Abstract: Disclosed is a method for transmitting a broadcast signal. A method for transmitting a broadcast signal according to an embodiment of the present invention comprises the steps of: delivery layer processing broadcasting service data and signaling information for the broadcasting service data; UDP/IP encapsulating the broadcasting service data and signaling information for the broadcasting service data; and physical layer processing the broadcasting service data and signaling information for the broadcasting service data.

Abstract: A method of transmitting broadcast data by a broadcast receiver includes connecting the broadcast receiver with a companion device; receiving a request for Electronic Service Guide (ESG) data from the companion device; and transmitting the broadcast data including partial or full ESG information of the ESG data to the companion device based on a type of the request. The ESG data includes a content fragment including an extension element including a component element, and the component element including at least one of a video component element describing a role of a video component, an audio component element describing a role of an audio component, a closed caption component element describing a role of a closed caption component, or an application component element describing a role of an application component, and a capability element for the at least one of the video component or the audio component.

Abstract: A method for providing a broadcast service in a Primary Device (PD) is discussed. The method includes performing a discovery process with a Companion Device (CD) application resided in a CD. Further, performing the discovery process includes receiving an application information request from the CD application, and sending an application information response, and the application information response includes location information used for an endpoint of a websocket server resided in the PD. In addition, establishing a websocket connection between the CD application and the websocket server based on the location information; and communicating at least one message with the CD application via the websocket connection.

Abstract: Disclosed is a broadcast signal transmitting method. A broadcast signal transmitting method according to an embodiment of the present invention may comprise: generating low level signaling (LLS) information; processing the LLS information into IP packets; generating link layer packets by link layer processing the IP packets; and generating a broadcast signal by physical layer processing the link layer packets.

Abstract: A broadcast signal reception apparatus according to one embodiment of the present invention comprises: a broadcast processor comprising a tuner, and a real-time object delivery over unidirectional transport (ROUTE) cache, wherein the tuner receives a broadcast signal including an ROUTE file, and the ROUTE cache stores the ROUTE file; and user agent for executing a broadcaster application; and an interface for connecting the broadcaster application to the broadcast processor, wherein the broadcaster application transmits a first request to the interface, and the broadcast processor transmits, to the interface, a first response corresponding to the first request.

Abstract: The present invention proposes a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention proposes a system which can support a next-generation broadcast service in an environment where next-generation hybrid broadcasting using a terrestrial network and an Internet network is supported. In addition, the present invention proposes an efficient signaling scheme which can cover both the terrestrial broadcast network and the Internet network in the environment where the next-generation hybrid broadcasting is supported.

Abstract: A method of providing a broadcast service, the method includes generating service data for a broadcast service and Service Layer Signaling (SLS) for signaling the broadcast service; generating a signaling table having information used for indicating a transport session carrying the SLS for the broadcast service; and transmitting the service data, the SLS and the signaling table via a broadcast network, wherein the SLS includes a Service-based Transport Session Instance Description (S-TSID) and a Media Presentation Description (MPD), wherein the S-TSID includes information for indicating transport sessions carrying service components and content items for the broadcast service, the MPD includes a period element having an event stream element, the event stream element includes a plurality of event elements, and each of the event elements includes an event ID for an event and timing information for indicating start time of the event.

Abstract: One embodiment of the present invention provides a method and a device for transmitting and receiving service guide information. The service guide information transmission method, according to one embodiment of the present invention, comprises the steps of: generating service guide information including information on broadcast service and content; encoding the generated service guide information; and transmitting the encoded service guide information.

Abstract: A broadcast receiving apparatus may comprise: a broadcast interface for receiving a broadcast signal comprising an emergency alert message and signaling information indicating metadata for the emergency alert message; a control unit for generating an emergency alert multicast message comprising attributes of the emergency alert message on the basis of the broadcast signal; and a companion screen interface for transferring the emergency alert multicast message to at least one companion screen device in a multicast mode.

Abstract: Disclosed is a method for receiving a multimedia content message by a vehicle to everything (V2X) communication apparatus. A method for receiving a multimedia content message by a vehicle to everything (V2X) communication apparatus according to an embodiment of the present invention includes: receiving a multimedia content message; parsing the multimedia content message; and acquiring a multimedia content included in the multimedia content message or a content segment which is a part of the multimedia content.

