Abstract:
PURPOSE: A method and device for providing/using contents CA(Contents Advisory) information is provided to protect a viewer from the harmfulness of Internet contents by providing CA information about Internet contents. CONSTITUTION: The CA information storage unit(33) saves the CA information. A contents ID analyzer(36) interprets ID of the contents which needs for the CA information. A CA information retrieval part(35) searches the CA information corresponding the request of the IPTV(Internet Protocol TV) using the contents ID. A CA information generator(31) generates the CA information of the contents.
Abstract:
An information storage medium and a method for providing additional contents based on trigger, and an apparatus for receiving a digital broadcast are provided to insert and reproduce additional contents such as a user customized advertisement based on trigger while watching a digital broadcast. A receiver receives service information about a broadcast service while receiving a broadcast service(110). The receiver receives trigger which instructs to insert additional contents to the receiving broadcast service. A controller selects additional contents corresponding to trigger by using service information(130). A reproduction unit receives and reproduces additional contents by acquired location information(140).
Abstract:
An apparatus and a method for sharing a broadcasting program are provided to share an inter-stored broadcasting program between plural devices which are connected through Internet and have a broadcasting program recording function. A list administration unit manages a list of devices possessing a predetermined broadcasting program. A device(131,132,133) information transfer part transmits information about a second device possessing the broadcasting program which the first device requests to the first device. The second device transmits the broadcasting program, requested by the first device, according to each section divided into a reference time.
Abstract:
PURPOSE: A device for generating a bookmark in a streaming service system and a method thereof are provided to generate a bookmark by a segment unit, thereby generating an MPD based on the bookmark. CONSTITUTION: A bookmark server searches at least one bookmark which is requested by a bookmark search request message(305). A client selects at least one bookmark by a command of a user. A content server searches an MPD(Media Presentation Description) file with a portion that the selected bookmark designates. The content server generates an MPD file corresponding to the selected bookmark using the MPD file(315). The client sets a session for transmitting a segment(319).
Abstract:
PURPOSE: A trick play service providing method is provided to trick play service of various trick play speed. CONSTITUTION: A server(210) generates at least one media expression technology file. A client(220) requests the media expression technology file in the server. The client receives the requested media expression technology file. The client requests the transmission of at least one trick play data to the server. The client receives the requested trick play data from the server.
Abstract:
PURPOSE: A P2P network system and data transceiving method of the same are provided to easily apply an RTSP(Real-Time Streaming Protocol) through a mapping of time information and data information. CONSTITUTION: A server(100) groups a transmission unit packet configuring data stream in a preset time unit. The server provides the grouped transmission unit packet. A plurality of piers(10~30) transceives the grouped transmission unit packet in a group unit. The source providing unit provides data stream. Data configuring unit of the server groups the transmission unit packet in a preset time unit.
Abstract:
A meta data providing method and apparatus, and contents authority restricting method and apparatus are provided for a service provider to allow a user to use contents only within an allowed authority range, thereby preventing the unauthorized usage of the contents of the user. A meta data server combines contents information and control information defining the authority range of a client for corresponding contents to produce meta data(542). The client analyzes control information included into meta data information to extract the authority information of the client for corresponding contents(547). The client determines whether control operation according to the input of a user is operation within a right authority range by using the extracted authority information. The client performs the operation or outputs a warning message to the user without performing the operation(548).