公开(公告)号：US12132945B2

公开(公告)日：2024-10-29

申请号：US18207472

申请日：2023-06-08

申请人： LG ELECTRONICS INC.

发明人： Sangchul Moon ,  Woosuk Ko ,  Sungryong Hong ,  Jinwoo Kim ,  Jongwoong Shin

IPC分类号： H04L1/00 ,  H03M13/00 ,  H03M13/11 ,  H03M13/27 ,  H04B7/0456 ,  H04L5/00 ,  H04L27/26 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/414 ,  H04N21/434 ,  H04N21/438 ,  H04N21/61

CPC分类号： H04N21/2362 ,  H03M13/1148 ,  H03M13/2792 ,  H03M13/616 ,  H04B7/0456 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L5/0007 ,  H04L27/2601 ,  H04L27/2627 ,  H04L27/2649 ,  H04N21/23614 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/4381 ,  H04N21/4382 ,  H04N21/6131

摘要： The present invention provides an apparatus of transmitting broadcast signals, the apparatus including, an encoder for encoding service data, a frame builder for building at least one signal frame by mapping the encoded service data, a modulator for modulating data in the built at least one signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, scheme and a transmitter for transmitting the broadcast signals having the modulated data.

公开(公告)号：US11863203B2

公开(公告)日：2024-01-02

申请号：US18079708

申请日：2022-12-12

申请人： LG ELECTRONICS INC.

发明人： Jongseob Baek ,  Jongwoong Shin ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

IPC分类号： H03M13/27 ,  H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H03M13/09 ,  H03M13/11 ,  H03M13/15 ,  H03M13/25 ,  H03M13/29

CPC分类号： H03M13/2742 ,  H03M13/27 ,  H04L1/0071 ,  H04L1/0083 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2605 ,  H04L27/2627 ,  H04L27/2634 ,  H04L27/26524 ,  H03M13/09 ,  H03M13/1102 ,  H03M13/152 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2778 ,  H03M13/2906 ,  H04L1/0041 ,  H04L1/0045 ,  H04L2001/0093

摘要： A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder for encoding service data, a mapper for mapping the encoded service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver for frequency interleaving data in the at least one signal frame by using a different interleaving-seed which is used for every OFDM symbol pair comprised of two sequential OFDM symbols, a modulator for modulating the frequency interleaved data by an OFDM scheme and a transmitter for transmitting the broadcast signals having the modulated data, wherein the different interleaving-seed is generated based on a cyclic shifting value and wherein an interleaving seed is variable based on an FFT size of the modulating.

公开(公告)号：US11677483B2

公开(公告)日：2023-06-13

申请号：US17098722

申请日：2020-11-16

申请人： LG ELECTRONICS INC.

发明人： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC分类号： H04L1/00 ,  H04L27/26 ,  H04B7/0413 ,  H04H60/73 ,  H04H60/11

CPC分类号： H04H60/73 ,  H04B7/0413 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0075 ,  H04L27/2626 ,  H04L27/2649 ,  H04H60/11 ,  H04L2001/0093

摘要： A method and an apparatus for receiving broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse a signal frame from the demodulated broadcast signals, wherein the signal frame includes service data corresponding to each of a plurality of physical paths, a time deinterleaver to time deinterleave service data in each physical path by a TI (Time Interleaving) block, wherein the time deinterleaver further performs inserting at least one virtual FEC block into at least one TI block of the service data, wherein each TI block includes a variable number of FEC blocks of the service data, wherein a number of the at least one virtual FEC block is defined based on a maximum number of FEC blocks of a TI block and a decoder to decode the time deinterleaved service data.

公开(公告)号：US11664912B2

公开(公告)日：2023-05-30

申请号：US17166442

申请日：2021-02-03

申请人： LG ELECTRONICS INC.

