公开(公告)号：US20210185372A1

公开(公告)日：2021-06-17

申请号：US17162107

申请日：2021-01-29

Applicant: LG Electronics Inc.

Inventor： Sejin OH ,  Soojin Hwang ,  Jongyeul Suh

IPC: H04N21/2343 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/643 ,  H04N21/845

Abstract: The present invention presents a method for transmitting a broadcast signal. The method for transmitting a broadcast signal, according to the present invention, presents a system capable of supporting a next-generation broadcast service in an environment supporting next-generation hybrid broadcasting using a terrestrial broadcast network and an Internet network. In addition, presented is an efficient signaling method capable of covering both the terrestrial broadcast network and the Internet network in the environment supporting the next-generation hybrid broadcasting.

公开(公告)号：US20210176446A1

公开(公告)日：2021-06-10

申请号：US16761356

申请日：2019-05-24

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook OH ,  Sejin OH

IPC: H04N13/106 ,  H04N13/178 ,  H04N13/161 ,  H04N13/111 ,  H04N13/156

Abstract: In a method for processing 360-degree video data, performed by a 360-degree video transmission device, according to one embodiment of the present invention, the method comprises the steps of: acquiring 360-degree video data captured by at least one image acquisition device; processing the 360-degree video data so as to derive a two-dimensional picture including an omnidirectional image; generating metadata about the 360-degree video data; encoding information about the two-dimensional picture; and performing encapsulation on the basis of the information about the two-dimensional picture and the metadata, wherein the metadata includes non-contiguous flag information indicating whether one or more viewpoints included in a viewpoint group in the 360-degree video data are non-contiguous with each other.

公开(公告)号：US20210050028A1

公开(公告)日：2021-02-18

申请号：US16963132

申请日：2019-01-25

Applicant: LG ELECTRONICS INC.

Inventor： Tungchin LEE ,  Sejin OH

IPC: G10L19/16 ,  H04S7/00 ,  H04S5/00

Abstract: A method for transmitting audio data performed by an audio data transmission apparatus in accordance with the present invention comprises the steps of: generating playback environment information of three-dimensional audio content; encoding a three-dimensional audio signal of the three-dimensional audio content; and transmitting, to an audio data reception apparatus, the encoded three-dimensional audio signal of the three-dimensional audio content and the generated playback environment information, wherein the playback environment information includes environment information of a room in which the three-dimensional audio content is played.

公开(公告)号：US20210037277A1

公开(公告)日：2021-02-04

申请号：US17076260

申请日：2020-10-21

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Kyoungsoo MOON

IPC: H04N21/2665 ,  H04N21/426 ,  H04N21/434 ,  H04N21/438 ,  H04N21/462 ,  H04N21/643 ,  H04N21/854 ,  H04N21/236 ,  H04N21/61

Abstract: The present invention relates to a device for receiving a hybrid broadcast service and a method for transmitting the same. The device for receiving a hybrid broadcast service, according to one embodiment of the present invention, comprises: a first reception unit for receiving a first broadcast signal transmitted through a first network; a second reception unit for receiving a second broadcast signal transmitted through a second network, wherein the broadcast signal includes a service information table; a signaling information processing unit for extracting the service information table from the broadcast signal, wherein the service information table includes a component identifier descriptor for signaling information for identifying each of a plurality of components constituting one broadcast service, the component identifier descriptor including identification information; and an audio/video processing unit for acquiring the broadcast service including the plurality of components by using the component identification information, and decoding and reproducing the acquired broadcast service.

公开(公告)号：US20200322587A1

公开(公告)日：2020-10-08

申请号：US16958033

申请日：2019-04-03

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook OH ,  Sejin OH

IPC: H04N13/117 ,  H04N13/194 ,  H04N13/161 ,  H04N13/178

Abstract: A 360-degree video data processing method performed by a 360-degree video reception apparatus, according to the present invention, comprises the steps of: receiving 360-degree video data for a plurality of views; deriving metadata and information on a packed picture; decoding the packed picture based on the information on the packed picture; deriving a specific packed region for a target view from the packed picture based on the metadata; deriving a projected picture of the target view based on the specific packed region and the metadata; and rendering the projected picture based on the metadata, wherein the metadata includes multiview region-wise packing information, and wherein the multiview region-wise packing information includes information about a packed region in the packed picture and information about the target view.

公开(公告)号：US20200322463A1

公开(公告)日：2020-10-08

申请号：US16901304

申请日：2020-06-15

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/6336 ,  H04H20/33 ,  H04L29/08 ,  H04N21/434

Abstract: A method for transmitting a broadcast signal includes generating a packet carrying a broadcast service and service signaling information, and a packet carrying fast information for supporting rapid service scans and service acquisition, the fast information including identification information for identifying the broadcast service, service category information representing a category of the broadcast service and hidden information representing whether or not the broadcast service is related to a test service; generating a robust header compression (RoHC) packet by compressing a header of each packet, and signaling information including context information generated from the compressing the header of each packet; and transmitting a signal frame including the RoHC packet and the signaling information.

公开(公告)号：US20200274955A1

公开(公告)日：2020-08-27

申请号：US16807417

申请日：2020-03-03

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/08 ,  H04H60/73 ,  H04L29/06

Abstract: A method for transmitting a broadcast signal in a broadcast transmitter includes generating a link layer packet including a header and a payload; and transmitting the broadcast signal carrying the link layer packet. Further, the header includes a fixed header having a fixed length and the fixed header includes packet type information of input data before encapsulation into the link layer packet, further the input data relates to an IP packet or MPEG-2 transport stream.

公开(公告)号：US20200244945A1

公开(公告)日：2020-07-30

申请号：US16846014

申请日：2020-04-10

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook OH ,  Sejin OH

IPC: H04N13/194 ,  H04N5/232 ,  H04N13/161 ,  H04N13/122 ,  H04N13/178

Abstract: According to one aspect of the present invention, the present invention may relate to a method for transmitting a 360 video. The method for transmitting a 360 video may include processing a plurality of circular images captured by a camera having at least one fisheye lens; encoding a picture to which the circular images are mapped; generating signaling information about the 360 video data; encapsulating the encoded picture and the signaling information into a file, and transmitting the file.

公开(公告)号：US20200234499A1

公开(公告)日：2020-07-23

申请号：US16639072

申请日：2018-11-06

Applicant: LG ELECTRONICS INC.

Inventor： Soojin HWANG ,  Hyunmook OH ,  Sejin OH

IPC: G06T19/00 ,  H04N21/81 ,  H04N21/2343 ,  H04N21/233

Abstract: A media data processing method performed by a media processing apparatus, the media data processing method including: receiving information on reproduction environment of a media reproducing apparatus from the media reproducing apparatus, generating media signal by processing a media bitstream based on the information on reproduction environment, extracting characteristic information of the generated media signal and transmitting the generated media signal and the extracted characteristic information to the media reproducing apparatus, wherein the information on reproduction environment includes at least one of VR (Virtual Reality) reproduction environment information and AR (Augmented Reality) reproduction environment information.

公开(公告)号：US20200213683A1

公开(公告)日：2020-07-02

申请号：US16731616

申请日：2019-12-31

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Sejin OH ,  Kyoungsoo MOON

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

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.