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公开(公告)号：US10547893B2
公开(公告)日：2020-01-28
申请号：US15686321
申请日：2017-08-25
Inventor： Noritaka Iguchi , Tadamasa Toma
IPC: H04N21/43 , H04N21/242 , H04N21/633 , H04N21/83
Abstract: A receiving method of receiving a first data unit in which data making up an encoded stream is stored and the first data unit stores a plurality of second data units. The receiving method includes: receiving the first data unit, first time information indicating a presentation time of the first data unit, second time information indicating, together with the first time information, a presentation time or a decoding time of each of the plurality of second data units, and identification information; calculating the presentation time or the decoding time of each of the plurality of second data units using the first time information and the second time information; and correcting the presentation time or the decoding time of each of the plurality of second data units based on the identification information.
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公开(公告)号：US10484734B2
公开(公告)日：2019-11-19
申请号：US14968947
申请日：2015-12-15
Inventor： Tadamasa Toma , Noritaka Iguchi , Takahiro Nishi , Hisaya Katou
IPC: H04N21/23 , H04N21/43 , H04N21/233 , H04N21/2368 , H04N21/845 , H04N21/854 , H04N21/262 , H04N21/8547
Abstract: A transmitting method according to one aspect of the present disclosure includes transmitting video control information for reproduction of video data having an individually reproducible unit, transmitting the video data, determining a transmission order of audio control information for reproduction of audio data in a reproduction interval corresponding to a reproduction interval of the video data in such a way that the audio control information is transmitted after the video control information, and transmitting the audio control information according to the determined transmission order, and transmitting the audio data. Thus, in the receiving apparatus, a delay time from reception of data to reproduction of video and audio is shortened.
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Patent Agency Ranking
公开(公告)号：US10462407B2
公开(公告)日：2019-10-29
申请号：US15728550
申请日：2017-10-10
Inventor： Masayuki Kozuka , Takashi Higashida , Yoshihiro Mori , Haruyasu Hirakawa , Tadamasa Toma
IPC: H04N5/57 , H04N11/24 , H04N5/20 , H04N9/64 , H04N21/431 , H04N21/435
Abstract: Provided is a display method of displaying, on a display device, video of video data where luminance of video is defined by a first EOTF corresponding to HDR. The method includes: acquiring the video data; performing first conversion where the luminance of the video is converted to a luminance corresponding to a dynamic range of a third EOTF, where, with regard to a second EOTF that is part of the first EOTF and is the part of a luminance range where the peak luminance indicated by the peak luminance information included in the acquired video data is maximum luminance, the dynamic range of luminance of the second EOTF is reduced with maximum luminance of the second EOTF matching displayable luminance of the display device, while maintaining the relative relationship of luminance of the second EOTF; and displaying the video on the display device using the result of the first conversion.
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公开(公告)号：US10320505B2
公开(公告)日：2019-06-11
申请号：US15157496
申请日：2016-05-18
Inventor： Noritaka Iguchi , Tadamasa Toma , Hisaya Katou
IPC: H04J3/06 , H04N21/2381 , H04N21/242 , H04N21/434 , H04N21/643 , H04N21/854 , H04L12/741 , H04L29/06
Abstract: A transmission method includes generating one or more frames for content transfer using IP packets, and transmitting the one or more generated frames by broadcast. Each of the one or more frames contains a plurality of second transfer units, each of the plurality of second transfer units contains one or more first transfer units, each of the one or more first transfer units contains at least one of the IP packets, an object IP packet of the IP packets contains first reference clock information indicating time for reproduction of the content in data structure different from MMT packet data structure, the object IP packet being stored in a first transfer unit positioned at a head in the one or more frames, the one or more frames contains control information storing second reference clock information indicating time for reproduction of the content, and header compression processing on the object IP packet is omitted.
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公开(公告)号：US10255950B2
公开(公告)日：2019-04-09
申请号：US15471041
申请日：2017-03-28
Inventor： Hiroshi Yahata , Tadamasa Toma
IPC: G11B27/10 , G11B20/10 , G11B27/32 , G11B20/12 , G11B20/00 , H04N9/87 , H04N5/85 , H04N9/804 , H04N9/82
Abstract: Recorded in a recording medium is a video stream, map information, and bitrate information of the video stream. The map information includes size information indicating data size of a section where a picture is recorded in the video stream, based on a predetermined stipulated data size. The stipulated data size differs in accordance with the bitrate information.
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公开(公告)号：US10026440B2
公开(公告)日：2018-07-17
申请号：US15698818
申请日：2017-09-08
Inventor： Hiroshi Yahata , Tadamasa Toma
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.
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公开(公告)号：US09596499B2
公开(公告)日：2017-03-14
申请号：US14573141
申请日：2014-12-17
Inventor： Masayuki Kozuka , Masaya Yamamoto , Hiroshi Yahata , Shingo Matsumoto , Kaoru Murase , Tadamasa Toma , Tomoki Ogawa
IPC: H04N5/76 , H04N5/93 , H04N21/41 , H04N5/765 , H04N21/436 , H04N21/433 , H04N21/4335 , H04W8/20 , H04N9/80 , G11B27/00
CPC classification number: H04N21/4135 , H04N5/7605 , H04N5/765 , H04N21/4126 , H04N21/4334 , H04N21/4335 , H04N21/43622 , H04W8/205
Abstract: A content recording method for a recording apparatus includes the following steps: an automatic recording control step of automatically recording a first plurality of pieces of content in a channel automatic recording area, each of the first plurality of pieces of content being broadcast through a channel in a time slot; a deletion step of instructing a mobile apparatus to delete a first piece of content that has previously been copied or moved from the channel automatic recording area to the mobile apparatus when the recording apparatus detects that the recording apparatus has become able to communicate with the mobile apparatus; and a content transfer step of copying or moving a second piece of content included in the first plurality of pieces of content to the mobile apparatus when the recording apparatus detects that the recording apparatus has become able to communicate with the mobile apparatus.
Abstract translation: 一种用于记录设备的内容记录方法包括以下步骤：自动记录控制步骤，在频道自动记录区中自动记录第一多条内容，第一多条内容中的每一条通过频道中的频道进行广播 一个时隙 当记录装置检测到记录装置能够与移动装置进行通信时，指示移动装置删除先前已经从频道自动记录区域复制或移动到移动装置的第一内容的删除步骤 ; 以及当记录装置检测到记录装置已经能够与移动装置通信时，将包含在第一多个内容中的第二内容复制或移动到移动装置的内容传送步骤。
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