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公开(公告)号：EP3713247A1
公开(公告)日：2020-09-23
申请号：EP20174192.3
申请日：2015-06-15
摘要： A data output apparatus according to one aspect of the present disclosure includes: a video decoder that decodes a video stream to generate a first video signal with a first luminance range; an external metadata acquisition unit that acquires first metadata regarding a luminance range of the first video signal; an HDR metadata interpreter that interprets the first metadata to acquire characteristic data indicating the luminance range of the first video signal; an HDR control information generator that converts the characteristic data into HDR control information according to a predetermined transmission protocol; and an HDMI output unit that outputs the HDR control information in accordance with the predetermined transmission protocol.
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公开(公告)号：EP3694216A1
公开(公告)日：2020-08-12
申请号：EP18852740.2
申请日：2018-02-26
发明人： YAMAMOTO, Masaya , KOZUKA, Masayuki , KASHIWAGI, Yoshiichiro , NISHIO, Toshiroh , KOUNO, Kazuhiko , YAHATA, Hiroshi , HIROTA, Takeshi , MORI, Yoshihiro
IPC分类号： H04N21/431 , H04N5/20 , H04N5/66
摘要： A video display system (100B) includes: a tone mapping processor (134); a display (135); and a metadata processor (122) that generates first dynamic metadata that indicates a maximum luminance that is constant over a plurality of time intervals by using static metadata. The video display system (100B) switches between: a first operation of (i) generating the first dynamic metadata by using the static metadata, performed by the metadata processor (122) and (ii) performing the tone mapping process by using the first dynamic metadata, performed by the tone mapping processor (134); and a second operation of performing the tone mapping process by using second dynamic metadata in which the maximum luminance varies over the plurality of time intervals, performed by the tone mapping processor (134).
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公开(公告)号：EP3157251B1
公开(公告)日：2019-08-21
申请号：EP15809475.5
申请日：2015-05-29
IPC分类号： H04N21/4363 , H04N21/4402 , H04N21/4408 , H04N21/432 , H04N21/835 , H04N5/92 , H04N7/167 , H04N7/015
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4.发明公开AV SIGNAL TRANSCEIVING SYSTEM, SINK DEVICE, METHOD FOR TRANSCEIVING AV SIGNAL, AND METHOD FOR RECEIVING AV SIGNAL 审中-公开AV信号收发系统，接收装置，收发AV信号的方法以及接收AV信号的方法
公开(公告)号：EP3217677A1
公开(公告)日：2017-09-13
申请号：EP15857811.2
申请日：2015-08-18
IPC分类号： H04N21/436
CPC分类号： H04N21/40 , G11B27/031 , H04N5/44 , H04N5/4401 , H04N5/775 , H04N7/04 , H04N21/436 , H04N21/43635
摘要： An AV signal transmission and receiving system (10) capable of appropriately receiving an AV signal includes a source apparatus (200) and a sink apparatus (100) connected to the source apparatus (200) via an HDMI (registered trademark) cable (300). The sink apparatus (100) includes: an AV signal receiving unit (101) which receives an AV signal via the HDMI (registered trademark) cable (300); a memory (140) which holds the EDID; a rewriting unit (130) which rewrites the EDID held in the memory (140); an HPD control unit (150) which controls output of an HPD signal; and a determining unit (120) which: determines whether the AV signal which has been received is an HDMI (registered trademark) signal conforming to an HDMI (registered trademark) standard or a digital visual interface (DVI) signal; and when the determining unit determines that the AV signal is a DVI signal, instructs the rewriting unit (130) to rewrite the EDID held in the memory (140), and instructs the HPD control unit (150) to output the HPD signal indicating that reading of the EDID which has been rewritten is possible.
