公开(公告)号：US20190109657A1

公开(公告)日：2019-04-11

申请号：US16216761

申请日：2018-12-11

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Jeongwoo KIM ,  Minsung KWAK

IPC: H04H20/59 ,  H04H20/72 ,  H04H20/71 ,  H04W4/90 ,  H04L1/00 ,  H04W72/00

CPC classification number: H04H20/59 ,  H04H20/71 ,  H04H20/72 ,  H04L1/0041 ,  H04W4/90 ,  H04W72/005

Abstract: A device providing an emergency alert service via a mobile broadcasting according to one embodiment of the present invention includes an RS frame encoder configured to generate an RS frame, which is a 2nd dimensional data frame, in a manner of performing an RS (Reed-Solomon))—CRC (Cyclic Redundancy Check) encoding on an ensemble comprising a mobile data for a mobile broadcasting service and a service signaling channel containing an access information on the mobile broadcasting service, an RS frame divider configured to divide the generated RS frame into a plurality of RS frame portions, a signaling encoder configured to generate a signaling data comprising a TPC (Transmission Parameter Channel) for signaling a transmission parameter of the mobile broadcasting and a FIC (Fast Information Channel) containing a connection information between the ensemble and the broadcasting service, a data group formatter configured to generate a data group containing a part of the signaling data and the RS frame portion, and a broadcasting signal generating unit configured to generate a mobile broadcasting signal containing the data group.

公开(公告)号：US20180367227A1

公开(公告)日：2018-12-20

申请号：US16113827

申请日：2018-08-27

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon LEE ,  Sejin OH ,  Woosuk KWON ,  Kyoungsoo MOON ,  Woosuk KO ,  Sungryong HONG

IPC: H04H20/71 ,  H04N21/61 ,  H04N21/235 ,  H04L29/06 ,  H04N21/2362 ,  H04N21/84 ,  H04N21/236 ,  H04L29/08 ,  H04N19/89

CPC classification number: H04H20/71 ,  H04L65/4069 ,  H04L65/4076 ,  H04L65/602 ,  H04L65/607 ,  H04L67/02 ,  H04N19/89 ,  H04N21/235 ,  H04N21/236 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/6131 ,  H04N21/84

Abstract: A device with one or more processors for processing broadcast signals, the device including a depacketizing processor for extracting one or more delivery objects from one or more Layered Coding Transport (LCT) packets of the broadcast signals based on signaling information including mapping information, wherein the one or more LCT packet are used to transport the one or more delivery objects including service data for one or more broadcast services of the broadcast signals, wherein the one or more delivery object are carried in one or more transport sessions, wherein each LCT packet includes a header having a Transport Object Identifier (TOI) identifying a delivery object being carried in the each LCT packet, wherein the mapping information is used to establish a one-to-one mapping between the TOI and a uniform resource locator (URL) for the delivery object, wherein the one or more LCT packets and the signaling information are transmitted separately, wherein the header of each LCT packet further includes type information indicating whether a type of the delivery object being carried in the each LCT packet is a media segment type or an initialization segment type and a decoding processor for decoding the service data for the broadcast service.

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.

公开(公告)号：US20180270334A1

公开(公告)日：2018-09-20

申请号：US15980887

申请日：2018-05-16

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H04L69/22 ,  H04L29/06 ,  H04L29/08 ,  H04L61/2007 ,  H04L61/6068 ,  H04L69/324 ,  H04N21/235 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/434 ,  H04N21/4345 ,  H04N21/435 ,  H04W4/06

Abstract: A broadcast receiver for receiving a broadcast signal includes a receiver for receiving the broadcast signal including Physical Layer Pipe(PLP)s, wherein the PLPs carry link layer packets and wherein the link layer packets include one or more Internet protocol (IP) packets, a packet decoder for decoding the link layer packets from the PLPs, wherein the link layer packets include a compression information table related to a header-compressed stream of a first group of IP packets among the IP packets, and wherein the compression information table includes a PLP identifier identifying a PLP among the PLPs, a maximum value of an context identifier of the header-compressed stream, and a context profile being a range of protocols used for the header-compressed stream, a signaling decoder for decoding the compression information table in the decoded link layer packets, and a decompressor for decompressing the header-compressed stream to output the first group of IP packets.

公开(公告)号：US20180262785A1

公开(公告)日：2018-09-13

申请号：US15754698

申请日：2016-09-06

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/2362 ,  H04N21/854 ,  H04N21/8543 ,  H04N21/434

CPC classification number: H04N21/2362 ,  H04N21/236 ,  H04N21/4343 ,  H04N21/4345 ,  H04N21/488 ,  H04N21/4884 ,  H04N21/85406 ,  H04N21/8543

Abstract: The present invention presents a method for transmitting a broadcast signal. The method for transmitting a broadcast signal, according to the present invention, presents a system capable of supporting a next-generation broadcast service in an environment supporting next-generation hybrid broadcasting using a terrestrial broadcast network and an Internet network. In addition, presented is an efficient signaling method capable of covering both the terrestrial broadcast network and the Internet network in the environment supporting the next-generation hybrid broadcasting.

