Abstract: An etching method in which: molten sodium hydroxide in a prescribed temperature range is used as a molten alkali, whereby an Si surface of an etching surface of an SiC substrate, in which the substrate surface is configured from the Si surface and a C surface, is removed at a higher speed than is the C surface while an oxide film is formed on the etching surface in a high-temperature environment containing oxygen.

Abstract: A technology of preventing feeling of a viewer on brightness from significantly changing when content is switched is provided. A video display device (1) includes a calculation unit (23) that calculates video feature relating to a display video, and a mute video display unit that displays a mute video posterior to a first display video, in which luminance of the mute video is luminance corresponding to a value of the video feature relating to the first display video.

Abstract: A video signal conversion device is realized in which even in a case where an HDR video signal following a first video format is converted into a HDR video signal following a second video format, supplementary information related to the HDR video signal following the original first video format is not lost. The video signal conversion device (1 or 40) includes: a conversion unit (5) that converts the high dynamic range video signal following the first video format into the high dynamic range video signal following the second video format; and an output unit (12) that outputs the supplementary information which is related to the high dynamic range video signal following the first video format.

Abstract: A technology of preventing feeling of a viewer on brightness from significantly changing when content is switched is provided. A transmitting device (1) includes a calculation unit (12) that calculates a video feature of a transmission video signal, and a mute video generation unit (13) that generates a mute video posterior to a first video signal, in which luminance of the mute video is luminance corresponding to a value of a video feature relating to the first video signal.

Abstract: A substrate manufacturing method capable of easily obtaining a thin magnesium oxide single crystal substrate is provided. A first step is performed which disposes a condenser for condensing a laser beam on an irradiated surface of a magnesium oxide single crystal member in a non-contact manner. A second step is performed which forms processing mark lines in parallel by irradiating the laser beam to the surface of the single crystal substrate under designated irradiation conditions to condense the laser beam into an inner portion of the single crystal substrate while moving the condenser and the single crystal substrate relative to each other in a two-dimensional manner.

Abstract: A reception device detects whether or not there has been updating of configuration information including correlation information correlated with audio data provided in a program from reception signals received in a broadcast, selects one of a plurality of audio data in accordance with operating input, and includes a decoding unit that decodes audio data that the selecting unit has selected. When the configuration information is updated, the selecting unit selects, out of correlation information included in the configuration information that has been updated, audio data corresponding to correlation information including a predetermined element that is the same as correlation information corresponding to audio data selected before updating.

Abstract: A substrate manufacturing method capable of easily obtaining a thin magnesium oxide single crystal substrate is provided. Performed is a first step of disposing a laser condensing means on a surface of a magnesium oxide single crystal substrate (20) of magnesium oxide to be irradiated in a non-contact manner, the laser condensing means being for condensing a laser beam. Then, a second step of causing planar peeling from a surface side of the magnesium oxide single crystal substrate (20) to be irradiated is performed. In this second step, a laser beam (B) is irradiated to the surface of the single crystal substrate (20) and the laser beam (B) is condensed into an inner portion of the single crystal substrate (20) under designated irradiation conditions. Simultaneously with the irradiation and the condensation, the laser condensing means (14) and the single crystal substrate (20) are two-dimensionally moved relatively to each other.

Abstract: A technique for preventing a significant change of viewer's perception of brightness for each content. An image processing device (1) includes a calculation unit (6) configured to calculate a video feature from a parameter in a video signal for transmission and an adjustment unit (8) configured to adjust the parameter such that the video feature calculated by the calculation unit is approximated to a prescribed reference value.

Abstract: A technology of preventing feeling of a viewer on brightness from significantly changing when content is switched is provided. A transmitting device (1) includes a calculation unit (12) that calculates a video feature of a transmission video signal, and a mute video generation unit (13) that generates a mute video posterior to a first video signal, in which luminance of the mute video is luminance corresponding to a value of a video feature relating to the first video signal.

