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    Method for providing a video, transmitting device, and receiving device
    42.
    发明授权
    Method for providing a video, transmitting device, and receiving device 有权
    用于提供视频，发送设备和接收设备的方法

    公开(公告)号：US09264765B2

    公开(公告)日：2016-02-16

    申请号：US14349364

    申请日：2013-08-06

    Applicant: Panasonic Intellectual Property Corporation of America

    Inventor： Taiji Sasaki ,  Hiroshi Yahata

    IPC: G06F3/00 ,  G06F13/00 ,  H04N5/445 ,  H04N21/4402 ,  H04N21/61 ,  H04N21/218 ,  H04N21/2343 ,  H04N21/258 ,  H04N5/232

    CPC classification number: H04N21/4402 ,  H04N5/23238 ,  H04N21/21805 ,  H04N21/2343 ,  H04N21/25891 ,  H04N21/6175

    Abstract: A method for providing a video includes: (a) acquiring a first main video captured of a first capture space, and a second main video captured of a second capture space including a space other than the first capture space; (b) generating a wide-angle video by combining the plurality of main videos acquired in step (a); (c) acquiring user preference information via a network; (d) calculating a region to be cropped which is a region of the wide-angle video and smaller than the area captured in the wide-angle video, based on the user preference information acquired in step (c); (e) cropping the wide-angle video into the cropping region; and (f) providing, to a user, a cropped video generated by cropping the wide-angle video.

    Abstract translation: 一种用于提供视频的方法包括：（a）获取捕获的第一捕获空间的第一主视频和捕获的第二捕获空间的第二主视频，所述第二捕获空间包括除了所述第一捕获空间之外的空间; （b）通过组合在步骤（a）中获取的多个主要视频来产生广角视频; （c）通过网络获取用户偏好信息; （d）基于在步骤（c）中获取的用户偏好信息，计算作为广角视频的区域并且小于广角视频中捕获的区域的要裁剪的区域; （e）将广角视频切割到作物区域; 以及（f）向用户提供通过裁剪广角视频而产生的裁剪视频。

    Recording medium, playback method, and playback device
    44.
    发明授权
    Recording medium, playback method, and playback device 有权

    公开(公告)号：US11386930B2

    公开(公告)日：2022-07-12

    申请号：US16859646

    申请日：2020-04-27

    Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA

    Inventor： Hiroshi Yahata ,  Tadamasa Toma

    IPC: G11B20/10 ,  G11B27/32 ,  H04N5/85 ,  G11B27/10 ,  H04N9/804 ,  H04N9/82 ,  H04N5/93 ,  H04N9/87

    Abstract: A recording medium includes a video stream of a standard-luminance range and a video stream of high-luminance range, which are used selectively in accordance with a playback environment. The recording medium also includes a subtitle stream of the standard-luminance range and a subtitle stream of the high-luminance range, which are used selectively in accordance with the playback environment. A playlist file includes a management region where playback control information relating to a main stream is stored, and includes an extended region. The management region stores first playback control information specifying playing of the video stream of the high-luminance range and the subtitle stream of the high-luminance range in combination. The extended region stores second playback control information specifying playing of the video stream of the standard-luminance range and the subtitle stream of the standard-luminance range in combination.

    Recording medium, playback method, and playback device
    45.
    发明授权
    Recording medium, playback method, and playback device 有权

    公开(公告)号：US11138999B2

    公开(公告)日：2021-10-05

    申请号：US16986980

    申请日：2020-08-06

    Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA

    Inventor： Hiroshi Yahata ,  Kazuhiro Mochinaga

    IPC: G11B27/32 ,  G11B27/10 ,  G11B20/10 ,  H04N5/85 ,  H04N9/804 ,  H04N9/82 ,  H04N9/87

    Abstract: A playback method of reading out and playing streams from a recording medium is provided in which are recorded a stream file, a playlist file, first and second combination information, elementary streams that can be played at the same time with the first luminance video, and elementary streams that can be played at the same time with the second luminance video. The playback method includes in a case of playing the first luminance video, reading out any one of the elementary streams listed in the first combination information of the playlist file, and playing at the same time with the first luminance video, and in a case of playing the second luminance video, reading out any one of the elementary streams listed in the second combination information of the playlist file, and playing at the same time with the second luminance video.

    Recording medium, playback device, and playback method
    46.
    发明授权
    Recording medium, playback device, and playback method 有权

    公开(公告)号：US11133035B2

    公开(公告)日：2021-09-28

    申请号：US16920026

    申请日：2020-07-02

    Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA

    Inventor： Hiroshi Yahata ,  Tadamasa Toma

    IPC: H04N5/92 ,  H04N5/84 ,  G11B27/28 ,  G11B20/10 ,  G11B27/10 ,  G11B27/32 ,  H04N5/85 ,  H04N7/015 ,  H04N9/804 ,  H04N9/82 ,  H04N9/00 ,  G11B27/00

    Abstract: A playback device reads out and plays contents from a recording medium. The playback device includes a first decoder that decodes a base video stream and an enhanced video stream, a second decoder that decodes encoded graphics data, and a first superimposer that superimposes the enhanced video information and stores enhanced high-luminance video information in a first video plain. The playback device also includes a first processor that converts color of a number of levels into a converted number of levels, a second superimposer that superimposes the decoded graphic data on the enhanced high-luminance video information, a second video plain storing the video information, and a second processor that converts color of a number of levels into a converted number of levels. The playback device further includes a third superimposer that superimposes the decoded graphic data on the high-luminance video information, and an outputter that outputs the superimposed result.

    Method of playing system stream files with different recording formats
    49.
    发明授权
    Method of playing system stream files with different recording formats 有权

    公开(公告)号：US10566025B2

    公开(公告)日：2020-02-18

    申请号：US16240283

    申请日：2019-01-04

    Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA

    Inventor： Hiroshi Yahata

    IPC: G11B20/00 ,  H04N5/85 ,  H04N5/913 ,  H04N21/432 ,  H04N21/4405 ,  H04N21/845

    Abstract: A playback method using a playback device that plays a system stream file is provided. The playback device includes an individual decryption key that is owned individually by each of playback devices, and a common decryption key that is owned in common by a plurality of playback devices. The system stream file includes a first system stream file configured to be played back using both the individual decryption key and the common decryption key, and a second system stream file configured to be played back using only the common decryption key among the individual decryption key and the common decryption key. The method includes identifying whether the system stream file to be playback is the first system stream file or the second system stream file, in accordance with a file extension of the system stream file, and selecting a decryption process of the system stream file.

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