公开(公告)号：US20210281338A1

公开(公告)日：2021-09-09

申请号：US17329642

申请日：2021-05-25

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Jeongwoo Kim ,  Minsung Kwak

IPC: H04H20/59 ,  H04W4/90 ,  H04H20/71 ,  H04L1/00 ,  H04W72/00 ,  H04H20/72

Abstract: A device providing an emergency alert service via a mobile broadcasting according to one embodiment of the present invention includes an RS frame encoder configured to generate an RS frame, which is a 2nd dimensional data frame, in a manner of performing an RS (Reed-Solomon)-CRC (Cyclic Redundancy Check) encoding on an ensemble comprising a mobile data for a mobile broadcasting service and a service signaling channel containing an access information on the mobile broadcasting service, an RS frame divider configured to divide the generated RS frame into a plurality of RS frame portions, a signaling encoder configured to generate a signaling data comprising a TPC (Transmission Parameter Channel) for signaling a transmission parameter of the mobile broadcasting and a MC (Fast Information Channel) containing a connection information between the ensemble and the broadcasting service, a data group formatter configured to generate a data group containing a part of the signaling data and the RS frame portion, and a broadcasting signal generating unit configured to generate a mobile broadcasting signal containing the data group.

公开(公告)号：US11095926B2

公开(公告)日：2021-08-17

申请号：US16530255

申请日：2019-08-02

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/2362 ,  H04N21/2343 ,  H04H60/07 ,  H04H60/73 ,  H04N21/234 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/6332 ,  H04L29/12 ,  H04L29/06 ,  H04N21/643 ,  H04N21/858

Abstract: A method of processing data in a receiving apparatus is discussed. The method includes receiving a broadcast signal including low level signaling data; parsing the low level signaling data included in the broadcast signal; obtaining the bootstrap information from the parsed low level signaling data; and discovering the service layer signaling information based on the obtained bootstrap information included in the parsed low level signaling data.

公开(公告)号：US20210235135A1

公开(公告)日：2021-07-29

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 ,  H04N21/43 ,  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.

公开(公告)号：US11070858B2

公开(公告)日：2021-07-20

申请号：US16871627

申请日：2020-05-11

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：US11044455B2

公开(公告)日：2021-06-22

申请号：US16372804

申请日：2019-04-02

Applicant: LG Electronics Inc.

Inventor： Sejin Oh

IPC: H04N13/00 ,  H04N13/178 ,  H04N13/117 ,  H04N5/232 ,  H04N13/161

Abstract: Disclosed is a 360-degree video data processing method performed by a 360-degree video transmission apparatus, the method comprising: obtaining 360-degree video data captured by at least one image obtaining device; deriving a two-dimensional (2D) picture comprising omnidirectional image by processing the 360-degree video data; generating metadata for the 360-degree video data; encoding information on the 2D picture; and performing encapsulation based on the encoded picture and the metadata, wherein the metadata comprises information on viewpoint group ID, and wherein multiple-viewpoints related to the 360-degree video data are categorized into at least one viewpoint group based on the viewpoint group ID.

公开(公告)号：US10991066B2

公开(公告)日：2021-04-27

申请号：US15685204

申请日：2017-08-24

Applicant: LG Electronics Inc.

Inventor： Jangwon Lee ,  Sejin Oh ,  Jongyeul Suh

IPC: G06T3/00 ,  H04N19/85 ,  H04N19/597 ,  H04N19/88 ,  H04N1/00

Abstract: According to an aspect of the present invention, a method for transmitting omnidirectional video is disclosed. 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 onto the 3D projection structure in a 2D frame, encoding the image packed into the 2D frame, and transmitting a data signal containing the encoded image and metadata about the omnidirectional video.

公开(公告)号：US20210112287A1

公开(公告)日：2021-04-15

申请号：US17046578

申请日：2019-04-10

Applicant: LG ELECTRONICS INC.

Inventor： Tungchin Lee ,  Sejin Oh ,  Sooyeon Lee

IPC: H04N21/233 ,  H04N21/439 ,  H04N21/81 ,  H04N21/434 ,  H04N21/2187 ,  H04R1/08 ,  G10L19/00

Abstract: One embodiment of the present invention provides a communication method of an audio data transmitting apparatus in a wireless communication system, the method comprising the steps of: acquiring information on at least one audio signal on which sound source information processing is to be performed; generating metadata relating to the sound source information processing, on the basis of the information on the at least one audio signal; and transmitting the metadata relating to the sound source information processing to an audio data receiving apparatus.

公开(公告)号：US20210104013A1

公开(公告)日：2021-04-08

申请号：US17062991

申请日：2020-10-05

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung Hur ,  Sejin Oh

IPC: G06T3/40 ,  G06T9/40 ,  G06T17/20 ,  G06K9/62

Abstract: Disclosed herein is a method of transmitting point cloud data. The method may include acquiring point cloud data, encoding geometry information including positions of points in the point cloud data, encoding attribute information including attribute values of points in the point cloud data based on the geometry information, and transmitting the encoded geometry information, the encoded attribute information and signaling information.

公开(公告)号：US10952035B2

公开(公告)日：2021-03-16

申请号：US16453376

申请日：2019-06-26

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/06 ,  H04L1/00 ,  H04H20/00 ,  H04L29/06 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/643 ,  H04B7/0413 ,  H04H60/07

Abstract: A method of transmitting broadcast signals, includes link processing input packets to generate link layer packets, wherein a link layer packet of the link layer packets includes a header and a payload, wherein the payload of the link layer packet includes a segment of an input packet or concatenated input packets, wherein the header of the link layer packet includes a first field for identifying whether the payload includes the segment or the concatenated input packets, and wherein the header further includes a second field for identifying a number of the concatenated input packets and third fields that are inserted to the header in the same order as the concatenated input packets present in the payload in response to the first field representing that the payload includes the concatenated input packets; physical processing the link layer packets into the broadcast signals; and transmitting the broadcast signals.

公开(公告)号：US20200336728A1

公开(公告)日：2020-10-22

申请号：US16921722

申请日：2020-07-06

Applicant: LG ELECTRONICS INC.

Inventor： Soojin Hwang ,  Sejin Oh ,  Tung Chin Lee

IPC: H04N13/183 ,  H04N21/845 ,  H04N21/488 ,  H04N19/70 ,  H04N13/156 ,  H04N13/161 ,  H04N13/194 ,  H04N13/178 ,  H04N13/128 ,  H04N19/88 ,  H04N21/81

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