Abstract: When a video of a program is determined as a high dynamic range video, which has a luminance range wider than a standard luminance range, on the basis of service information of the program, a display information output unit outputs a luminance setting screen that has an adjustment point related to predetermined subject luminance to be specified, a luminance setting unit sets target luminance of the adjustment point on the basis of an operation, and a luminance adjustment unit adjusts luminance of the adjustment point and luminance of the video on the basis of luminance adjustment information indicating the target luminance.

Abstract: A video signal conversion device is realized in which even in a case where an HDR video signal following a first video format is converted into a HDR video signal following a second video format, supplementary information related to the HDR video signal following the original first video format is not lost. The video signal conversion device (1 or 40) includes: a conversion unit (5) that converts the high dynamic range video signal following the first video format into the high dynamic range video signal following the second video format; and an output unit (12) that outputs the supplementary information which is related to the high dynamic range video signal following the first video format.

Abstract: A technology of preventing feeling of a viewer on brightness from significantly changing when content is switched is provided. A video display device (1) includes a calculation unit (23) that calculates video feature relating to a display video, and a mute video display unit that displays a mute video posterior to a first display video, in which luminance of the mute video is luminance corresponding to a value of the video feature relating to the first display video.

Abstract: A content processing device causing a display device connected thereto to output content includes: a first acquisition unit that acquires video luminance information included in the content from service information included in the content; a second acquisition unit that acquires, from the display device, display luminance information in a case where the display device performs display; and an information processing unit that notifies a viewer, who views the content, of information based on the video luminance information and the display luminance information via the display device.

Abstract: A substrate manufacturing method includes: a first step of disposing a condenser for condensing a laser beam in a non-contact manner on a surface 20r of a magnesium oxide single crystal substrate 20 to be irradiated; and a second step of irradiating a laser beam to a surface of the magnesium oxide single crystal substrate 20 and condensing the laser beam into an inner portion of the single crystal member under designated irradiation conditions using the condenser, and at a same time, two-dimensionally moving the condenser and the magnesium oxide single crystal substrate 20 relatively to each other, and sequentially forming processing marks to sequentially allow planar peeling.

Abstract: Provided is a reception device that allows a viewer to grasp that luminance may increase depending on content to be displayed. An acquisition unit that acquires, from service information of content, luminance information of a video included in the content; a luminance determination unit that determines, on the basis of the luminance information, whether or not luminance of the content is higher than a reference value; a notification information generation unit that generates, in a case where the luminance is higher than the reference value as a result of determination of the luminance determination unit, notification information that is information about the luminance; and an output unit that outputs the notification information are included.

Abstract: A content transmission unit (22) is provided that performs chunk transfer of a segment to a client (2) in subsegment unit, the subsegment being formed by dividing the segment into a plurality of pieces after receiving a request requiring transmission of the segment from the client (2).

Abstract: A content transmission unit (22) is provided that performs chunk transfer of a segment to a client (2) in subsegment unit, the subsegment being formed by dividing the segment into a plurality of pieces after receiving a request requiring transmission of the segment from the client (2).

Abstract: A content transmission unit (22) is provided that performs chunk transfer of a segment to a client (2) in subsegment unit, the subsegment being formed by dividing the segment into a plurality of pieces after receiving a request requiring transmission of the segment from the client (2).

Abstract: An aluminum alloy fin material for a heat exchanger having suitable strength before brazing enabling easy fin formation, having high strength after brazing, having a high thermal conductivity (electrical conductivity) after brazing, and having superior sag resistance, erosion resistance, self corrosion prevention, and sacrificial anode effect, a method of production of the same, and a method of production of a heat exchanger using the fin material are provided, that is, an aluminum alloy fin material having a chemical composition of Si: 0.7 to 1.4 wt %, Fe: 0.5 to 1.4 wt %, Mn: 0.7 to 1.4 wt %, and Zn: 0.5 to 2.5 wt %, Mg as an impurity limited to 0.

Abstract: A content transmission unit (22) is provided that performs chunk transfer of a segment to a client (2) in subsegment unit, the subsegment being formed by dividing the segment into a plurality of pieces after receiving a request requiring transmission of the segment from the client (2).