Abstract:
A broadcast signal transmission processing device according to one embodiment of the present invention, comprises a header compression processor that generates first packets including first header information in a uncompressed form and second packets including second header information in a compressed form by performing header compression on Internet protocol (IP) packets containing broadcast data; a header information extracting processor that extracts the header information from the first packets and converts the first packets from which the first header information is extracted to third packets including third header information in a compressed form; a signaling data generating processor that generates signaling packets containing information related to the header compression and mapping information between the IP packets and multiple data pipes; and a broadcast signal transmitting processor that transmits a broadcast signal including the multiple data pipes.
Abstract:
A media data transmission method according to one embodiment of the present invention comprises the steps of: generating a media file including three-dimensional (3D) video data and meta data; and transmitting the media file, wherein the media file includes, as at least one track, left view image data and right view image data of the 3D video data, and the meta data can include stereoscopic composition type information on the 3D video data.
Abstract:
A method of transmitting omnidirectional video is provided according to one aspect of the present invention. The method of transmitting omnidirectional video according to an embodiment of the present invention includes: acquiring an image for the omnidirectional video; projecting the image for the omnidirectional video onto a 3D projection structure; packing the image projected on the 3D projection structure into a 2D frame; encoding the image packed into the 2D frame; and transmitting a data signal including the encoded image and metadata about the omnidirectional video.
Abstract:
According to an aspect of the present invention, a method for transmitting omnidirectional video is disclosed. The method of transmitting omnidirectional video according to an embodiment of the present invention includes acquiring an image for the omnidirectional video, projecting the image for the omnidirectional video onto a 3D projection structure, packing the image projected onto the 3D projection structure in a 2D frame, encoding the image packed into the 2D frame, and transmitting a data signal containing the encoded image and metadata about the omnidirectional video.
Abstract:
The present invention provides an apparatus for processing at least one PDU (protocol data unit) in an N layer in a transmitting side of a broadcast system, the apparatus comprising a PDU processor for receiving at least one higher (N+1) layer PDU and generating a PDU including the received at least one higher (N+1) layer PDU and a PDU post-processor for post processing the generated PDU and transmitting the post-processed PDU to a lower (N−1) layer.
Abstract:
The present invention provides a method for transmitting a broadcast signal, and a system capable of supporting future broadcast services in an environment supporting future hybrid broadcast using terrestrial broadcast networks and the Internet. In addition, the present invention provides efficient signaling methods using both terrestrial broadcast networks and the Internet in an environment supporting future hybrid broadcast.
Abstract:
A broadcast signal transmission method according to an embodiment of the present invention may comprise the steps of: generating one or more input packets according to a first protocol; generating one or more link layer packets including the one or more input packets according to a second protocol; wherein each of the one or more link layer packets includes a header and a payload, and wherein the header includes packet type information which identifies types of the input packets, and payload configuration information which identifies whether the payload includes one input packets, or more than one input packets, or a part of one input packet; and generating a broadcast signal including the one or more link layer packets.
Abstract:
The present invention provides a method for providing a broadcast service. A method by which a broadcast signal transmitter provides the broadcast service, according to the present invention, can comprise the steps of: encoding media data into a media stream; generating signaling information for signaling the media stream; multiplexing the encoded media stream and the signaling information; and transmitting a broadcast signal including the multiplexed media stream and signaling information.
Abstract:
Provided is a method for transmitting a broadcast signal, the method including generating a plurality of input packets including broadcast data, generating at least one link layer packet using the input packets, wherein a header of the link layer packet includes packet type information and first length information, the packet type information indicates a type of an input packet included in a payload of the link layer packet, and the first length information indicates a length of the payload, generating a broadcast signal using the link layer packet, and transmitting the broadcast signal.
Abstract:
Disclosed is a broadcast signal transmission device. The broadcast signal transmission device according to one embodiment of the present invention comprises: a receiving unit for receiving a transmission protocol packet comprising a service signaling message for signaling a broadcast service; and a control unit for extracting the service signaling message from the received transmission protocol packet, and for obtaining information for providing a broadcast service from the extracted service signaling message.