公开(公告)号：US20200275140A1

公开(公告)日：2020-08-27

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：US20200186833A1

公开(公告)日：2020-06-11

申请号：US16732059

申请日：2019-12-31

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook OH ,  Sejin OH

IPC: H04N19/597 ,  H04N19/172 ,  H04N19/129

Abstract: A 360-degree image encoding method that is performed by an encoding apparatus according to the present disclosure comprises the steps of: obtaining a two-dimensional (2D) space picture with respect to 360-degree video data; deriving motion constrained tile sets (MCTSs) for configuring a sub-picture from the 2D picture; configuring the sub-picture including the MCTSs based on the MCTSs; and encoding the sub-picture so as to output encoded image information, wherein the MCTSs are arranged in the raster scan order on the sub-picture.

公开(公告)号：US20200169622A1

公开(公告)日：2020-05-28

申请号：US16774522

申请日：2020-01-28

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Sejin OH ,  Minsung KWAK ,  Kyoungsoo MOON ,  Jangwon LEE

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

Abstract: A digital broadcast receiver for processing a broadcast signal, includes a tuner configured to receive the broadcast signal including Physical Layer Pipes (PLPs), wherein the PLPs carry link layer packets; and a controller coupled to the tuner, wherein the controller is configured to select and decode a specific PLP, detect and acquire first signaling information for supporting a channel scan and second signaling information for a robust header compression, wherein the second signaling information for the robust header compression includes a PLP identifier, profile information for representing a range of multiple protocols used to compress at least one stream, and a maximum value of a context identifier, select and decode another PLP to receive the at least one stream based on the second signaling information for the robust header compression, and decompress the at least one stream.

公开(公告)号：US20200154225A1

公开(公告)日：2020-05-14

申请号：US16738522

申请日：2020-01-09

Applicant: LG ELECTRONICS INC.

Inventor： Tung Chin LEE ,  Sejin OH

IPC: H04S7/00 ,  H04N21/439 ,  G06F3/01 ,  H04N21/442 ,  H04N21/854 ,  H04N21/84 ,  H04N21/81 ,  H04N21/485

Abstract: A method for decoding a bitstream by an apparatus, includes obtaining a decoded audio signal and metadata from the bitstream, the metadata comprising scene orientation information; and rendering the decoded audio signal based on the scene orientation information, wherein the scene orientation information is information for a direction of a video scene related to the decoded audio signal.

公开(公告)号：US20200107009A1

公开(公告)日：2020-04-02

申请号：US16702621

申请日：2019-12-04

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.

公开(公告)号：US20200092597A1

公开(公告)日：2020-03-19

申请号：US16678264

申请日：2019-11-08

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Kyoungsoo MOON

IPC: H04N21/2665 ,  H04N21/426 ,  H04N21/434 ,  H04N21/438 ,  H04N21/462 ,  H04N21/643 ,  H04N21/854 ,  H04N21/236 ,  H04N21/61

Abstract: The present invention relates to a device for receiving a hybrid broadcast service and a method for transmitting the same. The device for receiving a hybrid broadcast service, according to one embodiment of the present invention, comprises: a first reception unit for receiving a first broadcast signal transmitted through a first network; a second reception unit for receiving a second broadcast signal transmitted through a second network, wherein the broadcast signal includes a service information table; a signaling information processing unit for extracting the service information table from the broadcast signal, wherein the service information table includes a component identifier descriptor for signaling information for identifying each of a plurality of components constituting one broadcast service, the component identifier descriptor including identification information; and an audio/video processing unit for acquiring the broadcast service including the plurality of components by using the component identification information, and decoding and reproducing the acquired broadcast service.

公开(公告)号：US20200067833A1

公开(公告)日：2020-02-27

申请号：US16666069

申请日：2019-10-28

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Minsung KWAK ,  Sejin OH ,  Kyoungsoo MOON

IPC: H04L12/741 ,  H04L12/801 ,  H04L12/18 ,  H04L29/06 ,  H04L29/08

Abstract: A method of transmitting a broadcast signal, includes processing one or more input packets to generate link layer packet(s), each link layer packet including a header and a payload, the header including packet type information representing a type of an input packet in the payload and payload configuration information representing a configuration of the payload, wherein the type of the input packet is an Internet Protocol (IP) packet or a Movie Picture Exports Group (MPEG) Transport Stream (TS) packet, the payload configuration information is set to a first value for a link layer packet including a single input packet and no additional header or the single input packet with an additional header, or the payload configuration information is set to a second value for a link layer packet including more than one input packet or a part of one input packet, and processing the link layer packet(s) to generate the broadcast signal.

公开(公告)号：US20190356899A1

公开(公告)日：2019-11-21

申请号：US16479907

申请日：2018-01-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook OH ,  Sejin OH

IPC: H04N13/194 ,  H04N5/232 ,  H04N13/122 ,  H04N13/161 ,  H04N13/178

Abstract: According to one aspect of the present invention, the present invention may relate to a method for transmitting a 360 video. The method for transmitting a 360 video may include processing a plurality of circular images captured by a camera having at least one fisheye lens; encoding a picture to which the circular images are mapped; generating signaling information about the 360 video data; encapsulating the encoded picture and the signaling information into a file, and transmitting the file.

公开(公告)号：US20190327583A1

公开(公告)日：2019-10-24

申请号：US16458725

申请日：2019-07-01

Applicant: LG ELECTRONICS INC.

Inventor： Jinwon LEE ,  Seungryul YANG ,  Sejin OH ,  Woosuk KO ,  Seungjoo AN ,  Kyoungsoo MOON ,  Sungryong HONG

IPC: H04W4/06 ,  H04H20/59

Abstract: A broadcast receiving apparatus may comprise: a broadcast interface for receiving a broadcast signal comprising an emergency alert message and signaling information indicating metadata for the emergency alert message; a control unit for generating an emergency alert multicast message comprising attributes of the emergency alert message on the basis of the broadcast signal; and a companion screen interface for transferring the emergency alert multicast message to at least one companion screen device in a multicast mode.

公开(公告)号：US20190320296A1

公开(公告)日：2019-10-17

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

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.