公开(公告)号：US20190075325A1

公开(公告)日：2019-03-07

申请号：US16086965

申请日：2017-03-29

Applicant: LG ELECTRONICS INC.

Inventor： Soojin HWANG ,  Jongyeul SUH

IPC: H04N19/70 ,  H04N7/015 ,  H04N21/235 ,  H04N21/236 ,  H04N21/2362

Abstract: The present invention relates to an apparatus and a method for transmitting and receiving broadcast signals including an HDR UHD video service. An apparatus for transmitting broadcast signals according to one embodiment of the present invention comprises: a video encoder for encoding ultra high definition (UHD) video data into high efficiency video coding (HEVC) to thereby generate an HEVC UHD video stream; a multiplexer for generating a broadcast signal including the generated HEVC UHD video stream and service information (SI), wherein the service information includes a service description table (SDT); and a transmitter for transmitting the generated broadcast signal, wherein the service type information included in the SDT may indicate a UHD video service to which at least one of a backward compatible (BC) high dynamic range (HDR) or a high frame rate (HFR) is applied, or a UHD video service to which at least one of non-backward compatible (NBC) HDR or HFR is applied.

公开(公告)号：US20180295393A1

公开(公告)日：2018-10-11

申请号：US16003665

申请日：2018-06-08

Applicant: LG Electronics Inc.

Inventor： Hyunmook OH ,  Jongyeul SUH ,  Soojin HWANG

IPC: H04N21/2343 ,  H04N21/81 ,  G09G5/06 ,  H04N21/236 ,  H04N19/59 ,  H04N21/23 ,  H04N19/186 ,  H04N19/70 ,  H04N19/85

CPC classification number: H04N21/2343 ,  G09G5/06 ,  G09G2340/06 ,  H04N19/186 ,  H04N19/59 ,  H04N19/70 ,  H04N19/85 ,  H04N21/23 ,  H04N21/236 ,  H04N21/816

Abstract: The present invention relates to provision of a method and/or a device for transmitting and receiving a broadcast signal on the basis of color gamut resampling. The method for transmitting a broadcast signal, according to one embodiment of the present invention, comprises the steps of: resampling first color gamut-based content data into second color gamut-based content data; generating signaling information which includes color gamut resampling information indicating information on the resampling; respectively

公开(公告)号：US20180205975A1

公开(公告)日：2018-07-19

申请号：US15741952

申请日：2016-07-01

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Jongyeul SUH ,  Soojin HWANG

IPC: H04N21/2362 ,  H04N21/854 ,  H04N21/84 ,  H04N21/488 ,  H04N21/41 ,  H04N21/845

CPC classification number: H04N21/2362 ,  H04N21/235 ,  H04N21/236 ,  H04N21/4104 ,  H04N21/4884 ,  H04N21/84 ,  H04N21/845 ,  H04N21/854

Abstract: A broadcast signal transmission method according to one embodiment of the present invention can comprise the steps of: generating service data of a broadcast service, wherein the service data includes a service component included in the broadcast service; generating service signaling information for signaling the broadcast service; and transmitting a broadcast signal including the service data and the service signaling information.

公开(公告)号：US20180109743A1

公开(公告)日：2018-04-19

申请号：US15557343

申请日：2016-04-22

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Soojin HWANG ,  Jongyeul SUH ,  Hyunmook OH

IPC: H04N5/355 ,  H04N21/235 ,  H04N21/2362 ,  H04N7/00 ,  H04N1/60

CPC classification number: H04N5/355 ,  H04N1/6019 ,  H04N7/005 ,  H04N7/015 ,  H04N21/23439 ,  H04N21/235 ,  H04N21/2362 ,  H04N21/26258 ,  H04N21/8456

Abstract: The present invention proposes a method for transmitting a broadcasting signal. The method for transmitting a broadcasting signal according to the present invention proposes a system which can support a next-generation broadcasting service in an environment that supports a next-generation hybrid broadcasting using a terrestrial broadcasting network and an Internet network. In addition, the present invention proposes an efficient signaling method which can cover both the terrestrial broadcasting network and the Internet network in the environment that supports the next-generation hybrid broadcasting.

公开(公告)号：US20170272787A1

公开(公告)日：2017-09-21

申请号：US15101320

申请日：2014-12-16

Applicant: LG ELECTRONICS INC.

Inventor： Joonhee YOON ,  Soojin HWANG ,  Jongyeul SUH ,  Hyunmook OH

IPC: H04N21/236 ,  H04N21/84 ,  H04N21/854 ,  H04N21/4147 ,  H04N21/2387

CPC classification number: H04N21/236 ,  H04N21/23614 ,  H04N21/2387 ,  H04N21/4147 ,  H04N21/84 ,  H04N21/854

Abstract: The present invention relates to a device for transmitting and receiving a signal and a method for transmitting and receiving a signal. One embodiment of the present invention provides a method for transmitting a signal, comprising the steps of: encoding video source data and outputting video data including a supplemental enhancement information (SEI) message having group of pictures (GOP) metadata; and transmitting the video data. According to the embodiment of the present invention, a trick play for an encoded stream can be more efficiently provided.

公开(公告)号：US20160381400A1

公开(公告)日：2016-12-29

申请号：US15039735

申请日：2014-11-18

Applicant: LG ELECTRONICS INC.

