteristics of the corresponding application.

Abstract: A method and apparatus for processing and selecting an application easily processed by a broadcasting receiving apparatus among the plurality of applications and executing the selected application are provided. The application processing method includes: analyzing information on each of a plurality of applications providing a common broadcasting service; selecting an application suitable for a broadcasting receiving apparatus among the plurality of applications based on the analysis; and executing the selected application. When a plurality of applications is transmitted to a broadcasting receiving apparatus, the broadcasting receiving apparatus can select an easily executable application.

Abstract: A method and apparatus for processing and selecting an application easily processed by a broadcasting receiving apparatus among the plurality of applications and executing the selected application are provided. The application processing method includes: analyzing information on each of a plurality of applications providing a common broadcasting service; selecting an application suitable for a broadcasting receiving apparatus among the plurality of applications based on the analysis; and executing the selected application. When a plurality of applications is transmitted to a broadcasting receiving apparatus, the broadcasting receiving apparatus can select an easily executable application.

Abstract: A method and apparatus for processing and selecting an application easily processed by a broadcasting receiving apparatus among the plurality of applications and executing the selected application are provided. The application processing method includes: analyzing information on each of a plurality of applications providing a common broadcasting service; selecting an application suitable for a broadcasting receiving apparatus among the plurality of applications based on the analysis; and executing the selected application. When a plurality of applications is transmitted to a broadcasting receiving apparatus, the broadcasting receiving apparatus can select an easily executable application.

Abstract: Provided are an apparatus and method of storing a broadcasting service. The apparatus and method are capable of moving or copying a broadcasting service stored in a storage device to another storage device and using the moved or copied broadcasting service. The apparatus includes a broadcasting reception unit receiving a broadcasting signal containing a broadcasting service; and a recording manager controlling the storing of the broadcasting service, wherein the recording manager controls the broadcasting service stored in a media storage volume to be moved or copied to another media storage volume and manages recording information indicating a media storage volume in which the broadcasting service is stored.

Abstract: An apparatus for outputting received broadcast signals may include a tuner unit that receives broadcast signals through at least one tuner, a distribution unit that distributes the received broadcast signals according to broadcasting systems, a control unit that extracts at least one of video signals, audio signals and data signals from broadcasting system-dependent broadcast signals distributed by the distribution unit in accordance with a user's instruction, and an output unit that outputs the extracted signals.

Abstract: A broadcast signal receiving device includes a profile management module that manages user profile information indicating whether to execute a data broadcasting application received via a channel, an application filtering module that filters data composing a data broadcasting application from data signals of broadcast signals, and an application management module that executes a data broadcasting application composed of the filtered data and according to the user profile information

Abstract: A method and apparatus for pre-processing service information (SI) in digital cable broadcasting are provided. A digital cable broadcast receiver includes a point-of-deployment (POD) module which provides service information (SI) data transmitted by a head end to a demultiplexer, the demultiplexer which extracts one or more section tables required for reconstructing channel information and program event information by demultiplexing the SI data and provides raw section table data regarding the extracted section tables, and an SI processing module which obtains SI data required for reconstructing the channel information and the program event information by processing the raw section table data and stores the SI data in a memory.

Abstract: A channel scanning method is provided that is performed by a digital broadcast receiver having a plurality of tuners. The channel scanning method includes determining whether channel data exists in a channel, and if channel data exists in the channel, storing information regarding the channel obtained by parsing the channel data, and moving ahead by a number of channels corresponding to the number of tuners included in the digital broadcast receiver.

Abstract: A method and apparatus for efficiently selecting a demodulation scheme for a particular channel in a digital broadcast receiver supporting a plurality of demodulation schemes are provided. The method includes receiving the digital broadcast signal of the channel; attempting demodulation of the digital broadcast signal using a demodulation scheme corresponding to a sequential index; and if the demodulation attempt succeeds, restoring data and if the demodulation attempt does not succeed, attempting demodulation again using a demodulation scheme corresponding to a next sequential index.

Abstract: An automatic zoom apparatus and method for playing dynamic images. The automatic zoom apparatus provides more dynamic images to a user by detecting a dynamic change of image signals to zoom and display a predetermined area where the dynamic change is detected. To this end, the automatic zoom apparatus for playing the dynamic images comprises a motion detector for, when a zoom function is requested to zoom predetermined image signals, detecting a motion based on a color change between frames extracted from the predetermined image signals. Also included is a motion area designator for designating a predetermined area including objects of the motion detected by the motion detector, as a motion area, and a zoom controller for performing a zoom function for zooming an image of the image signals of the motion area designated by the motion area designator. Thereby, the user can enjoy a more dynamic image such that television watching is not as monotonous.

Abstract: A method for transmitting an extensible markup language (XML)-based electronic program guide (EPG) template for a user-preference program guide and a reception device thereof, are provided. The transmission method includes a cable network company converting an XML-based EPG into an XML-based EPG template for a user-preference program guide, transmitting the converted result to a reception device, and providing the reception device with a style format related to the XML-based EPG template document through an extensible style sheet language (XSL)-based document. The reception device stores and analyzes the XSL document related to the XML-based EPG template document.