公开(公告)号：US20150326895A1

公开(公告)日：2015-11-12

申请号：US14803990

申请日：2015-07-20

Applicant: LG ELECTRONICS INC.

Inventor： Jongyeul SUH ,  Kookyeon KWAK ,  Jinpil KIM ,  Jeehyun CHOE ,  Hotaek HONG

IPC: H04N21/2343 ,  H04N21/2362 ,  H04N21/845 ,  H04N21/236

CPC classification number: H04N21/234309 ,  H04N7/0125 ,  H04N7/12 ,  H04N19/40 ,  H04N19/59 ,  H04N21/234363 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/4348 ,  H04N21/845 ,  H04N21/8451

Abstract: The present invention provides an apparatus for transmitting a video stream, an apparatus for receiving a video stream, a method for transmitting a video stream, and a method for receiving a video stream. One embodiment of the present invention, discloses the method for transmitting the video stream, comprising the steps of: down-sampling a UHD (ultra high definition) video stream to divide the UHD video stream into a sub-stream of a viewable HD compatible video, a sub-stream of an HD-sized video, and a sub-stream of a residual signal as a difference between the HD compatible video and the HD-sized video, and encoding the divided sub-streams; multiplexing signaling information for describing the relationship between the UHD video stream and at least one sub-stream and including the sub-stream; and transmitting the multiplexed HD sub-stream and the signaling information.

Abstract translation: 本发明提供了一种用于发送视频流的装置，用于接收视频流的装置，用于发送视频流的方法以及用于接收视频流的方法。 本发明的一个实施例公开了用于发送视频流的方法，包括以下步骤：对UHD（超高清晰度）视频流进行下采样，以将UHD视频流划分为可视高清兼容视频的子流 HD尺寸视频的子流，以及作为HD兼容视频和HD尺寸视频之间的差异的残差信号子流，以及对所划分的子流进行编码; 多路复用信令信息，用于描述UHD视频流与至少一个子流之间的关系，并包括该子流; 以及发送多路复用HD子流和信令信息。

公开(公告)号：US20170359143A1

公开(公告)日：2017-12-14

申请号：US15689805

申请日：2017-08-29

Applicant: LG ELECTRONICS INC.

Inventor： Byounggill KIM ,  Woochan KIM ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG ,  Chulkyu MUN ,  Jinyong CHOI ,  Jaeho HWANG ,  Jongseob BAEK ,  Kookyeon KWAK ,  Byeongkook JEONG

IPC: H04L1/00 ,  H04L1/06 ,  H04L1/08 ,  H04L27/26

CPC classification number: H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0072 ,  H04L1/0625 ,  H04L1/0631 ,  H04L1/08 ,  H04L27/2607 ,  H04L27/2613 ,  H04L2001/0093

Abstract: The object of the present invention can be achieved by providing a method of transmitting broadcast signals including encoding Data Pipe, DP, data, wherein the encoding further includes Forward Error Correction, FEC, encoding the DP data, Bit interleaving the FEC encoded DP data and mapping the bit interleaved DP data onto constellations; building at least one signal frame by mapping the encoded DP data; and modulating data in the at least one built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data, wherein each of the at least one signal frame includes at least one preamble having repeated at least one signaling information.

公开(公告)号：US20160049998A1

公开(公告)日：2016-02-18

申请号：US14881957

申请日：2015-10-13

Applicant: LG ELECTRONICS INC.

Inventor： Jinyong CHOI ,  Byounggill KIM ,  Woochan KIM ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG ,  Chulkyu MUN ,  Jaeho HWANG ,  Jongseob BAEK ,  Kookyeon KWAK ,  Sangchul MOON

IPC: H04B7/04 ,  H04L27/20

CPC classification number: H04H20/44 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/10 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/06 ,  H04L5/0007 ,  H04L5/0023 ,  H04L27/2046 ,  H04L27/34

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting input streams into Data Pipe, DP, data; Low-Density Parity-Check, LDPC, encoding the DP data according to a code rate; bit interleaving the LDPC encoded DP data; mapping the bit interleaved DP data onto constellations according to one of QAM (Quadrature Amplitude Modulation), NUQ (Non-Uniform QAM) or NUC (Non-Uniform Constellation); Multi-Input Multi-Output, MIMO, encoding the mapped DP data by using a MIMO encoding matrix having a MIMO encoding parameter; building at least one signal frame by mapping the MIMO encoded DP data; and modulating data in the built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data.

