公开(公告)号：US11665385B2

公开(公告)日：2023-05-30

申请号：US17164310

申请日：2021-02-01

Applicant: LG Electronics Inc.

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

IPC: H04N21/238 ,  H04N21/462 ,  H04N21/61 ,  H04N21/8547 ,  H04N21/63 ,  H04N21/43

CPC classification number: H04N21/238 ,  H04N21/43072 ,  H04N21/4622 ,  H04N21/6106 ,  H04N21/631 ,  H04N21/8547

Abstract: The present invention relates to an apparatus for supporting hybrid broadcasting in a digital broadcasting system. 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 heterogeneous network interface for receiving a heterogeneous stream including a second portion of the broadcast content via a heterogeneous network; and wherein the broadcast stream further includes timeline reference signaling information containing metadata for synchronizing streams transmitted via the one or more networks, and wherein the timeline reference signaling information includes at least one timeline reference information reconstituting timeline of at least one of the broadcast stream and the heterogeneous stream, a processor for configuring the broadcast content using the broadcast stream and the heterogeneous stream based on the timeline reference signaling information. The present invention is effective in easily synchronizing transport streams transmitted through each of heterogeneous networks.

公开(公告)号：US11349601B2

公开(公告)日：2022-05-31

申请号：US17156165

申请日：2021-01-22

Applicant: LG ELECTRONICS INC.

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

IPC: G06F16/2453 ,  G06F16/22 ,  G06F16/2455 ,  G06F16/901 ,  G06F9/4401 ,  G06F9/50 ,  H04L67/10 ,  G06F3/06 ,  G06F12/0893 ,  G06F16/17 ,  G06F11/10 ,  G06F12/109 ,  G06F16/23 ,  G06F16/242 ,  H03M7/30 ,  G06F16/2457 ,  G06F16/2458 ,  G06F16/27 ,  G06F7/24 ,  H04L1/00 ,  H04N21/235 ,  H04N21/236 ,  H04N21/2383 ,  H04L65/611 ,  H04L65/60

Abstract: A method for transmitting a signal in a digital transmitter, includes generating at least one component for at least one service in a processor, wherein the at least one component relates to an audio component or a video component, generating at least one signaling data in the processor, wherein the at least one signaling data includes a 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 one signaling data, a 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 signal comprising the at least one signaling data and the at least one component in a transmitting module, wherein the at least one component is carried via at least one physical layer pipe.

公开(公告)号：US11310094B2

公开(公告)日：2022-04-19

申请号：US16952871

申请日：2020-11-19

Applicant: LG Electronics Inc.

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

IPC: G06F15/16 ,  H04L67/51 ,  H04L65/611 ,  H04L65/60 ,  H04L67/02 ,  H04L69/323

Abstract: Disclosed is a method for transmitting a broadcast signal. A method for transmitting a broadcast signal according to an embodiment of the present invention comprises the steps of: delivery layer processing broadcasting service data and signaling information for the broadcasting service data; UDP/IP encapsulating the broadcasting service data and signaling information for the broadcasting service data; and physical layer processing the broadcasting service data and signaling information for the broadcasting service data.

公开(公告)号：US11309982B2

公开(公告)日：2022-04-19

申请号：US17192581

申请日：2021-03-04

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 ,  H04L65/1066 ,  H04L65/611

Abstract: A broadcast signal transmission method includes encoding service data of a service and service layer signaling information that are delivered over a Real-Time Object Delivery over Unidirectional Transport (ROUTE) session, wherein the service layer signaling information includes transport session information containing transport session identifier (TSI) information for the service data and wherein a value of TSI information for the service layer signaling information is zero; and encoding signaling information for one or more services including the service, wherein the signaling information includes one or more service element entries corresponding to the one or more services, wherein a service element entry corresponding to the service includes service information related to the service, and wherein the service information includes service identification information for identifying the service, first version information for indicating a change of the service information, short name information of the service and access information of the ROUTE session.

