公开(公告)号：US10448105B2

公开(公告)日：2019-10-15

申请号：US15709081

申请日：2017-09-19

Applicant: LG ELECTRONICS INC.

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

IPC: H04N7/025 ,  H04N21/462 ,  H04L1/00 ,  H04N7/24 ,  H04N21/2383 ,  H04N21/854 ,  H03M13/11 ,  H03M13/27 ,  H04N5/40 ,  H04N21/242 ,  H04N21/262 ,  H04N21/43 ,  H04N21/2362 ,  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 hit 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：US10389855B2

公开(公告)日：2019-08-20

申请号：US15980887

申请日：2018-05-16

Applicant: LG ELECTRONICS INC.

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

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

Abstract: A broadcast receiver for receiving a broadcast signal includes a receiver for receiving the broadcast signal including Physical Layer Pipe(PLP)s, wherein the PLPs carry link layer packets and wherein the link layer packets include one or more Internet protocol (IP) packets, a packet decoder for decoding the link layer packets from the PLPs, wherein the link layer packets include a compression information table related to a header-compressed stream of a first group of IP packets among the IP packets, and wherein the compression information table includes a PLP identifier identifying a PLP among the PLPs, a maximum value of an context identifier of the header-compressed stream, and a context profile being a range of protocols used for the header-compressed stream, a signaling decoder for decoding the compression information table in the decoded link layer packets, and a decompressor for decompressing the header-compressed stream to output the first group of IP packets.

公开(公告)号：US10375375B2

公开(公告)日：2019-08-06

申请号：US15680901

申请日：2017-08-18

Applicant: LG ELECTRONICS INC.

Inventor： Soojin Hwang ,  Sejin Oh ,  Tung Chin Lee

IPC: H04N19/70 ,  H04N13/183 ,  H04N21/845 ,  H04N21/488 ,  H04N13/156 ,  H04N13/161 ,  H04N13/194 ,  H04N13/178 ,  H04N13/128

Abstract: A method and apparatus of/for providing subtitles for a 360-degree content, the method including generating 360-degree video data captured by at least one camera; stitching the 360-degree video data; projecting the 360-degree video data to a 2D image; encoding the 2D image into a video stream; generating a 360-degree subtitle Supplemental Enhancement Information (SEI) message for signaling a subtitle for the 360-degree content; inserting the 360-degree subtitle SEI message into the video stream; and generating a signal including the video stream, and transmitting the signal.

公开(公告)号：US10334294B2

公开(公告)日：2019-06-25

申请号：US15890929

申请日：2018-02-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/06 ,  H04L12/18 ,  H04N21/236 ,  H04N21/643 ,  H04N21/2383 ,  H04N21/2385

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, generating input packets including broadcast content data; generating a link layer packet by using the generated input packets, wherein the link layer packet includes a link layer header and a link layer payload including the generated input packets, wherein the link layer header includes a count field indicating number of the input packets included in the link layer payload, wherein the link layer header further includes a length part, wherein the length part includes a plurality of length fields as many as that the count field indicates, wherein each of the length fields indicates length of the each input packets included in the link layer payload; generating a broadcast signal including the generated link layer packet; and transmitting the broadcast signal.

公开(公告)号：US10237591B2

公开(公告)日：2019-03-19

申请号：US15754698

申请日：2016-09-06

Applicant: LG ELECTRONICS INC.

Inventor： Soojin Hwang ,  Jongyeul Suh ,  Sejin Oh ,  Hyunmook Oh

IPC: H04N21/2362 ,  H04N21/236 ,  H04N21/488 ,  H04N21/8543 ,  H04N21/434 ,  H04N21/854

Abstract: The present invention presents a method for transmitting a broadcast signal. The method for transmitting a broadcast signal, according to the present invention, presents a system capable of supporting a next-generation broadcast service in an environment supporting next-generation hybrid broadcasting using a terrestrial broadcast network and an Internet network. In addition, presented is an efficient signaling method capable of covering both the terrestrial broadcast network and the Internet network in the environment supporting the next-generation hybrid broadcasting.

公开(公告)号：US10123079B2

公开(公告)日：2018-11-06

申请号：US14902809

申请日：2014-07-14

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Kyoungsoo Moon ,  Woosuk Kwon

IPC: H04N7/16 ,  H04N21/462 ,  H04N21/438 ,  H04N21/2362 ,  H04N21/2665 ,  H04N21/434 ,  H04N21/435 ,  H04N21/61 ,  H04N21/63 ,  H04H60/73

Abstract: A receiver for processing a broadcast signal in a hybrid broadcasting system combining a broadcast network and a broadband network, according to one embodiment of the present invention, comprises a receiving unit for receiving a digital broadcast signal; a signal decoder for parsing FAC data or a common data unit included in the received broadcast signal and parsing network information from the FAC data or the common data; a service signaling channel processor for parsing a base data unit indicated by a base data unit identifier and parsing signaling data from the base data unit; and an audio/video processor for decoding broadcasting service using the signaling data.

