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：US10972527B2

公开(公告)日：2021-04-06

申请号：US16698628

申请日：2019-11-27

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Minsung Kwak ,  Sejin Oh

IPC: H04L29/06 ,  H04N21/00 ,  H04H60/07 ,  H04L29/08

Abstract: A method for transmitting broadcast signals, includes encapsulating input packets including Internet Protocol (IP) packets or Transport Stream (TS) packets into link layer packets in a link layer, wherein each header of the link layer packets including a base header having packet type information representing a type of the input packets in a payload of each link layer packet and payload configuration information, and for a first link layer packet including a single packet, a base header of the first link layer packet includes header mode information having a value representing that an additional header for the single packet is present following the base header; encapsulating the link layer packets including the first link layer packet, a second link layer packet, and a third link layer packet into data packets carried by a Data Pipe (DP) in a physical layer; and transmitting a broadcast signal including the data packets.

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.

公开(公告)号：US10666922B2

公开(公告)日：2020-05-26

申请号：US16454540

申请日：2019-06-27

Applicant: LG ELECTRONICS INC.

Inventor： Soojin Hwang ,  Sejin Oh ,  Tung Chin Lee

IPC: H04N7/18 ,  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：US20200015059A1

公开(公告)日：2020-01-09

申请号：US16392346

申请日：2019-04-23

Applicant: LG ELECTRONICS INC.

Inventor： Jinwon Lee ,  Sejin Oh ,  Kyoungsoo Moon ,  Seungjoo An ,  Woosuk Ko ,  Sungryong Hong

IPC: H04W4/90 ,  H04L29/08 ,  H04W4/80 ,  H04W4/06 ,  H04H20/59 ,  H04H20/08

Abstract: Provided is a broadcast receiving device receiving a broadcast service interoperating with a companion device. The broadcast receiving device includes: an IP communication unit configured to establish a pairing session with the companion device; a broadcast communication unit configured to receive an emergency alert message including an emergency alert alerting a disaster situation on the basis of the broadcast service; and a control unit configured to transmit information on the emergency alert message to the companion device.

公开(公告)号：US10523789B2

公开(公告)日：2019-12-31

申请号：US15105333

申请日：2014-12-31

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04L1/00 ,  H04L12/931 ,  H04W28/06 ,  H04W4/06

Abstract: A method and apparatus for transmitting and receiving a broadcast signal including a robust header compression (RoHC) packet stream are disclosed. The broadcast signal transmitting method includes compressing a header of an IP packet included in an IP packet stream to generate an RoHC packet stream, extracting a first part of an RoHC packet included in the generated RoHC packet stream, converting a second part of the RoHC packet into another type of an RoHC packet, reconfiguring a new packet stream including the converted another type of the RoHC packet, transporting the reconfigured packet stream through a first channel, and transporting the extracted first part through a second channel.

公开(公告)号：US10476693B2

公开(公告)日：2019-11-12

申请号：US14914543

申请日：2015-02-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04L12/18 ,  H04L29/08 ,  H04W4/06 ,  H04W28/02 ,  H04L29/06

Abstract: The present invention provides an apparatus for transmitting broadcast signals, an apparatus for receiving broadcast signals and methods for transmitting and receiving broadcast signals. A broadcast signal transmission apparatus includes a delivery object generator configured to divide a file into at least one delivery object corresponding to a part of the file, a signaling encoder configured to encode signaling information including metadata for the delivery object, the signaling information including real time information indicating whether the at least one delivery object is transmitted in real time via a unidirectional channel using at least one layered coding transport (LCT) packet, and a transmitter configured to transmit the at least one delivery object and the signaling information. It is possible to reduce a total time consumed for obtaining multimedia content and displaying the multimedia content for a user.

公开(公告)号：US10440448B2

公开(公告)日：2019-10-08

申请号：US15991793

申请日：2018-05-29

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Sejin Oh ,  Kyoungsoo Moon

IPC: H04N21/854 ,  H04N21/2362 ,  H04N21/63 ,  H04N21/643

Abstract: A broadcast signal transmission processing device according to one embodiment of the present invention, comprises a header compression processor that generates first packets including first header information in a uncompressed form and second packets including second header information in a compressed form by performing header compression on Internet protocol (IP) packets containing broadcast data; a header information extracting processor that extracts the header information from the first packets and converts the first packets from which the first header information is extracted to third packets including third header information in a compressed form; a signaling data generating processor that generates signaling packets containing information related to the header compression and mapping information between the IP packets and multiple data pipes; and a broadcast signal transmitting processor that transmits a broadcast signal including the multiple data pipes.

公开(公告)号：US10362450B2

公开(公告)日：2019-07-23

申请号：US15875910

申请日：2018-01-19

Applicant: LG ELECTRONICS INC.

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

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

Abstract: A method and apparatus for transmitting broadcast signals are discussed. The method can include generating an input stream having plural input packets, link processing the input packets in the input stream to generate link layer packets, physical processing the link layer packets into the broadcast signals, and transmitting the broadcast signals. The link processing can include generating a payload of a link layer packet by encapsulating either a segment of one input packet or concatenated input packets, generating a header of the link layer packet including a base part, the base part including a first field which indicates whether the payload includes either the segment or the concatenated input packets, and inserting the header in front of the payload.

公开(公告)号：US10349095B2

公开(公告)日：2019-07-09

申请号：US15568638

申请日：2016-05-09

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Jongyeul Suh ,  Soojin Hwang

IPC: H04N7/173 ,  H04N21/2343 ,  H04N7/01 ,  H04N7/015 ,  H04N21/236 ,  H04N21/238 ,  H04N21/2665 ,  H04N21/2362 ,  H04N21/845 ,  H04N21/61

Abstract: A method for transmitting a broadcast signal is presented. In the method for transmitting a broadcast signal, according to the present invention, presented is a system, which can support a next-generation broadcast service in an environment supporting a next-generation hybrid broadcast using a terrestrial broadcast network and an Internet network. In addition, presented is an effective signaling method for covering both a terrestrial broadcast network and an Internet network in an environment supporting a next-generation hybrid broadcast.