公开(公告)号：US20200213639A1

公开(公告)日：2020-07-02

申请号：US16816485

申请日：2020-03-12

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Jongyeul SUH ,  Soojin HWANG

IPC: H04N21/2362 ,  H04N21/854 ,  H04N21/845 ,  H04N21/84 ,  H04N21/488 ,  H04N21/41

Abstract: A method of transmitting at least one signal over a broadcast network, a broadband network or a hybrid network in a digital transmitter, the method includes generating service layer signaling (SLS) information for at least one service, the at least one service consisting of at least one continuous video component, at least one continuous audio component and at least one closed caption component; generating a service list table (SLT) for providing bootstrap information that allows a receiver to discover the SLS information for the at least one service; and transmitting the at least one signal. Further, the bootstrap information includes a destination IP address and a destination port of a MPEG media transport protocol (MMTP) session carrying MMTP-specific SLS, a MMTP message is delivered by the MMTP session signaled in the SLT, the MMTP message includes a caption asset descriptor, and the caption asset descriptor includes profile information for representing image captions or text captions.

公开(公告)号：US20200162833A1

公开(公告)日：2020-05-21

申请号：US16626692

申请日：2017-11-14

Applicant: LG ELECTRONICS INC.

Inventor： Tung Chin LEE ,  Sejin OH

IPC: H04S7/00 ,  H04R5/04 ,  G10L19/008 ,  H04R5/02 ,  H04S1/00

Abstract: The present invention pertains to an audio playback method and an audio playback apparatus in a 6DoF environment. The audio playback method of the present invention is characterised by comprising: a decoding step of decoding a received audio signal, and outputting the decoded audio signal and metadata; a modelling step of receiving input of position information of a user, checking whether the position of the user has changed from a previous position, and if the position of the user has changed, modelling binaural rendering data so as to correspond to the changed position of the user; and a rendering step of binaural-rendering the decoded audio signal using the modelled rendering data, and outputting the same as a two-channel audio signal. The audio playback method and apparatus in a 6DoF environment according to an embodiment of the present invention uses position change information of a user, changes the volume and depth of a sound source together according to the position of a user, and can thereby facilitate playback of a stereoscopic and realistic audio signal.

公开(公告)号：US20200153885A1

公开(公告)日：2020-05-14

申请号：US16588569

申请日：2019-09-30

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon LEE ,  Sejin OH

IPC: H04L29/06 ,  G06T9/00 ,  G06T19/00 ,  G06T15/00

Abstract: In accordance with embodiments, a method for transmitting point cloud data includes generating a geometry image for a location of point cloud data; generating a texture image for attribute of the point cloud data; generating an occupancy map for a patch of the point cloud data; and/or multiplexing the geometry image, the texture image and the occupancy map. In accordance with embodiments, a method for receiving point cloud data includes demultiplexing multiplexing a geometry image for a location of point cloud data, a texture image for attribute of the point cloud data and an occupancy map for a patch of the point cloud data; decompressing the geometry image; decompressing the texture image; and/or decompressing the occupancy map.

公开(公告)号：US20190387212A1

公开(公告)日：2019-12-19

申请号：US16489984

申请日：2018-05-25

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH

IPC: H04N13/178 ,  H04N13/161 ,  H04N13/194 ,  G06T3/00 ,  G06T7/80 ,  G06T5/00

Abstract: A 360 video data processing method performed by a 360 video transmission device, according to the present invention comprises the steps of: acquiring 360-degree video data captured by at least one camera; deriving a two-dimensional-based picture including an omnidirectional image by processing the 360-degree video data; generating metadata for the 360-degree video data; encoding the picture; and processing storage or transmission for the encoded picture and the metadata, wherein a projection orientation rotation is applied to a projected picture on the basis of at least one of a yaw angle, a pitch angle and a roll angle, and the metadata includes projection orientation property information related to the projection orientation rotation.

公开(公告)号：US20190356933A1

公开(公告)日：2019-11-21

申请号：US16530255

申请日：2019-08-02

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/2362 ,  H04N21/6332 ,  H04N21/2383 ,  H04H60/73 ,  H04H60/07 ,  H04N21/858 ,  H04L29/12 ,  H04L29/06 ,  H04N21/236 ,  H04N21/2343 ,  H04N21/234 ,  H04N21/643

Abstract: A method of processing data in a receiving apparatus is discussed. The method includes receiving a broadcast signal including low level signaling data; parsing the low level signaling data included in the broadcast signal; obtaining the bootstrap information from the parsed low level signaling data; and discovering the service layer signaling information based on the obtained bootstrap information included in the parsed low level signaling data.