Abstract translation: 本发明提供一种发送广播信号的方法。 该方法包括将输入流格式化为数据管道，DP，数据; 低密度奇偶校验LDPC，根据码率对DP数据进行编码; 比特交织LDPC编码的DP数据; 根据QAM（正交幅度调制），NUQ（Non-Uniform QAM）或NUC（Non-Uniform Constellation）之一将位交织的DP数据映射到星座上; 多输入多输出MIMO，通过使用具有MIMO编码参数的MIMO编码矩阵对映射的DP数据进行编码; 通过映射MIMO编码的DP数据构建至少一个信号帧; 以及通过正交频分复用OFDM方法调制内置信号帧中的数据，并发送具有调制数据的广播信号。

公开(公告)号：US20150358941A1

公开(公告)日：2015-12-10

申请号：US14758923

申请日：2014-05-15

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho HWANG ,  Byounggill KIM ,  Woochan KIM ,  Jaehyung KIM ,  Sungryong HONG ,  Chulkyu MUN ,  Jinyong CHOI ,  Jongseob BAEK ,  Kookyeon KWAK ,  Woosuk KO

IPC: H04W72/00 ,  H04L5/00 ,  H04W4/06

CPC classification number: H04W72/005 ,  H04H20/71 ,  H04L5/0007 ,  H04L5/0044 ,  H04N21/236 ,  H04N21/434 ,  H04W4/06

Abstract: The present invention provides a method for transmitting broadcast signal. The method for transmitting a broadcast signal according to the present invention comprises the steps of: demultiplexing at least one input stream into a plurality of DPs (Data Pipes) wherein the step of demultiplexing includes the steps of dividing the input stream into a plurality of DPs in which data of the plurality of DPs include one or more consecutive input packets, segmenting the data of the plurality of DPs into data units each having the same length as that of a payload of a BB frame, cyclic-shifting the input packets of the divided data, allocating the cyclic-shifted input packets to the payload of the BB frame, and inserting a header before the payload of the BB frame; and processing and transmitting the data of the plurality of DPs per DP.

Abstract translation: 本发明提供一种发送广播信号的方法。 根据本发明的用于发送广播信号的方法包括以下步骤：将至少一个输入流解复用为多个DP（数据管道），其中解复用步骤包括以下步骤：将输入流划分为多个DP 其中所述多个DP的数据包括一个或多个连续输入分组，将所述多个DP的数据分段成每个具有与BB帧的有效载荷相同的长度的数据单元，循环移位所述输入分组的输入分组 将循环移位的输入分组分配给BB帧的有效载荷，并在BB帧的有效载荷之前插入报头; 并且每DP处理和发送多个DP的数据。

公开(公告)号：US20180062866A1

公开(公告)日：2018-03-01

申请号：US15687163

申请日：2017-08-25

Applicant: LG Electronics Inc.

Inventor： Byounggill KIM ,  Woochan KIM ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG ,  Chulkyu MUN ,  Jinyong CHOI ,  Jaeho HWANG ,  Jongseob BAEK ,  Kookyeon KWAK ,  Byeongkook JEONG

IPC: H04L12/18 ,  H04N21/438 ,  H04N21/434 ,  H04N21/2383 ,  H04J13/00 ,  H04L12/931 ,  H04L27/26 ,  H04L1/00 ,  H04N21/236

CPC classification number: H04L12/18 ,  H04J13/0062 ,  H04L1/0072 ,  H04L27/2613 ,  H04L49/201 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/434 ,  H04N21/4382

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals including encoding DP (Data Pipe) data carrying at least one service, mapping the encoded DP data onto constellations, time interleaving the mapped DP data, building a signal frame including the time interleaved DP data, modulating data in the built signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, and transmitting the broadcast signals having the modulated data, wherein the broadcast signals are carried in consecutive super frames, wherein each of the super frames includes multiplexed signal frames for different service in a time domain, wherein the signal frame includes a preamble located at the beginning of the at least one signal frame, wherein the preamble includes signaling information for identifying the signal frame.

公开(公告)号：US20170126251A1

公开(公告)日：2017-05-04

申请号：US15402838

申请日：2017-01-10

Applicant: LG Electronics Inc.

Inventor： Jongseob BAEK ,  Byounggill KIM, I ,  Woochan KIM ,  Jaehyung KIM ,  Sungryong HONG ,  Chulkyu MUN ,  Jinyong CHOI ,  Jaeho HWANG ,  Kookyeon KWAK ,  Woosuk KO

IPC: H03M13/27 ,  H03M13/11 ,  H04L1/00 ,  H04L27/26 ,  H04L5/00

CPC classification number: H03M13/2792 ,  H03M13/1102 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/0083 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2627 ,  H04L2001/0093

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding DP data according to a code rate, wherein the encoding further includes LDPC encoding the DP data according to the code rate, bit interleaving the LDPC encoded DP data, mapping the bit interleaved DP data onto constellations, MIMO (Multi Input Multi Output) encoding the mapped DP data, and time interleaving the MIMO encoded DP data; building at least one signal frame by arranging the encoded DP data; and modulating data in the built signal frame by OFDM method and transmitting the broadcast signals having the modulated data, wherein the step of modulating includes inserting CPs in the built signal frame based on a CP set which includes information about locations of CPs, wherein the CP set is defined based on FFT size.