Inventor： Soojin HWANG ,  Hyunmook OH ,  Jongyeul SUH ,  Joonhee YOON

IPC: H04N21/2387 ,  H04N21/432 ,  H04N21/438 ,  H04N21/234 ,  H04N21/4147 ,  H04N21/6332 ,  H04N21/236

CPC classification number: H04N21/2387 ,  H04N19/31 ,  H04N21/234 ,  H04N21/236 ,  H04N21/23614 ,  H04N21/4147 ,  H04N21/4325 ,  H04N21/4383 ,  H04N21/6332 ,  H04N21/6587

Abstract: The present invention relates to a method and device for transmitting and receiving a broadcast signal for providing trick play in a digital broadcasting system. A broadcast signal transmission method, according to an embodiment of the present invention, comprises the steps of: generating a video stream by encoding video data, wherein the video stream comprises PVR assist information for performing trick play of the video data; generating signaling information; multiplexing the video stream and the signaling information into one broadcast stream; generating a broadcast signal comprising the multiplexed broadcast stream; and transmitting the generated broadcast signal.

Abstract translation: 本发明涉及在数字广播系统中发送和接收用于提供特技播放的广播信号的方法和装置。 根据本发明实施例的广播信号传输方法包括以下步骤：通过对视频数据进行编码来生成视频流，其中视频流包括用于执行视频数据的特技播放的PVR辅助信息; 生成信令信息; 将视频流和信令信息复用成一个广播流; 生成包括多路广播流的广播信号; 并发送所生成的广播信号。

公开(公告)号：US20160360295A1

公开(公告)日：2016-12-08

申请号：US15023278

申请日：2014-10-29

Applicant: LG ELECTRONICS INC.

Inventor： Soojin HWANG ,  Jongyeul SUH ,  Joonhee YOON ,  Hyunmook OH

IPC: H04N21/845 ,  H04N21/643 ,  H04N21/633 ,  H04N21/236

CPC classification number: H04N21/8451 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/6112 ,  H04N21/633 ,  H04N21/64322 ,  H04N21/816

Abstract: The present invention relates to a method and apparatus for transmitting and receiving a broadcast signal for providing HEVC based IP broadcast service. The method for transmitting a broadcast signal according to an embodiment of the present invention comprises the steps of: generating a video stream by encoding video data; generating signaling information which includes any one among information indicating the generated video stream is a HEVC video stream, information indicating the characteristic of the generated video stream, and information indicating a broadcast service on the basis of the generated video stream is the HEVC based broadcasting service; multiplexing the generated video stream and the signaling information; and transmitting the multiplexed broadcast stream.

Abstract translation: 本发明涉及发送和接收用于提供基于HEVC的IP广播服务的广播信号的方法和装置。 根据本发明的实施例的用于发送广播信号的方法包括以下步骤：通过对视频数据进行编码来产生视频流; 生成包括指示所生成的视频流的信息中的任一个的信令信息是HEVC视频流，指示所生成的视频流的特性的信息，以及基于生成的视频流的指示广播服务的信息是基于HEVC的广播服务 ; 复用所生成的视频流和信令信息; 并发送多路广播流。

公开(公告)号：US20230007316A1

公开(公告)日：2023-01-05

申请号：US17941868

申请日：2022-09-09

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Jongyeul SUH ,  Soojin HWANG

IPC: H04N21/235 ,  H04N21/236 ,  H04N21/435 ,  H04L12/18 ,  H04N21/61 ,  H04L67/02 ,  H04L65/611 ,  H04L65/612 ,  H04N21/43 ,  H04L45/302 ,  H04N21/81

Abstract: A method and device for transmitting or receiving a broadcast signal are discussed. The method for transmitting the broadcast signal can include processing one or more Internet Protocol (IP) packets into link layer packets, processing the link layer packets to output the broadcast signal, and transmitting the broadcast signal. The one or more IP packets can carry components of a service and service signaling information for signaling the components of the service. The broadcast signal can further include a service list table. The service list table can include one or more of service identification information for identifying the service, capabilities information related to the service, channel number information of the service, category information for indicating a type of the service, protocol information for representing a type of a protocol used to deliver the service signaling information.

公开(公告)号：US20210227267A1

公开(公告)日：2021-07-22

申请号：US17221989

申请日：2021-04-05

Applicant: LG Electronics Inc.

Inventor： Hyunmook OH ,  Jongyeul SUH ,  Soojin HWANG

IPC: H04N21/2343 ,  H04N21/23 ,  H04N19/70 ,  H04N19/186 ,  H04N19/85 ,  H04N19/59 ,  G09G5/06 ,  H04N21/236 ,  H04N21/81

Abstract: The present invention relates to provision of a method and/or a device for transmitting and receiving a broadcast signal on the basis of color gamut resampling. The method for transmitting a broadcast signal, according to one embodiment of the present invention, comprises the steps of: resampling first color gamut-based content data into second color gamut-based content data; generating signaling information which includes color gamut resampling information indicating information on the resampling; respectively

公开(公告)号：US20180332265A1

公开(公告)日：2018-11-15

申请号：US15680901

申请日：2017-08-18

Applicant: LG ELECTRONICS INC.

Inventor： Soojin HWANG ,  Sejin OH ,  Tung Chin LEE

IPC: H04N13/00 ,  H04N21/845 ,  H04N21/488 ,  H04N19/70

CPC classification number: H04N13/183 ,  H04N13/128 ,  H04N13/156 ,  H04N13/161 ,  H04N13/178 ,  H04N13/194 ,  H04N19/70 ,  H04N19/88 ,  H04N21/4884 ,  H04N21/816 ,  H04N21/8451

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.