公开(公告)号：US20180175952A1

公开(公告)日：2018-06-21

申请号：US15894200

申请日：2018-02-12

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Jeongwoo KIM ,  Minsung KWAK

IPC: H04H20/59 ,  H04H20/72 ,  H04H20/71 ,  H04W4/90 ,  H04W72/00 ,  H04L1/00

CPC classification number: H04H20/59 ,  H04H20/71 ,  H04H20/72 ,  H04L1/0041 ,  H04W4/90 ,  H04W72/005

Abstract: A device providing an emergency alert service via a mobile broadcasting according to one embodiment of the present invention includes an RS frame encoder configured to generate an RS frame, which is a 2nd dimensional data frame, in a manner of performing an RS (Reed-Solomon)-CRC (Cyclic Redundancy Check) encoding on an ensemble comprising a mobile data for a mobile broadcasting service and a service signaling channel containing an access information on the mobile broadcasting service, an RS frame divider configured to divide the generated RS frame into a plurality of RS frame portions, a signaling encoder configured to generate a signaling data comprising a TPC (Transmission Parameter Channel) for signaling a transmission parameter of the mobile broadcasting and a FIC (Fast Information Channel) containing a connection information between the ensemble and the broadcasting service, a data group formatter configured to generate a data group containing a part of the signaling data and the RS frame portion, and a broadcasting signal generating unit configured to generate a mobile broadcasting signal containing the data group.

公开(公告)号：US20180131971A1

公开(公告)日：2018-05-10

申请号：US15563920

申请日：2016-04-25

Applicant: LG Electronics Inc.

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

IPC: H04N21/235 ,  H04N21/2362 ,  H04N21/238 ,  H04N21/434 ,  H04N21/435

CPC classification number: H04N21/235 ,  H04N21/2353 ,  H04N21/2362 ,  H04N21/238 ,  H04N21/434 ,  H04N21/435 ,  H04N21/8456

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

公开(公告)号：US20180083874A1

公开(公告)日：2018-03-22

申请号：US15818939

申请日：2017-11-21

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Sejin OH ,  Kyoungsoo MOON

IPC: H04L12/741 ,  H04L29/06 ,  H04N21/234 ,  H04H60/07 ,  H04N21/2343

CPC classification number: H04L45/74 ,  H04H60/07 ,  H04L69/22 ,  H04N21/234 ,  H04N21/2343 ,  H04N21/238

Abstract: An apparatus for receiving a broadcast signal, the apparatus includes a tuner configured to receive a broadcast signal; and a hardware processor configured to: process the broadcast signal to output a link layer packet, decapsulate the link layer packet to output a plurality of output packets comprising service data for a broadcast service, and decode the output packets to output the service data for the broadcast service, wherein the link layer packet includes a header and a payload including the service data of the output packets, wherein the header includes a base header having a first length field, wherein the header further includes an additional header for concatenation and the payload includes concatenated output packets, the additional header includes a second length field, and a concatenation of the first length field and the second length field indicates a total length of the payload.

公开(公告)号：US20170188062A1

公开(公告)日：2017-06-29

申请号：US15302112

申请日：2015-04-08

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Woosuk KO ,  Woosuk KWON ,  Jangwon LEE ,  Sungryong HONG ,  Kyoungsoo MOON

IPC: H04N21/236 ,  H04L29/08 ,  H04N21/234 ,  H04N21/643

CPC classification number: H04N21/23605 ,  H04L7/00 ,  H04L29/06 ,  H04L65/4076 ,  H04L65/604 ,  H04L65/607 ,  H04L67/02 ,  H04N21/234 ,  H04N21/236 ,  H04N21/6131 ,  H04N21/643 ,  H04N21/64322 ,  H04N21/8456 ,  H04N21/85406

Abstract: A transmitter, according to one embodiment of the present invention, comprises: a data encoder for generating a segment which transmits a portion of data included in a media; a packet encoder for generating a packet which divides the segment into one or more data units, and includes a payload which comprises a header and all or a portion of the data of the data unit; and a broadcast signal transmitting unit for generating a broadcast signal which includes the packet, and transmitting the broadcast signal, wherein the header includes a transport object identifier (TOI) element, and the TOI element comprises a data unit identification element which identifies the data unit, and a segment identification element which identifies the segment including the data transmitted in the payload.

公开(公告)号：US20170180803A1

公开(公告)日：2017-06-22

申请号：US15410976

申请日：2017-01-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/462 ,  H04N21/2387 ,  H04N21/436 ,  H04N21/84

CPC classification number: H04N21/4622 ,  H04H20/18 ,  H04H60/74 ,  H04H60/80 ,  H04H60/88 ,  H04N21/2343 ,  H04N21/235 ,  H04N21/2387 ,  H04N21/4325 ,  H04N21/4345 ,  H04N21/436 ,  H04N21/64322 ,  H04N21/84

Abstract: A broadcast reception device comprises: a broadcast interface for receiving a service, which includes a program, and signaling information; a companion screen interface for discovering a companion screen device; and a control unit for discovering the service and extracting the signaling information including descriptive information on the service, wherein the control unit generates playback state information for indicating a playback state of the program on the basis of the signaling information, and the companion screen interface can transmit the playback state information to the companion screen device.