公开(公告)号：US09973764B2

公开(公告)日：2018-05-15

申请号：US14908432

申请日：2014-09-05

Applicant: LG ELECTRONICS INC.

Inventor： Soojin Hwang ,  Jongyeul Suh ,  Hyunmook Oh ,  Joonhee Yoon

IPC: H04N19/30 ,  H04N21/2381 ,  H04N21/2343 ,  H04N21/845 ,  H04N19/44 ,  H04N21/236 ,  H04N21/2665 ,  H04N21/434 ,  H04N21/466 ,  H04N21/462 ,  H04N19/70

CPC classification number: H04N19/30 ,  H04N19/44 ,  H04N19/70 ,  H04N21/234327 ,  H04N21/23605 ,  H04N21/2381 ,  H04N21/2665 ,  H04N21/4343 ,  H04N21/4622 ,  H04N21/8451

Abstract: The present invention relates to a method and a device for transmitting and receiving advanced UHD broadcasting content in a digital broadcasting system. The method for transmitting and receiving advanced UHD broadcasting content, according to one embodiment of the present invention, comprises the steps of: encoding data of a base layer; encoding data of one or more enhancement layers; encoding broadcast network program metadata including information on an advanced UHD broadcast program transmitted through a broadcast network, and encoding IP network program metadata including information on an advanced UHD broadcast program transmitted through an IP network; packetizing the encoded data of the base layer and/or the data of a first enhancement layer into a broadcast packet; packetizing the encoded data of a second enhancement layer into an IP packet; transmitting the broadcast packet through the broadcast network; and transmitting the IP packet through the IP network.

公开(公告)号：US12231704B2

公开(公告)日：2025-02-18

申请号：US18030179

申请日：2021-11-03

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Joonhee Yoon

IPC: H04N21/238 ,  H04L12/18

Abstract: A method for processing a multicast signal according to embodiments may comprise the steps of: generating multicast media data; generating signaling information regarding the multicast media data; transmitting the multicast media data in a multicast method, on the basis of at least one of a first network and a second network; and transmitting the signaling information regarding the multicast media data. An apparatus for processing a multicast signal according to embodiments comprises: a memory; and a processor connected to the memory. The processor may: receive multicast media data on the basis of at least one of a first network and a second network; and decode the multicast media data.

公开(公告)号：US12088653B2

公开(公告)日：2024-09-10

申请号：US18010748

申请日：2021-06-24

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Joonhee Yoon

IPC: H04L65/752 ,  H04L65/611

CPC classification number: H04L65/752 ,  H04L65/611

Abstract: A media processing apparatus according to embodiments comprises: a memory; and a processor connected to the memory, wherein the processor may be configured to receive media on the basis of a session comprising multicast and unicast, receive multicast server configuration information for the media, receive multicast gateway configuration information for the media, and control the media. A media processing method according to embodiments may comprise the steps of: receiving media on the basis of a session comprising multicast and unicast; receiving multicast server configuration information for the media; receiving multicast gateway configuration information about the media; and controlling the media.

公开(公告)号：US11799990B2

公开(公告)日：2023-10-24

申请号：US17590632

申请日：2022-02-01

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Joonhee Yoon

IPC: H04L29/06 ,  H04L69/22 ,  H04L12/66 ,  H04L47/36 ,  H04N21/2381 ,  H04N21/643

CPC classification number: H04L69/22 ,  H04L12/66 ,  H04L47/36 ,  H04N21/2381 ,  H04N21/64322

Abstract: A broadcast signal transmission method according to one embodiment of the present disclosure comprises an IP layer processing step of generating Internet protocol (IP) packets including broadcast data and generating fragmented IP packets by fragmenting at least one IP packet of the IP packets in order to transmit to a link layer, a first link layer processing step of restoring the at least one IP packet by combining the fragmented IP packets of the IP packets output at the IP layer processing step, a second link layer processing step of performing header compression of IP packet including the restored at least one IP packet, and a third link layer processing step of encapsulating the header compressed IP packets into at least one link layer packet and transmitting the at least one link layer packet to a physical layer.

