公开(公告)号：US11445049B2

公开(公告)日：2022-09-13

申请号：US17509417

申请日：2021-10-25

Applicant: LG Electronics Inc.

Inventor： Woosuk Kwon ,  Joonhee Yoon ,  Minsung Kwak

IPC: H04L69/04 ,  H04L69/164 ,  H04L69/168 ,  H04L69/16 ,  H04L69/22

Abstract: A broadcast signal transmission method comprises outputting an RoHC channel that includes one or more RoHC streams and a signaling table that includes information related to header compression by performing header compression for Internet Protocol (IP) packets, which include broadcast data, in accordance with an adaptation mode, a header of each IP packet including an IP header and a User Datagram Protocol (UDP) header, generating at least one first link layer packet that includes the RoHC channel and generating at least one second link layer packet that includes the signaling table, and physical layer processing the at least one first link layer packet and the at least one second link layer packet and transmitting through one or more Physical Layer Pipes (PLPs), wherein the signaling table includes adaptation mode information indicating the adaptation mode, and each RoHC stream in the RoHC channel includes RoHC packets.

公开(公告)号：US20220264159A1

公开(公告)日：2022-08-18

申请号：US17624799

申请日：2020-07-07

Applicant: LG ELECTRONICS INC.

Inventor： Jonghwan Park ,  Joonhee Yoon

IPC: H04N21/2381 ,  H04N21/235

Abstract: A broadcast signal reception method according to embodiments can comprise the steps of: receiving a broadcast signal, which includes service data for a broadcast network and service data for an Internet network and further including signaling information for signaling the service data; parsing the signaling information; and decoding the service data on the basis of the signaling information. A broadcast signal transmission method according to embodiments can comprise the steps of: encoding service data for a broadcast network; encoding service data for an Internet network; generating signaling information for signaling the service data; and transmitting the service data and the signaling information.

公开(公告)号：US09858960B2

公开(公告)日：2018-01-02

申请号：US15121211

申请日：2015-01-08

Applicant: LG ELECTRONICS INC.

Inventor： Sunghyun Cho ,  Hyunkook Khang ,  Joonhee Yoon

IPC: H04N5/765 ,  H04N9/80 ,  G11B20/00

CPC classification number: G11B20/00224 ,  G11B20/00086 ,  G11B20/0021 ,  G11B20/00217

Abstract: Provided is a method of playing content stored in a storage device including requesting a conversion of the content to a content service server, receiving content key information and additional information for the conversion of the content from the content service server, and performing the conversion of the content based on the content key information and the additional information.

公开(公告)号：US11350183B2

公开(公告)日：2022-05-31

申请号：US16969368

申请日：2019-03-11

Applicant: LG ELECTRONICS INC.

Inventor： Jonghwan Park ,  Minsung Kwak ,  Joonhee Yoon

IPC: H04N21/8405 ,  G06F16/783 ,  H04N21/8352

Abstract: A signal transmitting method comprising: inserting a context identifier and a keyword in service data to generate a content; extracting the service data from the content; inserting a description including the context identifier and the keyword to generate media data; generating signaling information including the context identifier and the keyword; and transmitting a signal including the media data and the signaling information.

公开(公告)号：US10230999B2

公开(公告)日：2019-03-12

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 ,  H04N21/2387 ,  H04N21/4147

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：US09936236B2

公开(公告)日：2018-04-03

申请号：US15035118

申请日：2014-11-21

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook Oh ,  Jangwoong Park ,  Jongyeul Suh ,  Seungryul Yang ,  Joonhee Yoon

IPC: H04N7/173 ,  H04N21/258 ,  H04N21/2343 ,  H04N21/4363 ,  H04N21/236 ,  H04N21/434 ,  H04N21/4402 ,  H04N21/45 ,  H04N7/015

CPC classification number: H04N21/25825 ,  H04N7/015 ,  H04N21/2343 ,  H04N21/236 ,  H04N21/434 ,  H04N21/43635 ,  H04N21/4402 ,  H04N21/4516

Abstract: The present invention relates to a video processing method and a video processing apparatus. An embodiment of the present invention provides a video processing method comprising the steps of: transmitting display related information on a display device to a source device through an interface; receiving video option information on a UHD video processed according to a video expression function of the display device through the interface; receiving the processed UHD video through the interface; and expressing the received UHD video on the display device.

公开(公告)号：US09756365B2

公开(公告)日：2017-09-05

申请号：US14796670

申请日：2015-07-10

Applicant: LG ELECTRONICS INC.

Inventor： Joonhee Yoon ,  Kyounghwan Kim ,  Jongyeul Suh

IPC: H04N21/235 ,  H04N21/418 ,  H04N21/4367

CPC classification number: H04N21/2351 ,  H04N21/4181 ,  H04N21/4367

Abstract: A broadcast reception device is provided. The broadcast reception device includes a broadcast reception unit receiving a broadcast signal comprising scrambled content, and a control unit transmitting a first data unit and receiving a second data unit, wherein the first data unit comprises a request for information on the number of devices that play the scrambled content simultaneously with the broadcast reception device and the second data unit comprises a reply to the first data unit.

公开(公告)号：US11895347B2

公开(公告)日：2024-02-06

申请号：US17797599

申请日：2021-02-17

Applicant: LG ELECTRONICS INC.

Inventor： Jonghwan Park ,  Joonhee Yoon

IPC: H04N21/2362 ,  H04N21/262

CPC classification number: H04N21/2362 ,  H04N21/262

Abstract: Disclosed herein is a media processing device including a receiver configured to receive a service and receive a service list for the service from a service list server, a processor configured to perform service discovery for the service based on the service list, and a displayer configured to display the service based on the service discovery. Disclosed herein is a media processing device including a memory and a processor connected to the memory, wherein the processor may be configured to transmit a service, and transmit a service list for the service from a service list server, wherein the service list may be used to perform service discovery for the service.

公开(公告)号：US10756835B2

公开(公告)日：2020-08-25

申请号：US15868490

申请日：2018-01-11

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Somi Park ,  Joonhee Yoon

IPC: H04H60/07 ,  H04H20/93 ,  H04H60/73 ,  H04H60/40

Abstract: The present invention proposes a method of transmitting a broadcast signal. The method of transmitting a broadcast signal according to the present invention provides a system capable of supporting next-generation broadcast services in an environment supporting next-generation hybrid broadcast using terrestrial broadcast networks and the Internet. In addition, an efficient signaling method for covering terrestrial broadcast networks and the Internet in an environment supporting next-generation hybrid broadcast is proposed.

公开(公告)号：US10194182B2

公开(公告)日：2019-01-29

申请号：US15105318

申请日：2015-02-02

Applicant: LG ELECTRONICS INC.

Inventor： Joonhee Yoon ,  Soojin Hwang ,  Jongyeul Suh ,  Sunghyun Cho ,  Sangheon Lee ,  Youngwook Kang ,  Hyunmook Oh

IPC: H04N21/2387 ,  H04N21/854 ,  H04N21/4147 ,  H04N21/6379

Abstract: The present invention relates to a signal transmission and reception apparatus and a signal transmission and reception method. An embodiment of the present invention provides a signal transmission method comprising: a step (S110) of encoding video data; a step (S120) of encoding a file format including the encoded video data, wherein the file format includes pre-filtering information for trick play; and a step (S130) of transmitting data including the encoded file format. According to an embodiment of the present invention, it is possible to provide trick play for an encoded stream more efficiently.