Abstract: The present invention proposes a method for transmitting a broadcasting signal. The method for transmitting a broadcasting signal according to the present invention proposes a system which can support a next generation broadcasting service in an environment that supports next generation hybrid broadcasting using a terrestrial broadcasting network and an Internet network. Further, in the environment that supports the next generation hybrid broadcasting, the present invention proposes an efficient signaling scheme which can cover both the terrestrial broadcasting network and the Internet network.

Abstract: An apparatus for receiving broadcast signals includes a receiver to receive broadcast signals including service guide fragments which are used to announce information for the broadcast signals, the service guide fragments including a service fragment describing a service of the broadcast signals and a content fragment describing a content of the service, the content fragment including an extension element having a component element describing a component included in the content and a capability element representing capabilities required for decoding and presenting the content, the component element an audio component element representing a role of an audio component of the content and a video component element representing a role of a video component of the content data, a decoder configured to decode the content and the service guide fragments; and a display unit configured to display the content with a sign language content.

Abstract: A method and device for processing a broadcast content are discussed. The method includes receiving a broadcast content of a broadcast service; displaying the broadcast content on a display screen; and detecting a first user input, in response to the first user input that is to display an ESG: displaying the ESG overlaid on the broadcast content being displayed on the display screen; determining whether information for controlling execution of an application, that is embedded in an audio component of the broadcast content, is received; and controlling the execution of the application based on the determination; or in response to the first user input that indicates a mute mode to mute sound of the broadcast content: determining whether information for controlling execution of the application, that is embedded in a video component of the broadcast content, is received; and controlling the execution of the application based on the determination.

Abstract: Disclosed are an electronic device and a method for controlling an electronic device. The electronic device comprises an application processor, a network processor, a control unit connected to a companion device, and a communication unit for transmitting/receiving data to/from the companion device, wherein the application processor makes a request for connection with the companion device to the network processor and the network processor connects the companion device to the application processor having made the request for the connection when receiving the request for the connection from the companion device.

Abstract: The present invention proposes a method for transmitting a broadcasting signal. The method for transmitting a broadcasting signal according to the present invention proposes a system capable of supporting a next generation broadcasting service in an environment which supports next generation hybrid broadcasting that uses a terrestrial broadcasting network and an Internet network. Also, the present invention proposes an effective signaling scheme that can cover both the terrestrial broadcasting network and the Internet network in the environment that supports the next hybrid broadcasting.

Abstract: An apparatus for receiving service guide fragments is discussed.

Abstract: The present invention proposes a method of transmitting a broadcast signal. The method of transmitting the broadcast signal according to the present invention proposes a system capable of supporting a next-generation broadcast service in an environment that supports next-generation broadcasting using a terrestrial broadcast network and an Internet protocol network. In addition, the present invention proposes an efficient signaling scheme for both the terrestrial broadcasting network and the Internet protocol network in the environment that supports next-generation broadcasting.

Abstract: Disclosed is a method for controlling a session between devices on a network including a plurality of devices, including: receiving a session control request message from a control device, wherein the session control request message represents a message for operating a session control between a first device and a second device; transmitting a triggering message for a specific control operation to the first device on the basis of the received session control request message; performing the session control between the first device and the second device by using the triggering message; and receiving a triggering response message from the first device, wherein the triggering response message indicates a result of performing the session control.

Abstract: The present invention provides a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to one embodiment of the present invention comprises: a step for generating service guide information, including access information of a broadcast service, and content data, wherein the service guide information includes a service fragment indicating the information on the broadcast service, a content fragment indicating the information on the content data, and/or a component fragment indicating the information on components included in the broadcast service; a step for encoding the generated service guide information and the content data; and a step for transmitting the encoded service guide information and the content data.

Abstract: The present invention provides a method for transmitting a broadcast signal. A method for transmitting a broadcast signal, according to one embodiment of the present invention, comprises the steps of: generating service guide information, which includes information for accessing a broadcast service, and content data, wherein the service guide information includes a service fragment which displays information related to the content data, and wherein the content fragment includes a component element which displays information related to a component included in the content data; encoding the service guide information and the content data which have been generated; and transmitting the service guide information and the content data which have been encoded.