公开(公告)号：US11115641B2

公开(公告)日：2021-09-07

申请号：US16877248

申请日：2020-05-18

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon Lee ,  Sejin Oh ,  Jongyeul Suh

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

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：US11032016B2

公开(公告)日：2021-06-08

申请号：US16736059

申请日：2020-01-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04L29/08 ,  H04H20/95 ,  H04L1/00

Abstract: A method for providing a broadcast service based on a broadcast network and a broadband network in a digital transmitter, includes generating multiple service components of the broadcast service and service layer signaling (SLS) information for the broadcast service; generating a service list table (SLT) for providing bootstrap information that allows a receiver to discover the SLS information for the broadcast service; transmitting a first signal comprising a first service component among the multiple service components, the SLS information and the SLT 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 SLT 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：US11012657B2

公开(公告)日：2021-05-18

申请号：US16436352

申请日：2019-06-10

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung Hur ,  Sejin Oh ,  Jangwon Lee

IPC: H04N5/445 ,  H04N5/232 ,  G06F16/58 ,  G06F16/583

Abstract: A 360-degree image data processing method performed by a 360-degree video reception apparatus, the method including: 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, and rendering the decoded picture and an overlay based on the metadata, wherein the metadata includes overlay related metadata, wherein the overlay is rendered based on the overlay related metadata, and wherein the overlay related metadata include packing information of the overlay.

公开(公告)号：US11006158B2

公开(公告)日：2021-05-11

申请号：US16303398

申请日：2017-05-18

Applicant: LG Electronics Inc.

Inventor： Sejin Oh ,  Jongyeul Suh ,  Jangwon Lee

IPC: H04N21/2362 ,  H04N21/434 ,  H04N21/84 ,  H04N21/854

Abstract: According to one embodiment of the present invention, a broadcast signal transmission device comprises: one or more source modules for outputting a timed media data stream and a timed metadata stream for the timed media data stream, wherein the timed metadata stream includes a position metadata stream having position information of the one or more source modules, or an orientation metadata stream having orientation information of the one or more source modules; and a transmission interface for transmitting a data signal, wherein the timed media data stream and the timed metadata stream are respectively formatted into a file format based on an ISO BMFF in sample units, and the transmission interface can transmit, through a transmission network, a data signal including an ISO BMFF file, which includes the timed media data stream and the timed metadata stream.

公开(公告)号：US10985852B2

公开(公告)日：2021-04-20

申请号：US16940165

申请日：2020-07-27

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: A broadcast signal transmission method includes encoding service data of a service and service layer signaling information that are delivered over a Real-Time Object Delivery over Unidirectional Transport (ROUTE) session, wherein the service layer signaling information includes Layered Coding Transport (LCT) channel information and Media Presentation Description (MPD) information for the service; encoding signaling information for one or more services including the service, wherein the signaling information includes one or more service element entries corresponding to the one or more services, wherein a service element entry corresponding to the service includes service information related to the service, and wherein the service information includes service identification information for identifying the service, first version information for indicating a change of the service information, channel information of the service and address information of the ROUTE session; and transmitting the encoded service data, the encoded service layer signaling information and the encoded signaling information.

公开(公告)号：US10911800B2

公开(公告)日：2021-02-02

申请号：US15107187

申请日：2015-01-13

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/238 ,  H04N21/43 ,  H04N21/462 ,  H04N21/61 ,  H04N21/8547 ,  H04N21/63

Abstract: The present invention relates to an apparatus for supporting hybrid broadcasting in a digital broadcasting system. 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 heterogeneous network interface for receiving a heterogeneous stream including a second portion of the broadcast content via a heterogeneous network; and wherein the broadcast stream further includes timeline reference signaling information containing metadata for synchronizing streams transmitted via the one or more networks, and wherein the timeline reference signaling information includes at least one timeline reference information reconstituting timeline of at least one of the broadcast stream and the heterogeneous stream, a processor for configuring the broadcast content using the broadcast stream and the heterogeneous stream based on the timeline reference signaling information. The present invention is effective in easily synchronizing transport streams transmitted through each of heterogeneous networks.