公开(公告)号：US11343005B2

公开(公告)日：2022-05-24

申请号：US17245893

申请日：2021-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Jangwon Lee ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L29/06 ,  H04L29/08 ,  H04H20/95 ,  H04L65/60 ,  H04L65/80 ,  H04L65/1066 ,  H04L65/611 ,  H04L67/51 ,  H04L1/00

Abstract: A method for providing a service based on hybrid networks including a broadcast network and a broadband network in a digital transmitter, includes generating multiple service components of the service and service layer signaling (SLS) information for the service; generating data for providing bootstrap information that allows a receiver to discover the SLS information for the service; transmitting a first signal comprising a first service component among the multiple service components, the SLS information and the data via the broadcast network, wherein the first service component is carried via a first Layered Coding Transport (LCT) channel included in a Real-time Object delivery over Unidirectional Transport (ROUTE) session, wherein the bootstrap information included in the data is used to represent a second LCT channel that carries the SLS information; and transmitting a second signal comprising a second service component among the multiple service components via the broadband network.

公开(公告)号：US11323490B2

公开(公告)日：2022-05-03

申请号：US17135121

申请日：2020-12-28

Applicant: LG ELECTRONICS INC.

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

IPC: G06F15/16 ,  H04L65/1066 ,  H04L67/30 ,  H04L67/14 ,  H04L69/22 ,  H04L65/65 ,  H04N21/2362 ,  H04N21/434 ,  H04N21/462 ,  H04N21/482 ,  H04N21/845 ,  H04L61/5007 ,  H04L65/611 ,  H04L67/02 ,  H04N21/234 ,  H04N21/235 ,  H04N21/236 ,  H04N21/643 ,  H04L69/326

Abstract: An apparatus for transmitting a broadcast signal includes a processor configured to format a plurality of Internet Protocol (IP) packets to output one or more Physical Layer Pipes (PLPs). Further, the plurality of IP packets includes signaling information for listing broadcast service, a content component for a broadcast service and service signaling information, the service signaling information including format information representing a payload format of an object; and a time interleaver configured to time interleave data in a PLP based on a Time Interleaving (TI) block. In addition, the TI block including data FEC blocks, and a number of the data FEC blocks is equal to a difference between a maximum value for the TI block and a number of virtual FEC blocks; and a transmitter configured to transmit the broadcast signal including the time interleaved data. Further, the signaling information is transmitted at an IP packet level, and the service signaling information is transmitted through transport packets included in the IP packets.

公开(公告)号：US11277599B2

公开(公告)日：2022-03-15

申请号：US16556156

申请日：2019-08-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung Hur ,  Sejin Oh ,  Jangwon Lee

IPC: H04N13/183 ,  H04N13/161 ,  H04N13/178 ,  H04N13/133 ,  H04N13/282

Abstract: Provided is a 360-degree image data processing method performed by a 360-degree video reception apparatus. The method includes receiving 360-degree image data, obtaining information on an encoded picture and metadata from the 360-degree image data, decoding a picture based on the information on the encoded picture, rendering the decoded picture and an overlay based on the metadata, in which the metadata includes overlay related metadata, the overlay is rendered based on the overlay related metadata, the overlay related metadata includes information on an alpha plane of the overlay, and the information on the alpha plane of the overlay is included in a image item or a video track.

公开(公告)号：US11140378B2

公开(公告)日：2021-10-05

申请号：US16505173

申请日：2019-07-08

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon Lee ,  Sejin Oh

IPC: H04N13/178 ,  H04N13/139 ,  H04N13/161

Abstract: The present invention relates to a 360-degree video data processing method performed by a 360-degree video reception apparatus, the method comprising: receiving 360-degree video data, obtaining information on an encoded picture and metadata from the 360-degree video data, decoding at least a part of a picture based on the information on the encoded picture and rendering at least a part of the decoded picture based on the metadata, and the decoded picture is a composition picture and the metadata includes indication information related to whether the composition picture is identical to a projected picture.

公开(公告)号：US11044501B2

公开(公告)日：2021-06-22

申请号：US16862312

申请日：2020-04-29

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Seungryul Yang ,  Woosuk Ko ,  Jangwon Lee ,  Kyoungsoo Moon ,  Sungryong Hong

IPC: H04N21/236 ,  H04N21/2362 ,  H04N21/438 ,  H04N21/4385 ,  H04N21/858 ,  H04N21/2383 ,  H04N21/6332 ,  H04N21/84 ,  H04N21/643 ,  H04N21/61

Abstract: A method for transmitting a broadcast signal is disclosed. The method for transmitting a broadcast signal according to an embodiment of the present invention includes performing delivery layer processing of a broadcast service data and signaling information for the broadcast service data, performing UDP/IP encapsulation of a broadcast service data and signaling information for the broadcast service data and performing physical layer processing of a broadcast service data and signaling information for the broadcast service data.