公开(公告)号：US20190313074A1

公开(公告)日：2019-10-10

申请号：US16374302

申请日：2019-04-03

Applicant: LG Electronics Inc.

Inventor： Hyunmook OH ,  Sejin OH

IPC: H04N13/117 ,  H04N13/156 ,  H04N13/279 ,  H04N13/167

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 viewing positions in viewing space; deriving metadata and information on an encoded picture for a specific viewing position; decoding the encoded picture based on the information on the encoded picture; and rendering the decoded picture based on the metadata, wherein the metadata includes viewing space information for the specific viewing position, and wherein the viewing space information includes information indicating a shape type of the viewing space.

公开(公告)号：US20190281330A1

公开(公告)日：2019-09-12

申请号：US16426817

申请日：2019-05-30

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Jongyeul SUH ,  Soojin HWANG

IPC: H04N21/2362 ,  H04N21/845 ,  H04N21/488 ,  H04N21/84 ,  H04N21/41 ,  H04N21/854

Abstract: A method of transmitting at least one broadcast signal in a digital transmitter is discussed. The method includes generating service layer signaling (SLS) information for at least one broadcast service, the at least one broadcast service consisting of at least one continuous video component, at least one continuous audio component and at least one closed caption component; generating a service list table (SLT) for providing bootstrap information that allows a receiver to discover the SLS information for the at least one broadcast service. Further, the bootstrap information includes a destination IP address and a destination port of a MPEG media transport protocol (MMTP) session carrying MMTP-specific SLS; and transmitting the at least one broadcast signal.

公开(公告)号：US20190268640A1

公开(公告)日：2019-08-29

申请号：US16411609

申请日：2019-05-14

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/236 ,  H04W4/06 ,  H04L12/18 ,  H04N21/2385 ,  H04N21/2383 ,  H04N21/643

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, generating input packets including broadcast content data; generating a link layer packet by using the generated input packets, wherein the link layer packet includes a link layer header and a link layer payload including the generated input packets, wherein the link layer header includes a count field indicating number of the input packets included in the link layer payload, wherein the link layer header further includes a length part, wherein the length part includes a plurality of length fields as many as that the count field indicates, wherein each of the length fields indicates length of the each input packets included in the link layer payload; generating a broadcast signal including the generated link layer packet; and transmitting the broadcast signal.

公开(公告)号：US20190261047A1

公开(公告)日：2019-08-22

申请号：US16405366

申请日：2019-05-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/434 ,  H04L29/06 ,  H04N21/236 ,  H04N21/2385 ,  H04N21/61 ,  H04L12/18 ,  G11B27/10 ,  H04N21/234 ,  H04N21/643 ,  H04N21/845 ,  H04N21/854

Abstract: An apparatus for receiving a broadcast signal, includes a receiver configured to receive the broadcast signal, a parser configured to parse signaling information for a service scan included in the broadcast signal, a link layer processor configured to process a link layer packet included in the broadcast signal, and an audio/video (A/V) processor configured to present broadcast contents based on the signaling information for the service scan and the link layer packet.

公开(公告)号：US20190199758A1

公开(公告)日：2019-06-27

申请号：US16196391

申请日：2018-11-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04N21/845 ,  H04L29/08 ,  H04N21/482 ,  H04N21/462 ,  H04N21/434 ,  H04N21/2362 ,  H04L29/12

CPC classification number: H04L65/1066 ,  H04L61/2007 ,  H04L65/4076 ,  H04L65/608 ,  H04L67/02 ,  H04L67/14 ,  H04L67/30 ,  H04L69/22 ,  H04L69/326 ,  H04N21/234 ,  H04N21/235 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/4345 ,  H04N21/4622 ,  H04N21/4825 ,  H04N21/64322 ,  H04N21/8456

Abstract: An apparatus for transmitting a broadcast signal, includes a processor to generate a content component for a broadcast service, service signaling information including object flow information for an object flow which carries the content component and signaling information for listing broadcast services, the object flow information including format information representing a payload format of an object, and the service signaling information being carried by transport packets; and a transmitter to transmit the broadcast signal including the signaling information, the service signaling information and the content component.