公开(公告)号：US20150365204A1

公开(公告)日：2015-12-17

申请号：US14760952

申请日：2014-03-17

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Byounggill KIM ,  Woochan KIM ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG ,  Chulkyu MUN ,  Jinyong CHOI ,  Jaeho HWANG ,  Kookyeon KWAK ,  Byeongkook JEONG

IPC: H04L5/00 ,  H04L29/06 ,  H04L1/00

CPC classification number: H04L5/0007 ,  H04H20/423 ,  H04H60/07 ,  H04L1/004 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0618 ,  H04L27/2602 ,  H04L27/36 ,  H04L65/4076 ,  H04L65/605 ,  H04L65/607 ,  H04N21/2383 ,  H04N21/4382

Abstract: The present invention provides a broadcast signal transmitting method. The method for transmitting a broadcast signal according to the present invention may comprise: a step of encoding data pipe (DP) data according to a code rate, the step of encoding DP data comprising a sub-step of forward error correction (FEC) encoding the DP data, a sub-step of bit-interleaving the FEC encoded DP data, and a sub-step of mapping the bit-interleaved DP data to constellation according to the code rate; a step of generating at least one signal frame by mapping the encoded DP data; and a step of modulating data of the generated signal frame by an orthogonal frequency division multiplexing (OFDM) scheme and transmitting a broadcast signal including the modulated data of the signal frame.

Abstract translation: 本发明提供广播信号发送方法。 根据本发明的用于发送广播信号的方法可以包括：根据码率对数据管道（DP）数据进行编码的步骤，对包括前向纠错（FEC）编码的子步骤的DP数据进行编码的步骤 DP数据，对FEC编码的DP数据进行位交织的子步骤，以及根据码率将比特交织的DP数据映射到星座的子步骤; 通过映射编码的DP数据来生成至少一个信号帧的步骤; 以及通过正交频分复用（OFDM）方式调制所生成的信号帧的数据并发送包括信号帧的调制数据的广播信号的步骤。

公开(公告)号：US20140108934A1

公开(公告)日：2014-04-17

申请号：US14038330

申请日：2013-09-26

Applicant: LG ELECTRONICS INC.

Inventor： Tacksung CHOI ,  Kookyeon KWAK

IPC: G06F3/16

CPC classification number: G06F3/167 ,  G06F3/017 ,  G06F3/04883

Abstract: An image display apparatus and a method for operating the same are disclosed. The image display apparatus operating method includes receiving a touch input or a gesture input in a first direction, outputting a first sound corresponding to the first direction, receiving a touch input or a gesture input in a second direction, and outputting a second sound corresponding to the second direction. Therefore, it may be possible to improve user convenience.

Abstract translation: 公开了一种图像显示装置及其操作方法。 图像显示装置操作方法包括：接收在第一方向上的触摸输入或手势输入，输出与第一方向相对应的第一声音，接收在第二方向上的触摸输入或手势输入，以及输出对应于 第二个方向。 因此，可以提高用户便利性。

公开(公告)号：US20180123761A1

公开(公告)日：2018-05-03

申请号：US15798142

申请日：2017-10-30

Applicant: LG ELECTRONICS INC.

Inventor： Byounggill KIM ,  Woochan KIM ,  Jaehyung KIM ,  Sungryong HONG ,  Chulkyu MUN ,  Jinyong CHOI ,  Jaeho HWANG ,  Jongseob BAEK ,  Kookyeon KWAK ,  Woosuk KO

IPC: H04L5/00 ,  H04L27/26 ,  H04L29/06

CPC classification number: H04L5/0053 ,  H04B7/0413 ,  H04H20/59 ,  H04H20/72 ,  H04J13/0062 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0016 ,  H04L5/0026 ,  H04L27/2611 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2647 ,  H04L65/4076 ,  H04L65/80

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals comprises encoding DP (data pipe) data carrying at least one service, mapping the encoded DP data onto constellations, time interleaving the mapped DP data, building at least one signal frame including the time interleaved DP data, modulating data in the built at least one signal frame by an OFDM scheme and transmitting the broadcast signals having the modulated data, wherein the at least one signal frame includes emergency alert information.

公开(公告)号：US20170111200A1

公开(公告)日：2017-04-20

申请号：US15391589

申请日：2016-12-27

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Byounggill KIM ,  Woochan KIM ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG ,  Chulkyu MOON ,  Jinyong CHOI ,  Jaeho HWANG ,  Kookyeon KWAK ,  Byeongkook JEONG

IPC: H04L27/26 ,  H04H20/71 ,  H04B7/04 ,  H04L1/00 ,  H04L27/34

CPC classification number: H04L27/2637 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/27 ,  H03M13/2906 ,  H04B7/0413 ,  H04H20/71 ,  H04L1/0009 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0054 ,  H04L1/0063 ,  H04L1/0064 ,  H04L1/0071 ,  H04L27/2626 ,  H04L27/2647 ,  H04L27/3494

Abstract: The present invention provides a method for transmitting a broadcast signal. The method for transmitting the broadcast signal according to the present invention may comprise the steps of: formatting input streams into multiple data pipes (DPs); encoding data of the multiple DPs according to a code rate for each DP; generating at least one signal frame by mapping the encoded data of the multiple DPs; and modulating data of the generated signal frame in an orthogonal frequency division multiplexing (OFDM) scheme, and transmitting the broadcast signal including data of the modulated signal frame.