BROADCAST SIGNAL TRANSMISSION DEVICE, BROADCAST SIGNAL RECEPTION DEVICE, BROADCAST SIGNAL TRANSMISSION METHOD, AND BROADCAST SIGNAL RECEPTION METHOD

    公开(公告)号:US20210281512A1

    公开(公告)日:2021-09-09

    申请号:US17314886

    申请日:2021-05-07

    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.

    OVERLAY PROCESSING METHOD IN 360 VIDEO SYSTEM, AND DEVICE THEREOF

    公开(公告)号:US20210014469A1

    公开(公告)日:2021-01-14

    申请号:US17038880

    申请日:2020-09-30

    Abstract: A 360 image data processing method performed by a 360 video receiving device, according to the present invention, comprises the steps of: receiving 360 image data; acquiring information and metadata on an encoded picture from the 360 image data; decoding the picture on the basis of the information on the encoded picture; and rendering the decoded picture and an overlay on the basis of the metadata, wherein the metadata includes overlay-related metadata, the overlay is rendered on the basis of the overlay-related metadata, and the overlay-related metadata includes information on a region of the overlay.

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