公开(公告)号：US09800934B2

公开(公告)日：2017-10-24

申请号：US14893753

申请日：2014-06-12

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

CPC classification number: H04N21/462 ,  H03M13/1102 ,  H03M13/2792 ,  H04H20/40 ,  H04H60/07 ,  H04H60/39 ,  H04L1/00 ,  H04L1/0041 ,  H04N5/40 ,  H04N7/24 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/242 ,  H04N21/26275 ,  H04N21/4302 ,  H04N21/85406

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：US11706467B2

公开(公告)日：2023-07-18

申请号：US17585104

申请日：2022-01-26

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

CPC classification number: H04N21/2381 ,  H04B7/0413 ,  H04H20/423 ,  H04H60/40 ,  H04H60/82 ,  H04L1/004 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0075 ,  H04N21/233 ,  H04N21/234 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/242 ,  H04N21/4622 ,  H04N21/631 ,  H04N21/8547 ,  H04H2201/37 ,  H04L2001/0093

Abstract: A method of processing a service in a transmitter, and including generating, by a hardware processor, a first media component and a second media component for the service; generating, by the hardware processor, signaling data for the service; time interleaving, by a time interleaver, the first media component, wherein the first media component is time-interleaved by column-wise writing actual Forward Error Correction (FEC) blocks including the first media component in a Time Interleaving (TI) memory and diagonal-wise reading the first media component in the actual FEC blocks from the TI memory, wherein one or more virtual FEC blocks are skipped during the diagonal-wise reading the written first media component, and wherein a number of the one or more virtual FEC blocks is equal to a difference between a number of the actual FEC blocks and a column number of the TI memory; generating, by a signaling generator, physical layer signaling information, wherein the physical layer signaling information includes first physical layer signaling information and second physical layer signaling information, wherein the first physical layer signaling information includes information for identifying a size of the second physical layer signaling information and wherein the second physical layer signaling information includes information for obtaining the column number of the TI memory; transmitting, by an antenna, the time-interleaved first media component, the physical layer signaling information and the signaling data through a broadcast network; and transmitting, by a network interface, the second media component to a receiver through a broadband network. Further, the signaling data transmitted through the broadcast network includes first timeline information for specifying a timeline of the first media component transmitted through the broadcast network and uniform resource location information for the second media component.

公开(公告)号：US11706397B2

公开(公告)日：2023-07-18

申请号：US17649923

申请日：2022-02-03

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung Hur ,  Sejin Oh ,  Jangwon Lee

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

CPC classification number: H04N13/183 ,  H04N13/133 ,  H04N13/161 ,  H04N13/178 ,  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：US11678346B2

公开(公告)日：2023-06-13

申请号：US17523562

申请日：2021-11-10

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/00 ,  H04W72/30 ,  H04W4/06 ,  H04L1/00 ,  H04N21/00 ,  H04L5/00 ,  H04L69/22 ,  H04L27/26 ,  H04L69/164 ,  H04L1/08 ,  H04L69/16

CPC classification number: H04W72/30 ,  H04L1/0009 ,  H04L1/0042 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0007 ,  H04L27/2601 ,  H04L69/164 ,  H04L69/22 ,  H04N21/00 ,  H04W4/06 ,  H04L1/08 ,  H04L5/0091 ,  H04L69/16 ,  H04L2001/0093

Abstract: A method for transmitting a broadcast signal in a digital broadcast transmitter, the method including generating components of a service; generating first signaling information including session instance description information for at least one Real-Time Object Delivery over Unidirectional Transport (ROUTE) session and at least one Layered Coding Transport (LCT) channel in which the components of the service are delivered, wherein the session instance description information includes first source Internet Protocol (IP) address information of the at least one ROUTE session, first destination IP address information of the at least one ROUTE session, first destination port information of the at least one ROUTE session, and transport session identification information for the at least one LCT channel; generating second signaling information which is used for acquiring the first signaling information, wherein the second signaling information includes information for indicating a channel number of the service, wherein the second signaling information further includes bootstrap information and signaling transport mode information for indicating a type of delivery protocol of the first signaling information, and further the bootstrap information changes depending on the signaling transport mode information, and wherein the bootstrap information included in the second signaling information includes second source IP address information, second destination IP address information, and second destination port information for the first signaling information, wherein the at least one LCT channel is acquired based on the bootstrap information included in the second signaling information; and transmitting the broadcast signal including the components of the service, the first signaling information, and the second signaling information based on at least one Physical Layer Pipe (PLP).

公开(公告)号：US20220368852A1

公开(公告)日：2022-11-17

申请号：US17744376

申请日：2022-05-13

Applicant: LG ELECTRONICS INC.

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

IPC: H04N7/088 ,  H04N21/235 ,  H04N21/236 ,  H04L1/00 ,  H04L67/02 ,  H04N21/434 ,  H03M13/00 ,  H03M13/25 ,  H03M13/29 ,  H03M13/27 ,  H04L65/65 ,  H04L65/70 ,  H04L65/611 ,  H03M13/11 ,  H04L65/80 ,  H04N21/2362 ,  H04N21/2665 ,  H04N21/858 ,  H04W4/06

Abstract: A method for transmitting a broadcast signal according to an embodiment of the present invention comprises generating service layer signaling information for discovery and acquisition of a broadcast service and a content component of the broadcast service; generating service list information including for service list building and discovery of the service layer signaling information; and physical layer processing of the service list information, service layer signaling information, and content component.