摘要翻译： 能够适当地接收AV信号的AV信号发送和接收系统（10）包括经由HDMI（注册商标）电缆（300）连接到源设备（200）的源设备（200）和信宿设备（100） 。 信宿设备（100）包括：AV信号接收单元（101），其经由HDMI（注册商标）电缆（300）接收AV信号; 保存EDID的存储器（140） 重写单元（130），其重写保存在存储器（140）中的EDID; HPD控制单元（150），其控制HPD信号的输出; 和确定单元（120）：确定已经接收的AV信号是否是符合HDMI（注册商标）标准或数字视频接口（DVI）信号的HDMI（注册商标）信号; 并且当确定单元确定AV信号是DVI信号时，指示重写单元（130）重写保存在存储器（140）中的EDID，并且指示HPD控制单元（150）输出指示该信号的HPD信号 读取已被重写的EDID是可能的。
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公开(公告)号：EP3174280A1
公开(公告)日：2017-05-31
申请号：EP15812305.9
申请日：2015-06-15
CPC分类号： H04N5/57 , G06F3/14 , G09G2360/16 , G09G2370/022 , G09G2370/04 , H04N5/20
摘要： In a converting method for converting luminance of an input video in order to display the video on a display device, the luminance of the video is a first luminance value in a first luminance range where a maximum luminance value is defined as a first maximum luminance value that exceeds 100 nit. The method includes acquiring a first luminance signal indicating a first luminance value of the video, performing luminance conversion that executes one of a plurality of luminance converting processes for converting the first luminance value indicated by the acquired first luminance signal into a second luminance value in a second luminance range where a maximum luminance value is defined as a second maximum luminance value that is smaller than the first maximum luminance value and larger than 100 nit, switching the luminance converting process to be executed in response to a reference luminance value corresponding to reference reflectance included in first meta data of the acquired first luminance signal in the luminance conversion, and converting the first luminance value into the second luminance value through the switched luminance converting process.
摘要翻译： 在用于转换输入视频的亮度以便将视频显示在显示装置上的转换方法中，视频的亮度是第一亮度范围中的第一亮度值，其中最大亮度值被定义为第一最大亮度值 超过100尼特。 该方法包括：获取指示视频的第一亮度值的第一亮度信号;执行亮度转换，该亮度转换执行多个亮度转换处理中的一个，以将由所获取的第一亮度信号指示的第一亮度值转换成第一亮度值 将最大亮度值定义为小于第一最大亮度值且大于100nit的第二最大亮度值的第二亮度范围;响应于与参考反射率相对应的参考亮度值来切换要执行的亮度转换处理 包括在亮度转换中获取的第一亮度信号的第一元数据中，并且通过切换后的亮度转换处理将第一亮度值转换为第二亮度值。
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公开(公告)号：EP3160136A1
公开(公告)日：2017-04-26
申请号：EP15810548.6
申请日：2015-05-29
摘要： A playback method according to one aspect of the present disclosure is performed by a Blu-ray device connected to a display device. The playback method includes obtaining, from a recording medium, output control information of content recorded on the recording medium; obtaining, from the recording medium, a video signal of the content recorded on the recording medium; and (a) outputting the obtained video signal to the display device without converting image quality of the video signal, when the obtained output control information does not restrict output of content using a first copyright protection technology, and (b) converting the image quality of the obtained video signal and outputting the video signal to the display device, when the obtained output control information restricts output of content using the first copyright protection technology and output using the first copyright protection technology is performed according to a type of the display device.
摘要翻译： 根据本公开的一个方面的回放方法由连接到显示设备的蓝光设备执行。 该重放方法包括从记录介质获得记录在记录介质上的内容的输出控制信息; 从记录介质获得记录在记录介质上的内容的视频信号; 和（a）当所获得的输出控制信息不限制使用第一版权保护技术的内容输出时，将所获得的视频信号输出到显示装置而不转换视频信号的图像质量，以及（b）将图像质量 当获得的输出控制信息限制使用第一版权保护技术输出内容并且使用第一版权保护技术输出时，根据显示装置的类型来执行所获得的视频信号并将视频信号输出到显示装置。
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公开(公告)号：EP3157242A1
公开(公告)日：2017-04-19
申请号：EP15806125.9
申请日：2015-05-25
CPC分类号： H04N5/57 , G06F3/14 , G09G5/10 , G09G2320/0276 , G09G2370/04 , H04N5/20 , H04N5/76 , H04N7/01 , H04N7/0125 , H04N7/015 , H04N9/7925 , H04N9/87
摘要： A display system includes a conversion apparatus that converts luminance of a video and a display apparatus that is connected to the conversion apparatus and displays the video. The luminance of the video includes a luminance value in a first luminance range. The conversion apparatus includes: a first acquisition unit, a first luminance converter, a second luminance converter, a quantization converter, and an output unit that outputs a third luminance signal to the display apparatus. The display apparatus includes: a second acquisition unit that acquires the third luminance signal and setting information indicating display settings recommended to the display apparatus in display of the video; a display setting unit that sets the display apparatus by using the acquired setting information; a third luminance converter that converts a third code value indicated by the acquired third luminance signal into a second luminance value compatible with a second luminance range by using the set setting information; and a display controller that displays the video on the display apparatus based on the converted second luminance value.