公开(公告)号：US11277501B2

公开(公告)日：2022-03-15

申请号：US16757665

申请日：2018-11-09

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Joonhee Yoon

IPC: H04L29/06 ,  H04L69/22 ,  H04L12/66 ,  H04L47/36 ,  H04N21/2381 ,  H04N21/643

Abstract: A broadcast signal transmission method according to one embodiment of the present disclosure comprises an IP layer processing step of generating Internet protocol (IP) packets including broadcast data and generating fragmented IP packets by fragmenting at least one IP packet of the IP packets in order to transmit to a link layer, a first link layer processing step of restoring the at least one IP packet by combining the fragmented IP packets of the IP packets output at the IP layer processing step, a second link layer processing step of performing header compression of IP packet including the restored at least one IP packet, and a third link layer processing step of encapsulating the header compressed IP packets into at least one link layer packet and transmitting the at least one link layer packet to a physical layer.

公开(公告)号：US10009641B2

公开(公告)日：2018-06-26

申请号：US15124568

申请日：2014-11-18

Applicant: LG ELECTRONICS INC.

Inventor： Soojin Hwang ,  Hyunmook Oh ,  Jongyeul Suh ,  Joonhee Yoon

IPC: H04N7/173 ,  H04N21/2387 ,  H04N21/845 ,  H04N21/234 ,  H04N21/236 ,  H04N21/4147 ,  H04N21/44 ,  H04N21/6587 ,  H04N21/84

CPC classification number: H04N21/2387 ,  H04N21/234 ,  H04N21/236 ,  H04N21/4147 ,  H04N21/44 ,  H04N21/6587 ,  H04N21/84 ,  H04N21/8451 ,  H04N21/8455 ,  H04N21/8456

Abstract: The present invention relates to a method and a device for transmitting and receiving a broadcast signal for an HEVC stream trick play. The method for transmitting a broadcast signal, according to one 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 having the maximum temporal identification information value of the video stream; generating a broadcast signal comprising the generated video stream; and transmitting the generated broadcast signal.

公开(公告)号：US09860607B2

公开(公告)日：2018-01-02

申请号：US14423980

申请日：2014-11-18

Applicant: LG ELECTRONICS INC.

Inventor： Soojin Hwang ,  Hyunmook Oh ,  Jongyeul Suh ,  Joonhee Yoon

IPC: H04N21/6587 ,  H04N21/2387 ,  H04N21/236 ,  H04N21/432 ,  H04N21/6336 ,  H04N21/81 ,  H04N21/845 ,  H04N21/854 ,  G11B27/10 ,  H04N21/4147 ,  H04N21/6379 ,  H04N21/658 ,  H04N19/70 ,  H04N19/31

CPC classification number: H04N21/6587 ,  G11B27/10 ,  H04N19/31 ,  H04N19/70 ,  H04N21/23605 ,  H04N21/23614 ,  H04N21/2387 ,  H04N21/4147 ,  H04N21/4325 ,  H04N21/6336 ,  H04N21/6379 ,  H04N21/6581 ,  H04N21/816 ,  H04N21/8453 ,  H04N21/8456 ,  H04N21/85406

Abstract: A method and apparatus for transmitting and receiving a broadcast signal for a trick play are disclosed. The broadcast signal transmitting method includes encoding video data to create a video elementary stream (ES), creating a packetized elementary stream (PES) including the video elementary stream (ES), creating a transport stream (TS) including the created PES, wherein the TS includes PVR assist information for executing a trick play, the PVR assist information includes tier number information and maximum temporal identification information, and the tier number information indicates a tier number having a value obtained by adding 1 to a temporal identification information value of a picture different from a RAP picture and the maximum temporal identification information indicates a maximum temporal identification information value of the video elementary stream (ES) including the encoded video data, and transmitting the created TS.

公开(公告)号：US11792304B2

公开(公告)日：2023-10-17

申请号：US17941503

申请日：2022-09-09

Applicant: LG Electronics Inc.

Inventor： Woosuk Kwon ,  Joonhee Yoon ,  Minsung Kwak

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

CPC classification number: H04L69/04 ,  H04L69/164 ,  H04L69/168 ,  H04L69/169 ,  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：US11159650B2

公开(公告)日：2021-10-26

申请号：US16672729

申请日：2019-11-04

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Joonhee Yoon ,  Minsung Kwak

IPC: H04L29/06

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：US11133881B2

公开(公告)日：2021-09-28

申请号：US17001226

申请日：2020-08-24

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.