公开(公告)号：US11363248B2

公开(公告)日：2022-06-14

申请号：US16494749

申请日：2017-07-25

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon Lee ,  Sejin Oh ,  Hyunmook Oh ,  Soojin Hwang

IPC: H04N13/00 ,  H04N13/161 ,  H04N13/178 ,  H04N13/194 ,  H04N19/103 ,  H04N19/433 ,  H04N19/55 ,  H04N19/577 ,  H04N19/65 ,  H04N19/40 ,  H04N19/96 ,  H04N19/186

Abstract: A 360-degree video data processing method performed by a 360-degree video transmission device, according to the present invention, comprises the steps of: acquiring 360-degree video data; processing the 360-degree video data so as to acquire a 2D picture; dividing the 2D picture so as to derive sub-pictures; generating metadata for the 360-degree video data; encoding at least one of the sub-pictures; and performing processing for storing or transmitting the encoded at least one sub-picture and the metadata, wherein the metadata includes position information of the sub-picture on the 2D picture.

公开(公告)号：US11349895B2

公开(公告)日：2022-05-31

申请号：US16989173

申请日：2020-08-10

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04N21/45 ,  H04N21/84 ,  H04N21/434 ,  H04N21/61 ,  H04H60/73 ,  H04H20/93 ,  H04L65/60 ,  H04N21/2362 ,  H04L65/611

Abstract: A method for generating and processing a broadcast signal according to an embodiment of the present invention includes encoding broadcast data for one or more broadcast services, encoding first level signaling information including information describing properties of the one or more broadcast services, encoding second level signaling information including information for scanning the one or more broadcast services and generating a broadcast signal including the broadcast data, the first level signaling information and the second level signaling information, wherein the first level signaling information includes user service description (USD) information describing service layer properties with respect to the broadcast services, wherein the USD information includes capability information specifying capabilities necessary to present broadcast content of the broadcast services.

公开(公告)号：US11336699B2

公开(公告)日：2022-05-17

申请号：US17140359

申请日：2021-01-04

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04L65/1066 ,  H04N21/434 ,  H04N21/438 ,  H04N21/61 ,  H04L65/60 ,  H04L65/611 ,  H04L65/80 ,  H04L69/324 ,  H04L69/326

Abstract: A method of processing a broadcast signal in a broadcast receiver includes receiving the broadcast signal including service data of a service, first signaling information for fast channel scans and service acquisition, and second signaling information providing information for discovery and acquisition of the service data. Further, the first signaling information includes bootstrap information for the second signaling information, identification information for identifying the service, category information for indicating a category of the service and capability information specifying a capability required to decode the service data. In addition, the second signaling information is carried in a Layered Coding Transport (LCT) channel that is identified by a Transport Session Identifier (TSI), and the bootstrap information includes address and port information for access of the second signaling information. The method also includes acquiring the service data based on at least the first signaling information or the second signaling information; and decoding the service data.

公开(公告)号：US11296901B2

公开(公告)日：2022-04-05

申请号：US17078434

申请日：2020-10-23

Applicant: LG ELECTRONICS INC.

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

IPC: H04L12/18 ,  H04L67/06 ,  H04L65/611 ,  H04L65/612 ,  H04L65/60 ,  H04L69/24 ,  H04W4/06 ,  H04W28/02

Abstract: A broadcast signal transmission method includes generating, by a packetizer, a first transport packet carrying one or more fragments of a delivery object and a second transport packet carrying signaling data based on an Asynchronous Layered Coding/Layered Coding Transport (ALC/LCT) scheme. Further, a header of the first transport packet includes offset information representing a starting byte position of a fragment of the delivery object included in the first transport packet, the header of the first transport packet includes Transport Object Identifier (TOI) information that is mapped to Uniform Resource Locator (URL) information for the delivery object described in the signaling data and Transport Session Identifier (TSI) information for identifying a transport session, and the signaling data includes content type information presenting a type of a content.

公开(公告)号：US11218576B2

公开(公告)日：2022-01-04

申请号：US16853091

申请日：2020-04-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/08 ,  H04N21/2389 ,  H04N21/643 ,  H04N21/2362 ,  H04L12/911 ,  H04L29/06 ,  H04L12/18 ,  H04W4/06 ,  H04N21/61

Abstract: A method for processing a broadcast signal, includes generating one or more link layer packets carrying broadcast data, first signaling information, and second signaling information, the first signaling information including information for one or more broadcast services and one or more components belonging to each service, the second signaling information including information for listing the one or more broadcast services; generating one or more signaling link layer packets carrying third signaling information that includes physical layer pipe (PLP) identifying information for identifying a PLP that corresponds to information signaled in the third signaling information, wherein a header of each signaling link layer packet including header type information indicating that the signaling link layer packet carries the third signaling information; and encapsulating one or more signaling link layer packets and the one or more link layer packets.