发明人： Minsung Kwak ,  Seungryul Yang ,  Woosuk Ko ,  Sungryong Hong

IPC分类号： H04H20/42 ,  H04L69/22 ,  H04L65/70 ,  H04L69/16 ,  H04L69/00 ,  H04H60/72 ,  H04L65/80 ,  H04L69/04 ,  H04L61/5069 ,  H04L65/611 ,  H04H20/59

CPC分类号： H04H20/42 ,  H04H20/59 ,  H04H60/72 ,  H04L61/5069 ,  H04L65/611 ,  H04L65/70 ,  H04L65/80 ,  H04L69/02 ,  H04L69/04 ,  H04L69/16 ,  H04L69/22

摘要： A method for delivering data in a digital transmitter including generating service layer signaling (SLS) information comprising information for discovery and acquisition of at least one content component: generating service list table (SLT) information including bootstrap information for acquiring the SLS information; encapsulating the at least one content component, the SLS information and the SLT information via UDP/IP; and transmitting a broadcast signal comprising the at least one content component, the SLS information and the SLT information.

公开(公告)号：US11617007B2

公开(公告)日：2023-03-28

申请号：US17466802

申请日：2021-09-03

申请人： LG ELECTRONICS INC.

发明人： Jinwon Lee ,  Seungryul Yang ,  Woosuk Ko ,  Sungryong Hong ,  Minsung Kwak ,  Kyoungsoo Moon ,  Seungjoo An

IPC分类号： H04N21/43 ,  H04N21/436 ,  H04N21/478 ,  H04N21/2362 ,  H04N21/41 ,  H04N21/462 ,  H04N21/81 ,  H04N21/8543 ,  H04N21/858

摘要： A companion device interoperating with a broadcast reception device for receiving a broadcast signal, can include a communication device configured to connect the companion device with the broadcast reception device, in which the broadcast signal includes emergency alert information and service information for a broadcast service, and the service information includes service identification information for identifying the broadcast service and name information of the broadcast service, and the emergency alert information and the service information are carried in Internet Protocol (IP) packets having a same IP address; and a controller configured to receive the emergency alert information from the broadcast reception device, the emergency alert information including identifier information for the emergency alert information, category information of the emergency alert information, and priority information for the emergency alert information, and the controller receiving information for components of the broadcast service.

公开(公告)号：US11477259B2

公开(公告)日：2022-10-18

申请号：US17368431

申请日：2021-07-06

申请人： LG ELECTRONICS INC.

发明人： Sejin Oh ,  Jangwon Lee ,  Woosuk Ko ,  Sungryong Hong ,  Woosuk Kwon ,  Kyoungsoo Moon

IPC分类号： H04N21/236 ,  H04N21/2381 ,  H04N21/242 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/6437 ,  H04N21/647 ,  H04N21/854 ,  H04N21/8547 ,  H04L65/65 ,  H04H20/18 ,  H04H60/82 ,  H04N21/845 ,  H04L65/611 ,  H04L65/1101 ,  H04L67/02

摘要： A digital receiver for synchronizing multiple components delivered on a broadband network and a broadcast network, the digital receiver including a broadband network interface configured to receive broadband data including at least one audio component for a service via the broadband network, wherein the at least one audio component relates to a Dynamic Adaptive Streaming over HTTP (DASH) segment, wherein the broadband network comprises an internet network; a broadcast network interface configured to receive a broadcast signal including a video component for the service, first timing information, and second timing information via the broadcast network, wherein the broadcast signal further includes a MPD (Media Presentation Description) having a DASH representation containing a segment URL for the DASH segment delivered over the broadband network; and a processor configured to calculate an offset based on a receiver wall clock, and process at least one of the at least one audio component or the video component which is time-aligned based on the calculated offset.

公开(公告)号：US11272231B2

公开(公告)日：2022-03-08

申请号：US17152438

申请日：2021-01-19

申请人： LG ELECTRONICS INC.

发明人： Jangwon Lee ,  Sejin Oh ,  Woosuk Ko ,  Kyoungsoo Moon ,  Sungryong Hong

IPC分类号： H04N7/173 ,  H04N21/2381 ,  H04N21/8547 ,  H04L1/00 ,  H04N21/63 ,  H04B7/0413 ,  H04N21/462 ,  H04N21/2383 ,  H04H20/42 ,  H04H60/82 ,  H04H60/40 ,  H04N21/236 ,  H04N21/233 ,  H04N21/234 ,  H04N21/242

摘要： Provided is a method for transmitting a broadcast signal. The method for transmitting a broadcast signal, according to the present invention, can be a broadcast content transmitting method, comprising the steps of: generating, by a first module, a first media stream for broadcast content wherein the first media stream includes a plurality of packets, and at least one of the packets includes time information; generating, by a second module, a second media stream for the broadcast content; transmitting, by a third module, the first media stream through a broadcast network; receiving, by a fourth module, a request for the second media stream from a receiver; and transmitting, by the fourth module, the second media stream to the receiver through the Internet network.

