Lg Electronics Inc.

Joonhee Yoon

Jongyeul Suh

Hyunmook Oh

Woosuk Kwon

Soojin Hwang

Minsung Kwak

Kyounghwan Kim

SungHyun Cho

Somi Park

Jonghwan Park

Seungryul Yang

Sangheon Lee

Jangwoong Park

Youngjun Jo

Youngwook Kang

Hyunkook Khang

A method for processing a multicast signal according to embodiments may comprise the steps of: generating multicast media data; generating signaling information regarding the multicast media data; transmitting the multicast media data in a multicast method, on the basis of at least one of a first network and a second network; and transmitting the signaling information regarding the multicast media data. An apparatus for processing a multicast signal according to embodiments comprises: a memory; and a processor connected to the memory. The processor may: receive multicast media data on the basis of at least one of a first network and a second network; and decode the multicast media data.

Method and apparatus for processing multicast signal

A media processing apparatus according to embodiments comprises: a memory; and a processor connected to the memory, wherein the processor may be configured to receive media on the basis of a session comprising multicast and unicast, receive multicast server configuration information for the media, receive multicast gateway configuration information for the media, and control the media. A media processing method according to embodiments may comprise the steps of: receiving media on the basis of a session comprising multicast and unicast; receiving multicast server configuration information for the media; receiving multicast gateway configuration information about the media; and controlling the media.

Disclosed herein is a media processing device including a receiver configured to receive a service and receive a service list for the service from a service list server, a processor configured to perform service discovery for the service based on the service list, and a displayer configured to display the service based on the service discovery. Disclosed herein is a media processing device including a memory and a processor connected to the memory, wherein the processor may be configured to transmit a service, and transmit a service list for the service from a service list server, wherein the service list may be used to perform service discovery for the service.

Media processing device and media processing method

A broadcast signal transmission method according to one embodiment of the present disclosure comprises an IP layer processing step of generating Internet protocol (IP) packets including broadcast data and generating fragmented IP packets by fragmenting at least one IP packet of the IP packets in order to transmit to a link layer, a first link layer processing step of restoring the at least one IP packet by combining the fragmented IP packets of the IP packets output at the IP layer processing step, a second link layer processing step of performing header compression of IP packet including the restored at least one IP packet, and a third link layer processing step of encapsulating the header compressed IP packets into at least one link layer packet and transmitting the at least one link layer packet to a physical layer.

Broadcast signal transmission device, broadcast signal transmission method, broadcast signal reception device, and broadcast signal reception method

A broadcast signal transmission method comprises outputting an RoHC channel that includes one or more RoHC streams and a signaling table that includes information related to header compression by performing header compression for Internet Protocol (IP) packets, which include broadcast data, in accordance with an adaptation mode, a header of each IP packet including an IP header and a User Datagram Protocol (UDP) header, generating at least one first link layer packet that includes the RoHC channel and generating at least one second link layer packet that includes the signaling table, and physical layer processing the at least one first link layer packet and the at least one second link layer packet and transmitting through one or more Physical Layer Pipes (PLPs), wherein the signaling table includes adaptation mode information indicating the adaptation mode, and each RoHC stream in the RoHC channel includes RoHC packets.

Broadcast signal transmission apparatus, broadcast signal transmission method, broadcast signal reception apparatus and broadcast signal reception method

A signal transmitting method comprising: inserting a context identifier and a keyword in service data to generate a content; extracting the service data from the content; inserting a description including the context identifier and the keyword to generate media data; generating signaling information including the context identifier and the keyword; and transmitting a signal including the media data and the signaling information.

Signal transmitting device, signal receiving device, signal transmitting method, and signal receiving method

The present invention proposes a method of transmitting a broadcast signal. The method of transmitting a broadcast signal according to the present invention provides a system capable of supporting next-generation broadcast services in an environment supporting next-generation hybrid broadcast using terrestrial broadcast networks and the Internet. In addition, an efficient signaling method for covering terrestrial broadcast networks and the Internet in an environment supporting next-generation hybrid broadcast is proposed.

Method and device for transmitting and receiving broadcast signal for application file filtering in hybrid broadcast system

The present invention relates to a device for transmitting and receiving a signal and a method for transmitting and receiving a signal. One embodiment of the present invention provides a method for transmitting a signal, comprising the steps of: encoding video source data and outputting video data including a supplemental enhancement information (SEI) message having group of pictures (GOP) metadata; and transmitting the video data. According to the embodiment of the present invention, a trick play for an encoded stream can be more efficiently provided.

Signal transmission/reception device and signal transmission/reception method for providing trick play service

The present invention relates to a signal transmission and reception apparatus and a signal transmission and reception method. An embodiment of the present invention provides a signal transmission method comprising: a step (S) of encoding video data; a step (S) of encoding a file format including the encoded video data, wherein the file format includes pre-filtering information for trick play; and a step (S) of transmitting data including the encoded file format. According to an embodiment of the present invention, it is possible to provide trick play for an encoded stream more efficiently.

Signal transmission and reception apparatus and signal transmission and reception method for providing trick play service

The present invention relates to a method and device for transmitting and receiving a broadcast signal for providing trick play in a digital broadcasting system. A broadcast signal transmission method, according to an embodiment of the present invention, comprises the steps of: generating a video stream by encoding video data, wherein the video stream comprises PVR assist information for performing trick play of the video data; generating signaling information; multiplexing the video stream and the signaling information into one broadcast stream; generating a broadcast signal comprising the multiplexed broadcast stream; and transmitting the generated broadcast signal.

Method and device for transmitting and receiving broadcast signal for providing trick play service in digital broadcasting system

The present invention relates to a method and a device for transmitting and receiving a broadcast signal for an HEVC stream trick play. The method for transmitting a broadcast signal, according to one embodiment of the present invention, comprises the steps of: generating a video stream by encoding video data, wherein the video stream comprises PVR assist information having the maximum temporal identification information value of the video stream; generating a broadcast signal comprising the generated video stream; and transmitting the generated broadcast signal.

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Seoul, South Korea

Joonhee Yoon