公开(公告)号：US20210344734A1

公开(公告)日：2021-11-04

申请号：US17368431

申请日：2021-07-06

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/242 ,  H04N21/2362 ,  H04N21/2383 ,  H04H20/18 ,  H04H60/82 ,  H04N21/845 ,  H04L29/08 ,  H04N21/6437 ,  H04N21/647 ,  H04N21/854 ,  H04N21/8547

Abstract: 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：US20210184778A1

公开(公告)日：2021-06-17

申请号：US17166442

申请日：2021-02-03

Applicant: LG ELECTRONICS INC.

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

IPC: H04H20/42 ,  H04L29/06 ,  H04H60/72 ,  H04H20/59 ,  H04L29/12

Abstract: 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：US20210152856A1

公开(公告)日：2021-05-20

申请号：US17157415

申请日：2021-01-25

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/235 ,  H04N21/44 ,  H04N21/462 ,  H04N21/4722 ,  H04N21/61 ,  H04N21/858 ,  H04N21/2389 ,  H04N21/435 ,  H04N21/643 ,  H04N21/8358

Abstract: A method of processing information in a digital receiver connected to an external input source includes receiving uncompressed data of a broadcast service from the external input source, the broadcast service delivered based on either a Real-Time Object Delivery over Unidirectional Transport (ROUTE) protocol or an MPEG Media Transport (MMT) protocol; extracting an audio watermark from the uncompressed data; making a request to a specific server using domain type and server code of the audio watermark to form a first URL; receiving a recovery file including a second URL used to retrieve signaling files needed to access and present a supplementary content; retrieving the signaling files using the second URL in the recovery file; and presenting the supplementary content based on the signaling files. Further, timing information included in the recovery file is used to synchronize the supplementary content with the uncompressed data from the external input source.

公开(公告)号：US20210105511A1

公开(公告)日：2021-04-08

申请号：US17083101

申请日：2020-10-28

Applicant: LG ELECTRONICS INC.

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

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

Abstract: An apparatus for receiving a broadcast signal, includes a receiver configured to receive the broadcast signal including physical layer signaling data, signaling data, content data and service guide information, wherein the signaling data is included in a signal frame indicated by the physical layer signaling data, wherein the signaling data includes mapping information between a service and a PLP, and information supporting channel scanning and service acquisition, wherein the service guide information includes a service fragment having information about the broadcast service and a content fragment having information about content data of the broadcast service, wherein the content fragment further includes a content-level PrivateExt element having component information of the content data, wherein the component information includes information for a component in the broadcast service, and wherein the component is one of a video component, an audio component, and a closed caption component (CC).

公开(公告)号：US20210084092A1

公开(公告)日：2021-03-18

申请号：US17107477

申请日：2020-11-30

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 of processing a broadcast signal in a transmitter, includes generating service data, generating service layer signaling (SLS) information that provides session description information for at least one transport session carrying the service data, encapsulating the service data and the SLS information into Internet Protocol (IP) packets, generating physical layer signaling information that includes wake-up information for identifying whether a receiver is to be woken up and transmitting the broadcast signal including the IP packets and the physical layer signaling information, wherein the broadcast signal further includes emergency alert table (EAT) information that includes identification information for identifying an emergency alert message, wherein the EAT information further includes information for indicating a location of a rich media content related to the emergency alert message, and wherein the EAT information is carried in IP packets with well-known address and port information.

公开(公告)号：US20210006845A1

公开(公告)日：2021-01-07

申请号：US16995415

申请日：2020-08-17

Applicant: LG ELECTRONICS INC.

Inventor： Minsung KWAK ,  Woosuk KWON ,  Seungryul YANG ,  Woosuk KO

IPC: H04N21/2381 ,  H04N21/236 ,  H04N21/2343 ,  H04N21/434 ,  H04L29/06

Abstract: Disclosed is a broadcast signal transmitting method. The broadcast signal transmitting method according to an embodiment of the present invention may comprise: generating low level signaling, LLS, information; encapsulating the LLS information into an IP packet; and generating a signal frame by physical layer processing the LLS information. The LLS information may comprise comprises LLS ID information identifying a type of the LLS information and the type of the LLS information may comprise at least one of EA information providing information related to emergency alert and screen clear information providing information related to screen clear.

公开(公告)号：US20200374053A1

公开(公告)日：2020-11-26

申请号：US16767471

申请日：2018-12-20

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho HWANG ,  Woosuk KO ,  Seungryul YANG

IPC: H04L5/00 ,  H04L29/08 ,  H04W4/40 ,  H04W4/38

Abstract: A method of sending, by a V2X communication device of a vehicle, a CPM message is disclosed. The method includes collecting sensor data obtained from a plurality of sensors mounted on the vehicle to detect a surrounding object; generating a CP message including sensor information on the plurality of sensors and object information on the detected surrounding object; and sending the CP message. The CP message includes a header, a basic container, an originating station container including information of the vehicle, and a perceived object container including information on the detected surrounding object. The originating station container includes a sensor type field representing sensor types for the plurality of sensors and a sub-sensor type field including additional information for the plurality of sensors according to the sensor types.

公开(公告)号：US20200304878A1

公开(公告)日：2020-09-24

申请号：US16894119

申请日：2020-06-05

Applicant: LG ELECTRONICS INC.

Inventor： Seungjoo AN ,  Seungryul YANG ,  Woosuk KO ,  Jinwon LEE ,  Kyoungsoo MOON ,  Sungryong HONG ,  Minsung KWAK

IPC: H04N21/482 ,  H04N21/43 ,  H04N21/45 ,  H04N21/236 ,  H04N21/41 ,  H04N21/426 ,  H04N21/262 ,  H04L27/26 ,  H04L29/06 ,  H04N21/2383 ,  H04N21/61 ,  H04N21/63

Abstract: A method of transmitting broadcast data by a broadcast receiver that is connected to a companion device. The method includes receiving a broadcast signal including service data and Electronic Service Guide (ESG) information for the service data; time deinterleaving the service data and the ESG information; decoding the service data and the ESG information; and transmitting the ESG information to the companion device. Further, content information is acquired based on the ESG information, the content information representing component information including at least one of a video component element describing a role of a video component, an audio component element describing a role of an audio component, a closed caption component element describing a role of a closed caption component, or an application component element describing a role of an application component, and the content information further representing a capability element for the at least one of the video component or the audio component.

公开(公告)号：US20200304843A1

公开(公告)日：2020-09-24

申请号：US16897757

申请日：2020-06-10

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/235 ,  H04N21/44 ,  H04N21/462 ,  H04N21/4722 ,  H04N21/61 ,  H04N21/858 ,  H04N21/2389 ,  H04N21/435 ,  H04N21/643 ,  H04N21/8358

Abstract: A method of processing information in a digital receiver connected to an external input source includes receiving uncompressed data of a broadcast service from the external input source, the broadcast service delivered based on either a Real-Time Object Delivery over Unidirectional Transport (ROUTE) protocol or an MPEG Media Transport (MMT) protocol; extracting an audio watermark from the uncompressed data; making a request to a specific server using domain type and server code of the audio watermark to form a first URL; receiving a recovery file including a second URL used to retrieve signaling files needed to access and present a supplementary content; retrieving the signaling files using the second URL in the recovery file; and presenting the supplementary content based on the signaling files. Further, timing information included in the recovery file is used to synchronize the supplementary content with the uncompressed data from the external input source.

公开(公告)号：US20200275140A1

公开(公告)日：2020-08-27

申请号：US16871627

申请日：2020-05-11

Applicant: LG ELECTRONICS INC.

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

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

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.