公开(公告)号：US11252482B2

公开(公告)日：2022-02-15

申请号：US16859379

申请日：2020-04-27

申请人： LG ELECTRONICS INC.

发明人： Jinwon Lee ,  Kyoungsoo Moon ,  Woosuk Ko ,  Minsung Kwak ,  Seungjoo An ,  Sungryong Hong

IPC分类号： H04N21/81 ,  H04N7/08 ,  H04N7/015 ,  H04N21/6547 ,  H04N21/2362 ,  H04N21/61 ,  H04N21/858

摘要： A digital broadcast receiver for processing data of a broadcaster application, includes a tuner configured to receive a broadcast signal including video data for a broadcast program and application signaling information, wherein the application signaling information includes a URL (Uniform Resource Locator) of an entry page of the broadcaster application for providing an interactive service; a frequency deinterleaver configured to frequency deinterleave the video data and the application signaling information; and a time deinterleaver configured to perform time deinterleaving differently based on mode information, wherein the time deinterleaver comprises a twisted block deinterleaver, and wherein the twisted block deinterleaver is configured to deinterleave one or more FEC (Forward Error Correction) blocks comprising the video data and the application signaling information based on at least one TI (Time Interleaving) block interleaved by a TI scheme.

公开(公告)号：US11212772B2

公开(公告)日：2021-12-28

申请号：US16829474

申请日：2020-03-25

申请人： LG ELECTRONICS INC.

发明人： Minsung Kwak ,  Sejin Oh ,  Kyoungsoo Moon ,  Jangwon Lee ,  Woosuk Ko ,  Sungryong Hong

IPC分类号： H04W4/00 ,  H04W72/00 ,  H04W4/06 ,  H04L1/00 ,  H04N21/00 ,  H04L5/00 ,  H04L29/06 ,  H04L27/26 ,  H04L1/08

摘要： A method for transmitting a broadcast signal in a digital broadcast transmitter, includes generating components of a service, wherein the components of the service includes audio data or video data; generating first signaling information including session instance description information for at least one Real-Time Object Delivery over Unidirectional Transport (ROUTE) session and at least one Layered Coding Transport (LCT) channel in which the components of the service are delivered, wherein the session instance description information includes first source Internet Protocol (IP) address information of the at least one ROUTE session, first destination IP address information of the at least one ROUTE session, first destination port information of the at least one ROUTE session, and transport session identification information for the at least one LCT channel; and generating second signaling information which is used for acquiring the first signaling information.

公开(公告)号：US11190846B2

公开(公告)日：2021-11-30

申请号：US16919322

申请日：2020-07-02

申请人： LG ELECTRONICS INC.

发明人： Minsung Kwak ,  Seungryul Yang ,  Kyoungsoo Moon ,  Woosuk Ko ,  Sungryong Hong

IPC分类号： H04N21/472 ,  H04N21/236 ,  H04N21/654 ,  H04N21/81 ,  H04N21/84 ,  H04N21/43 ,  H04N21/235 ,  H04N21/254 ,  H04N21/262 ,  H04N21/41 ,  H04N21/64 ,  H04N21/2362 ,  H04N21/258 ,  H04N21/6547 ,  H04L1/00 ,  H04N21/4147 ,  H04N21/643

摘要： A method for receiving a broadcast signal includes receiving the broadcast signal; frequency deinterleaving data in the broadcast signal based on an address generator the address generator including a sequence generator generating a sequence, a symbol offset generator generating a symbol offset, after applying the symbol offset to the sequence, the sequence to which the symbol offset is applied is checked whether an address of the sequence is within a range for the frequency deinterleaving, the address within the range is used for the frequency deinterleaving; decoding the frequency deinterleaved data of a signal frame in the broadcast signal, the decoded signal frame including one or more components included in a content and content information describing the content, the content information including component information including role information for at least one of an audio component, a video component, a closed caption component or an application component of the one or more components; and displaying information related to the content based on the role information of the one or more components of the content in the decoded broadcast signal.