公开(公告)号：US11032200B2

公开(公告)日：2021-06-08

申请号：US16882070

申请日：2020-05-22

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Jangwon Lee ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L12/741 ,  H04N7/08 ,  H04N21/2343 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/647 ,  H04N21/643 ,  H04N21/845 ,  H04N21/854 ,  H04N21/2362 ,  H04N21/254 ,  H04N21/8352 ,  H04N21/443 ,  H04N21/858 ,  H04L12/24 ,  H04L29/12 ,  H04L29/06 ,  H04L29/08

Abstract: A method for transmitting a broadcast signal in a digital transmitter, includes generating, by a processor, service data of a broadcast service and service signaling information for signaling the service data, the service data including first service components delivered on a Moving Picture Experts Group (MPEG) Media Transport Protocol (MMTP) session or second service components delivered on a Real-Time Object Delivery over Unidirectional Transport (ROUTE) session; generating, by the processor, a service list table including bootstrap information and protocol information for a type of delivery protocol of the service signaling information, wherein the protocol information for the type of delivery protocol of the service signaling information relates to the MMTP or the ROUTE; generating, by the processor, a broadcast signal including the service signaling information, the service list table, and the first or second service components; and transmitting, by a broadcasting antenna, the generated broadcast signal.

公开(公告)号：US20210144415A1

公开(公告)日：2021-05-13

申请号：US17152438

申请日：2021-01-19

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/2381 ,  H04N21/8547 ,  H04L1/00 ,  H04N21/63 ,  H04B7/0413 ,  H04N21/462 ,  H04N21/2383 ,  H04H20/42 ,  H04H60/82 ,  H04H60/40 ,  H04N21/236 ,  H04N21/233 ,  H04N21/234 ,  H04N21/242

Abstract: Provided is a method for transmitting a broadcast signal. The method for transmitting a broadcast signal, according to the present invention, can be a broadcast content transmitting method, comprising the steps of: generating, by a first module, a first media stream for broadcast content wherein the first media stream includes a plurality of packets, and at least one of the packets includes time information; generating, by a second module, a second media stream for the broadcast content; transmitting, by a third module, the first media stream through a broadcast network; receiving, by a fourth module, a request for the second media stream from a receiver; and transmitting, by the fourth module, the second media stream to the receiver through the Internet network.

公开(公告)号：US10938511B2

公开(公告)日：2021-03-02

申请号：US16842297

申请日：2020-04-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04L1/00 ,  H04N21/235 ,  H04N21/236 ,  H04N21/2383 ,  H04L29/06

Abstract: A method for transmitting a broadcast signal in a digital transmitter, includes generating at least one component for at least one service, wherein the at least one component is carried based on a ROUTE protocol; generating at least one signaling data, wherein the at least one signaling data includes broadcast stream ID for identifying one or more broadcast streams comprising the at least one service, first capability information for presenting all services in the at least signaling data, service ID for identifying the at least one service, and second capability information for presenting a specific service related to the service ID information; and transmitting the broadcast signal comprising the at least one signaling data and the at least one component, wherein the at least one component is carried via at least one physical layer pipe.

公开(公告)号：US20210021358A1

公开(公告)日：2021-01-21

申请号：US17031591

申请日：2020-09-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04H20/72 ,  H04H20/42 ,  H04N21/434 ,  H04H20/81

Abstract: The present invention provides a method for transmitting a broadcasting signal. A method for transmitting a broadcasting signal according to the present invention suggests a system capable of supporting a next generation broadcasting service in an environment which supports a next generation hybrid broadcast using a terrestrial broadcast network and an internet network. Furthermore, in an environment which supports a next generation hybrid broadcast, suggested is an efficient signaling scheme which can embrace both a terrestrial broadcast network and an internet network.

公开(公告)号：US10887577B2

公开(公告)日：2021-01-05

申请号：US16304540

申请日：2017-05-19

Applicant: LG Electronics Inc.

Inventor： Sejin Oh ,  Jangwon Lee ,  Jongyeul Suh

IPC: H04N13/194 ,  H04N13/00 ,  H04N19/597 ,  H04N19/46 ,  H04N13/178 ,  H04N13/161 ,  H04N5/232 ,  H04N5/262 ,  H04N21/81

Abstract: A 360-degree video data processing method performed by an apparatus for transmitting a 360-degree video according to the present invention comprises the steps of: obtaining 360-degree video data captured by at least one camera; obtaining a 2D-based picture by processing the 360-degree video data; generating metadata associated with the 360-degree video data; encoding the picture; and performing processing for storing or transmitting the encoded picture and the metadata, wherein the metadata includes information on the central point of the picture, and the information on the central point of the picture indicates whether spherical coordinates in a spherical plane corresponding to the central point of the picture have a yaw value of 0 and a pitch value of 0, respectively.