公开(公告)号：US20230379516A1

公开(公告)日：2023-11-23

申请号：US18030179

申请日：2021-11-03

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Joonhee YOON

IPC: H04N21/238

CPC classification number: H04N21/23805 ,  H04L12/18

Abstract: A method for processing a multicast signal according to embodiments may comprise the steps of: generating multicast media data; generating signaling information regarding the multicast media data; transmitting the multicast media data in a multicast method, on the basis of at least one of a first network and a second network; and transmitting the signaling information regarding the multicast media data. An apparatus for processing a multicast signal according to embodiments comprises: a memory; and a processor connected to the memory. The processor may: receive multicast media data on the basis of at least one of a first network and a second network; and decode the multicast media data.

公开(公告)号：US20220210251A1

公开(公告)日：2022-06-30

申请号：US17698530

申请日：2022-03-18

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Sejin OH ,  Kyoungsoo MOON

IPC: H04L69/324 ,  H04L65/611 ,  H04L65/65 ,  H04L69/22 ,  H04L69/16

Abstract: A method for transmitting a broadcast signal in a digital transmitter includes generating a link layer packet; wherein the link layer packet includes at least one header and a payload, wherein the at least one header includes a packet type field, and the packet type field represents a type of input data before encapsulation into the link layer packet, wherein in response to the packet type field represents that the input data relates to an Internet Protocol (IP) packet, a first header includes payload configuration information, and the payload configuration information follows the packet type field while at least one field following the payload configuration information changes based on the payload configuration information, wherein a size of a second header included in the link layer packet as well as a field included in the second header are determined based on the payload configuration information, wherein the size of the second header is zero (0) byte, 1 byte or values more than the 1 byte based on the payload configuration information, wherein in response to the packet type field represents that the input data relates to the IP packet and a configuration indicating field included in the first header represents that the payload carries a segment of one input packet, the link layer packet includes a segment sequence number for representing an order of a corresponding segment carried by the link layer packet, wherein in response to the packet type field represents that the input data relates to the IP packet and the configuration indicating field included in the first header represents that the payload carries concatenated input packets, the link layer packet includes count information for representing the number of the concatenated input packets included in the link layer packet; and transmitting the broadcast signal including the link layer packet.

公开(公告)号：US20220103913A1

公开(公告)日：2022-03-31

申请号：US17545340

申请日：2021-12-08

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Sejin OH ,  Kyoungsoo MOON

IPC: H04N21/845 ,  H04N21/2381 ,  H04N21/61 ,  H04N21/643

Abstract: Provided is a method for transmitting a broadcast signal. The method includes generating a plurality of input packets including broadcast data, generating at least one link layer packet using the input packets, wherein a header of the link layer packet includes packet type information and packet configuration information, the packet type information indicates a type of an input packet included in a payload of the link layer packet, and the packet configuration information indicates a payload configuration of the link layer packet, generating a broadcast signal using the link layer packet, and transmitting the broadcast signal.

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：US20210281512A1

公开(公告)日：2021-09-09

申请号：US17314886

申请日：2021-05-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04L12/741 ,  H04L29/06 ,  H04L12/18 ,  H04L29/08 ,  H04L12/801

Abstract: A method of transmitting a broadcast signal, includes processing one or more input packets to generate one or more link layer packets, a link layer packet including a header and a payload, the header including packet type information representing a type of an input packet in the payload and payload configuration information representing a configuration of the payload, the payload configuration information representing whether the link layer packet carries a single input packet or not, wherein the type of the input packet is either an Internet Protocol (IP) packet or a Movie Picture Exports Group (MPEG) Transport Stream (TS) packet, the payload configuration information is set to 0 (zero) in response to a layer packet including a single input packet, and 1 in response to a link layer packet including more than one input packet or a segmented part of one input packet, in response to the link layer packet including the single input packet, the header includes header mode information, the header mode information is set to 0 (zero) in response to a payload length that is less than 2048 bytes, 1 in response to a payload length that is larger than 2047 bytes; processing the one or more link layer packets to generate the broadcast signal; and transmitting the broadcast signal.

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：US20200169622A1

公开(公告)日：2020-05-28

申请号：US16774522

申请日：2020-01-28

Applicant: LG ELECTRONICS INC.

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

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

Abstract: A digital broadcast receiver for processing a broadcast signal, includes a tuner configured to receive the broadcast signal including Physical Layer Pipes (PLPs), wherein the PLPs carry link layer packets; and a controller coupled to the tuner, wherein the controller is configured to select and decode a specific PLP, detect and acquire first signaling information for supporting a channel scan and second signaling information for a robust header compression, wherein the second signaling information for the robust header compression includes a PLP identifier, profile information for representing a range of multiple protocols used to compress at least one stream, and a maximum value of a context identifier, select and decode another PLP to receive the at least one stream based on the second signaling information for the robust header compression, and decompress the at least one stream.

公开(公告)号：US20200067833A1

公开(公告)日：2020-02-27

申请号：US16666069

申请日：2019-10-28

Applicant: LG ELECTRONICS INC.

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

IPC: H04L12/741 ,  H04L12/801 ,  H04L12/18 ,  H04L29/06 ,  H04L29/08

Abstract: A method of transmitting a broadcast signal, includes processing one or more input packets to generate link layer packet(s), each link layer packet including a header and a payload, the header including packet type information representing a type of an input packet in the payload and payload configuration information representing a configuration of the payload, wherein the type of the input packet is an Internet Protocol (IP) packet or a Movie Picture Exports Group (MPEG) Transport Stream (TS) packet, the payload configuration information is set to a first value for a link layer packet including a single input packet and no additional header or the single input packet with an additional header, or the payload configuration information is set to a second value for a link layer packet including more than one input packet or a part of one input packet, and processing the link layer packet(s) to generate the broadcast signal.

公开(公告)号：US20190320296A1

公开(公告)日：2019-10-17

申请号：US16453376

申请日：2019-06-26

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/06 ,  H04L1/00 ,  H04H20/00 ,  H04L29/06

Abstract: A method of transmitting broadcast signals, includes link processing input packets to generate link layer packets, wherein a link layer packet of the link layer packets includes a header and a payload, wherein the payload of the link layer packet includes a segment of an input packet or concatenated input packets, wherein the header of the link layer packet includes a first field for identifying whether the payload includes the segment or the concatenated input packets, and wherein the header further includes a second field for identifying a number of the concatenated input packets and third fields that are inserted to the header in the same order as the concatenated input packets present in the payload in response to the first field representing that the payload includes the concatenated input packets; physical processing the link layer packets into the broadcast signals; and transmitting the broadcast signals.