公开(公告)号：US20200245005A1

公开(公告)日：2020-07-30

申请号：US16847779

申请日：2020-04-14

Applicant: LG ELECTRONICS INC.

Inventor： Minsung KWAK ,  Seungryul YANG ,  Kyoungsoo MOON ,  Woosuk KO ,  Sungryong HONG

IPC: H04N21/2362 ,  H04N21/472 ,  H04N21/81 ,  H04N21/488 ,  H04N21/44 ,  H04N21/439 ,  H04N21/262 ,  H04N21/233 ,  H04N21/434 ,  H04N21/2389 ,  H04N21/235 ,  H04N21/234 ,  H04N21/462 ,  H04N21/482 ,  H04N21/258 ,  H04N21/45 ,  H04N21/41

Abstract: A broadcast receiver includes a tuner configured to receive a broadcast signal; a frequency deinterleaver configured to frequency deinterleave data in the broadcast signal based on an address generator; a time deinterleaver configured to time deinterleave a Time Interleaving (TI) block including the frequency deinterleaved data, the TI block including one or more Forward Error Correction (FEC) blocks interleaved by a TI scheme, the TI scheme including linear-writing one or more FEC blocks in a memory and diagonal-reading the one or more FEC block based on the TI block by skipping one or more virtual FEC blocks that are ahead of the one or more FEC blocks in the TI block; a decoder configured to decode the broadcast signal, the decoded broadcast signal including a signal frame including: one or more components included in a content of a service 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 or a closed caption component of the one or more components, the role information for the audio component including visually impaired, and first information for rapid channel scans and service acquisition and second information describing mappings between Data Pipes (DPs) and the service and information identifying a DP for the second information; and a display configured to display information related to the content based on the role information of the one or more components of the content in the decoded broadcast signal.

公开(公告)号：US20200213370A1

公开(公告)日：2020-07-02

申请号：US16813266

申请日：2020-03-09

Applicant: LG ELECTRONICS INC.

Inventor： Minsung KWAK ,  Jangwon LEE ,  Woosuk KO ,  Sungryong HONG

IPC: H04L29/06 ,  H04L12/18 ,  H04N21/00

Abstract: A method for transmitting a broadcast signal, includes receiving at least one input packet corresponding to at least one Movie Picture Experts Group-2 (MPEG-2) Transport Stream (TS) packet or at least one Internet Protocol (IP) packet in a link layer; and generating at least one link layer packet based on the at least one MPEG-2 TS packet or the at least one IP packet, wherein components for at least one service and service layer signaling information are carried in at least one Real time Object delivery over Unidirectional Transport (ROUTE) session, wherein the at least one ROUTE session includes at least one Layered Coding Transport (LCT) channel for each of the components and the service layer signaling information, and wherein the service layer signaling information includes a user service description fragment.

公开(公告)号：US20200106823A1

公开(公告)日：2020-04-02

申请号：US16700732

申请日：2019-12-02

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Minsung KWAK ,  Kyoungsoo MOON ,  Woosuk KO ,  Sungryong HONG

IPC: H04L29/06 ,  H04N21/2343 ,  H04N21/2362 ,  H04N21/858 ,  H04N21/434

Abstract: A method for transmitting a broadcast signal is disclosed. The method for transmitting a broadcast signal according to an embodiment of the present invention includes performing delivery layer processing of a broadcast service data and signaling information with respect to the broadcast service data, performing UDP/IP encapsulation of a broadcast service data and signaling information with respect to the broadcast service data and performing physical layer processing of a broadcast service data and signaling information with respect to the broadcast service data.

公开(公告)号：US20200059676A1

公开(公告)日：2020-02-20

申请号：US16525107

申请日：2019-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Sangchul MOON ,  Woosuk KO ,  Sungryong HONG ,  Jinwoo KIM ,  Jongwoong SHIN

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

Abstract: 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 lease 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：US20200021860A1

公开(公告)日：2020-01-16

申请号：US16522284

申请日：2019-07-25

Applicant: LG ELECTRONICS INC.

Inventor： Sangchul MOON ,  Woosuk KO ,  Sungryong HONG ,  Jinwoo KIM ,  Jongwoong SHIN

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

Abstract: 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 lease 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：US20190320241A1

公开(公告)日：2019-10-17

申请号：US16453326

申请日：2019-06-26

Applicant: LG ELECTRONICS INC.

