公开(公告)号：US10904620B2

公开(公告)日：2021-01-26

申请号：US16572313

申请日：2019-09-16

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Woosuk Kwon ,  Sungryong Hong ,  Kyoungsoo Moon ,  Jangwon Lee ,  Woosuk Ko

IPC: H04N21/462 ,  H04L1/00 ,  H04N7/24 ,  H04N21/2383 ,  H04N21/854 ,  H04N21/2362 ,  H03M13/11 ,  H03M13/27 ,  H04N5/40 ,  H04N21/242 ,  H04N21/262 ,  H04N21/43 ,  H04H20/40 ,  H04H60/39 ,  H04H60/07

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting input streams into Data Pipe (DP) data, Low-Density Parity-Check (LDPC) encoding the DP data according to a code rate, bit interleaving the LDPC encoded DP data, mapping the bit interleaved DP data onto constellations, building at least one signal frame including the mapped DP data, and modulating data in the built signal frame by an Orthogonal Frequency Division Multiplexing (OFDM) method and transmitting the broadcast signals having the modulated data, wherein the input streams include Audio/Video (A/V) data and service guide data, and wherein the Audio/Video (A/V) data and service guide data are included in first ISO base media file format (ISOBMFF) files.

公开(公告)号：US20200351449A1

公开(公告)日：2020-11-05

申请号：US16964308

申请日：2019-01-31

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Sooyeon Lee

IPC: H04N5/265 ,  H04L29/06

Abstract: A communication method for an image transmission device in a wireless communication system, in accordance with the present invention, comprises the steps of: acquiring information on at least one image for which stitching is to be performed; generating metadata for the stitching, on the basis of the information on the at least one image; and transmitting the metadata for the stitching to an image reception device.

公开(公告)号：US10727964B2

公开(公告)日：2020-07-28

申请号：US15327578

申请日：2015-09-03

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Woosuk Ko ,  Sungryong Hong ,  Minsung Kwak ,  Woosuk Kwon ,  Jangwon Lee

IPC: H04H20/95 ,  H04N21/2383 ,  H04N21/236 ,  H04N21/438 ,  H04N21/434 ,  H04H60/73 ,  H04L29/06

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.

公开(公告)号：US10687043B2

公开(公告)日：2020-06-16

申请号：US15685631

申请日：2017-08-24

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon Lee ,  Sejin Oh ,  Jongyeul Suh

IPC: H04N13/194 ,  G06T9/00 ,  H04N13/178 ,  H04N13/106 ,  G06T3/00 ,  G06T15/20 ,  H04N21/236 ,  G06T15/04

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.

公开(公告)号：US10659945B2

公开(公告)日：2020-05-19

申请号：US16392346

申请日：2019-04-23

Applicant: LG ELECTRONICS INC.

Inventor： Jinwon Lee ,  Sejin Oh ,  Kyoungsoo Moon ,  Seungjoo An ,  Woosuk Ko ,  Sungryong Hong

IPC: H04W4/90 ,  H04L29/08 ,  H04W4/80 ,  H04H20/08 ,  H04H20/59 ,  H04W4/06 ,  H04W88/04

Abstract: Provided is a broadcast receiving device receiving a broadcast service interoperating with a companion device. The broadcast receiving device includes: an IP communication unit configured to establish a pairing session with the companion device; a broadcast communication unit configured to receive an emergency alert message including an emergency alert alerting a disaster situation on the basis of the broadcast service; and a control unit configured to transmit information on the emergency alert message to the companion device.

公开(公告)号：US10659761B2

公开(公告)日：2020-05-19

申请号：US16479907

申请日：2018-01-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook Oh ,  Sejin Oh

IPC: H04N13/194 ,  H04N5/232 ,  H04N13/122 ,  H04N13/161 ,  H04N13/178

Abstract: According to one aspect of the present invention, the present invention may relate to a method for transmitting a 360 video. The method for transmitting a 360 video may include processing a plurality of circular images captured by a camera having at least one fisheye lens; encoding a picture to which the circular images are mapped; generating signaling information about the 360 video data; encapsulating the encoded picture and the signaling information into a file, and transmitting the file.

公开(公告)号：US10652598B2

公开(公告)日：2020-05-12

申请号：US16412049

申请日：2019-05-14

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon Lee ,  Sejin Oh ,  Kyoungsoo Moon ,  Woosuk Ko ,  Sungryong Hong

IPC: H04N21/236 ,  H04N21/6437 ,  H04N21/845 ,  H04L29/06

Abstract: A broadcast transmitter for processing a broadcast signal is discussed. The broadcast transmitter includes a packetizer to generate transport packets based on a Layered Coding Transport (LCT) format, wherein the transport packets are used to transport at least one delivery object and signaling data; and a transmitter to transmit the broadcast signal comprising the transport packets, wherein the signaling data includes a real-time attribute which is a boolean flag that is set to true when the transport packets carry a real-time content that is comprised of the at least one delivery object, and wherein a header of at least one transport packet of the transport packets includes codepoint information for indicating a type of a payload that is carried by the at least one transport packet, transport object identifier information for identifying the at least one delivery object, and information for identifying a starting position of a fragment of the delivery object carried in the at least one transport packet.

公开(公告)号：US10582029B2

公开(公告)日：2020-03-03

申请号：US16504113

申请日：2019-07-05

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Sejin Oh ,  Minsung Kwak ,  Kyoungsoo Moon ,  Jangwon Lee

IPC: H04L29/06 ,  H04N21/435 ,  H04N21/434 ,  H04N21/2381 ,  H04N21/2362 ,  H04L29/08 ,  H04N21/235 ,  H04W4/06 ,  H04L29/12

Abstract: A digital broadcast receiver for processing a broadcast signal, includes a tuner configured to receive the broadcast signal including Physical Layer Pipes (PLPs), wherein the PLPs carry link layer packets; and a controller coupled to the tuner, wherein the controller is configured to decode a specific PLP, acquire signaling information for header compression, wherein the signaling information for header compression includes a PLP identifier for the signaling information for header compression, profile information for representing a range of multiple protocols used to compress at least one stream, and a maximum value of a context identifier, decode another PLP to receive the at least one compressed stream based on the signaling information for header compression, and decompress the at least one compressed stream.

公开(公告)号：US10567851B2

公开(公告)日：2020-02-18

申请号：US16157779

申请日：2018-10-11

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Sejin Oh ,  Kyoungsoo Moon

IPC: H04N21/845 ,  H04N21/61 ,  H04N21/643 ,  H04N21/2381 ,  H04W4/06

Abstract: Provided is a method for transmitting a broadcast signal. The method includes 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 packet configuration information, the packet type information indicates a type of an input packet included in a payload of the link layer packet, and the packet configuration information indicates a payload configuration of the link layer packet, generating a broadcast signal using the link layer packet, and transmitting the broadcast signal.

公开(公告)号：US10523731B2

公开(公告)日：2019-12-31

申请号：US14915483

申请日：2015-10-20

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Minsung Kwak ,  Sejin Oh

IPC: H04L29/06 ,  H04N21/00 ,  H04H60/07 ,  H04L29/08

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 capable of supporting future broadcast services in an environment supporting future hybrid broadcasting using terrestrial broadcast networks and the Internet. In addition, the present invention proposes efficient signaling methods for both terrestrial broadcast networks and the Internet in an environment supporting future hybrid broadcasting.