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公开(公告)号：EP3154058A1
公开(公告)日：2017-04-12
申请号：EP16200749.6
申请日：2005-03-01
IPC分类号： G11B20/00
CPC分类号： G11B20/0021 , G11B20/00086 , G11B20/00181 , G11B20/00195 , G11B20/00224 , G11B20/00253 , G11B20/00347 , G11B20/00492
摘要： To provide a content playback device capable of protecting content according to DRM, when decrypting encrypted content recorded on a recording medium and playing the decrypted content. If key generation information is "00", a key control unit 104 concatenates a decrypted media key and content information in this order, and applies a one-way function to the concatenation result to generate a content key. If the key generation information is "10", the key control unit 104 sets a rights key as the content key. If the key generation information is "01", the key control unit 104 concatenates the decrypted media key and the rights key in this order, and applies a one-way function to the concatenation result to generate the content key.
摘要翻译： 为了提供能够根据DRM保护内容的内容回放设备，当解密记录在记录介质上的加密内容并播放解密内容时。 如果密钥生成信息是“00”，则密钥控制单元104依次连接解密的媒体密钥和内容信息，并将单向函数应用于级联结果以生成内容密钥。 如果密钥生成信息是“10”，则密钥控制单元104设置权限密钥作为内容密钥。 如果密钥生成信息是“01”，则密钥控制单元104依次连接解密的媒体密钥和权限密钥，并将单向函数应用于连接结果以生成内容密钥。
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公开(公告)号：EP4325867A1
公开(公告)日：2024-02-21
申请号：EP22788231.3
申请日：2022-04-18
发明人： KOZUKA, Masayuki , MORI, Yoshihiro , SUZUKI, Junya , KASHIWAGI, Yoshiichiro , YAMAMOTO, Yasutoshi , NISHIO, Toshiro
IPC分类号： H04N21/24 , G06Q50/14 , H04N21/27 , H04N21/431 , H04N21/466
摘要： A video display system (1) includes: a VR system (30a-30b) including a display (31) that displays a VR space to a participant (10-13) who participates in a VR experience, and an audio processor (32) that receives and outputs voice; an explainer terminal (40) that receives and outputs voice from and to an explainer (20) who provides an explanation to the participant (10-13) in the VR space; a video distributor (63) that distributes a 360-degree video for the VR space to the VR system (30a-30b); an audio conversation unit (61) that assists an audio conversation between the participant (10-13) and the explainer (20); and a controller (62) that manages an operation mode that selectively takes a first state in which questions from the participant (10-13) to the explainer (20) are not allowed, a second state in which questions are allowed, and a third state in which a question is being asked, and causes the VR system (30a-30b) to display information specifying the operation mode on the display (31).
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公开(公告)号：EP4325843A1
公开(公告)日：2024-02-21
申请号：EP22788230.5
申请日：2022-04-18
发明人： KOZUKA, Masayuki , MORI, Yoshihiro , SUZUKI, Junya , KASHIWAGI, Yoshiichiro , YAMAMOTO, Yasutoshi , NISHIO, Toshiro
IPC分类号： H04N7/18 , H04N21/431 , H04N21/435
摘要： A video display system for displaying a display video via a display device includes: a VR device including the display device that displays the display video; an observation device proved in a mobile object to give the observation device mobility and including a capturing unit configured to capture video, a data obtaining unit configured to obtain data related to a movement speed of the capturing unit, and a transmission unit configured to transmit, together with the data, the video captured; a reception unit configured to receive video and the data; a video generation unit configured to generate the display video including the video received; and a presentation unit configured to cause the video generation unit to generate and output a graphic corresponding to the movement speed from the data received and superimpose the graphic to present the movement speed of the capturing unit.
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