公开(公告)号：US10080055B2

公开(公告)日：2018-09-18

申请号：US15104106

申请日：2014-12-23

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/462 ,  H04N21/2383 ,  H04N21/43 ,  H04N21/434 ,  H04N21/439 ,  H04N21/44 ,  H04N21/61 ,  H04N21/8547 ,  H04L29/06

CPC classification number: H04N21/4622 ,  H04L65/4076 ,  H04L65/60 ,  H04N21/2383 ,  H04N21/4305 ,  H04N21/4307 ,  H04N21/4342 ,  H04N21/439 ,  H04N21/44 ,  H04N21/6125 ,  H04N21/8547

Abstract: The present invention provides an apparatus for receiving a broadcast content via one or more networks. The apparatus comprises a broadcast network interface for receiving a broadcast stream including a first portion of the broadcast content via a broadcast network, a heterogeneity network interface for receiving a heterogeneity stream including a second portion of the broadcast content via a heterogeneity network, and wherein the broadcast stream further includes timeline component access units containing metadata for synchronizing streams transmitted via the one or more networks, and wherein the timeline component access units include timestamp information representing first timestamps for the heterogeneity stream, a processor for configuring the broadcast content using the broadcast stream and the heterogeneity stream based on the timestamp information.

公开(公告)号：US10079649B2

公开(公告)日：2018-09-18

申请号：US15503130

申请日：2015-09-08

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Woosuk Kwon ,  Woosuk Ko ,  Sungryong Hong

IPC: H04H60/06 ,  H04H20/33 ,  H04H60/82 ,  H04N21/2368 ,  H04N21/233 ,  H04N21/234 ,  H04N21/61 ,  H04N5/92 ,  H04J11/00 ,  H04H20/59 ,  H04B7/0413

CPC classification number: H04H60/06 ,  H04B7/0413 ,  H04H20/33 ,  H04H20/59 ,  H04H60/07 ,  H04H60/73 ,  H04H60/82 ,  H04J11/00 ,  H04N5/9201 ,  H04N21/233 ,  H04N21/234 ,  H04N21/2362 ,  H04N21/2368 ,  H04N21/2383 ,  H04N21/61 ,  H04N21/6332

Abstract: The present invention proposes a method for providing a broadcast service. The method for providing a broadcast service in a broadcast signal transmitter according to the present invention may comprise the steps of: encoding media data to a media stream; creating signaling information for signaling the media stream; multiplexing the encoded media stream and the signaling information; and transmitting a broadcast signal comprising the multiplexed media stream and the signaling information.

公开(公告)号：US10075747B2

公开(公告)日：2018-09-11

申请号：US15899946

申请日：2018-02-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04L12/28 ,  H04N21/2362 ,  H04N21/8543 ,  H04N21/845 ,  H04N21/2343 ,  H04N21/643 ,  H04N21/64 ,  H04N21/2385 ,  H04N21/43 ,  H04H60/73

CPC classification number: H04N21/2362 ,  H04H60/73 ,  H04N21/23439 ,  H04N21/2385 ,  H04N21/43 ,  H04N21/64 ,  H04N21/64322 ,  H04N21/8456 ,  H04N21/8543

Abstract: A method of processing a broadcast signal is discussed. The method includes generating service components of a broadcast service; generating first signaling data and second signaling data, the first signaling data for locating the second signaling data, the second signaling data signaling the broadcast service; processing the service components and the second signaling data into transport packets, wherein the first signaling data includes destination Internet Protocol (IP) address information, a destination port number, and source IP address information through which the second signaling data is delivered; and transmitting the broadcast signal including the first signaling data and the transport packets.

公开(公告)号：US20180184136A1

公开(公告)日：2018-06-28

申请号：US15903348

申请日：2018-02-23

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Woosuk Kwon ,  Jangwon Lee

IPC: H04N21/2387 ,  H04N21/61 ,  H04N21/21 ,  H04L29/08 ,  H04N21/238 ,  H04N21/236 ,  H04N21/23 ,  H04N21/218 ,  H04N21/235 ,  H04N21/234 ,  H04N21/232 ,  H04N21/233 ,  H04N21/20 ,  H04N21/2381

CPC classification number: H04N21/2387 ,  H04L67/02 ,  H04L69/326 ,  H04N21/20 ,  H04N21/21 ,  H04N21/218 ,  H04N21/23 ,  H04N21/232 ,  H04N21/233 ,  H04N21/234 ,  H04N21/235 ,  H04N21/2353 ,  H04N21/236 ,  H04N21/23611 ,  H04N21/238 ,  H04N21/2381 ,  H04N21/6125

Abstract: A broadcast reception apparatus includes a packet receiver to receive transport packets for signaling data through a dedicated transport channel, and receive transport packets for a delivery object through other transport channels, wherein the delivery object is a part of a file for video content of a broadcast service, a signaling parser to extract the signaling data including session description information and an extended file delivery table providing information about delivery of the file, and a data processor to recover the delivery object based on the signaling data, and generate location information for the file by substituting file template information included in the extended file delivery table with a Transport Object Identifier (TOI) in a header of a transport packet for the delivery object.