Inventor： Seungjoo AN ,  Kyoungsoo MOON ,  Jinwon LEE ,  Woosuk KO ,  Sejin OH ,  Donghyun KANG ,  Sungryong HONG

IPC: H04N21/81 ,  H04N21/41 ,  H04H20/93 ,  H04N21/8358 ,  H04N21/462 ,  H04N21/858 ,  H04N21/2389 ,  H04N21/235

Abstract: A method of processing supplementary content in a digital receiver is discussed. The method includes connecting to an external input source being different from a broadcaster; receiving uncompressed A/V content from the external input source being different from the broadcaster; extracting audio watermark from the uncompressed A/V content; wherein the audio watermark includes domain type information, time information and event flag; constructing a first URL based on the domain type information, the time information and the event flag included in the audio watermark; transmitting an HTTP request to a remote server based on the first URL; receiving a second URL for the supplementary content from the remote server; and presenting the supplementary content based on the second URL.

公开(公告)号：US20190306834A1

公开(公告)日：2019-10-03

申请号：US16447327

申请日：2019-06-20

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 ,  H04H20/72 ,  H04L1/06 ,  H04L1/00 ,  H04L5/00 ,  H04L27/26 ,  H04W28/06 ,  H04L29/06

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an input formatter to format at least one input stream to output DP (Data Pipe) data corresponding to each of a plurality of DPs, wherein the each of a plurality of DPs carries at least one service or at least one service component, an encoder to encode the DP data, a mapper to map the encoded DP data onto constellations, a time interleaver to time interleave the mapped DP data, a frame builder to build at least one signal frame including the time interleaved DP data, a modulator to modulate data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter to transmit the broadcast signals having the modulated data.

公开(公告)号：US20190289338A1

公开(公告)日：2019-09-19

申请号：US16432533

申请日：2019-06-05

Applicant: LG ELECTRONICS INC.

Inventor： Kyoungsoo MOON ,  Minsung KWAK ,  Jangwon LEE ,  Woosuk KO ,  Sungryong HONG

IPC: H04N21/235 ,  H04N21/61 ,  H04N21/2343 ,  H04H60/73 ,  H04N21/434 ,  H04N21/2383 ,  H04H60/07

Abstract: A method of generating and processing a broadcast signal, includes generating broadcast data for broadcast services; generating first signaling information providing information for discovery and acquisition of a broadcast service; generating second signaling information including service entries for the broadcast services, wherein one of the service entries includes a first service identifier for identifying the broadcast service and bootstrap information for discovering a transport session carrying the first signaling information for the broadcast service; generating physical layer signaling information; and transmitting the broadcast signal including the broadcast data, the first signaling information, the second signaling information, and the physical layer signaling information.

公开(公告)号：US20190273956A1

公开(公告)日：2019-09-05

申请号：US16412049

申请日：2019-05-14

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/236 ,  H04N21/6437 ,  H04L29/06 ,  H04N21/845

Abstract: A broadcast transmitter for processing a broadcast signal is discussed. The broadcast transmitter includes a packetizer to generate transport packets based on a Layered Coding Transport (LCT) format, wherein the transport packets are used to transport at least one delivery object and signaling data; and a transmitter to transmit the broadcast signal comprising the transport packets, wherein the signaling data includes a real-time attribute which is a boolean flag that is set to true when the transport packets carry a real-time content that is comprised of the at least one delivery object, and wherein a header of at least one transport packet of the transport packets includes codepoint information for indicating a type of a payload that is carried by the at least one transport packet, transport object identifier information for identifying the at least one delivery object, and information for identifying a starting position of a fragment of the delivery object carried in the at least one transport packet.

公开(公告)号：US20190268194A1

公开(公告)日：2019-08-29

申请号：US16399425

申请日：2019-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H03M13/00 ,  H03M13/27 ,  H03M13/25 ,  H03M13/29 ,  H04L12/18 ,  H04L1/00 ,  H04L5/00 ,  H04H60/11 ,  H04H20/42

Abstract: Disclosed herein is a broadcast signal receiver. The broadcast signal receiver according to an embodiment of the present invention includes a synchronization and demodulation module configured to perform detection and OFDM demodulation on a received broadcast signal, a frame parsing and deinterleaving module configured to parse and deinterleave the signal frame of the broadcast signal, a demapping and decoding module configured to convert the data of at least one Physical Layer Pipe (PLP) of the broadcast signal into a bit domain and to FEC-decode the PLP data, and an output processing module configured to receive the data of the at least one PLP and to output the received data in a data stream form.