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UHD Phase A is a set of guidelines from the Ultra HD Forum for the distribution of SDR and HDR content using Full HD 1080p and 4K UHD resolutions. It requires a color depth of 10 bits per sample, a color gamut of Rec. 709 or Rec. 2020, a frame rate of up to 60 fps, a display resolution of 1080p or 2160p and either standard dynamic range (SDR ...
This is the resolution of the UHDTV1 format defined in SMPTE ST 2036–1, [15] as well as the 4K UHDTV format defined by ITU-R in Rec. 2020, [16] and is also the minimum resolution for CEA's definition of Ultra HD displays and projectors. [21] The resolution of 3840 × 2160 was also chosen by the DVB project for their 4K broadcasting standard ...
On July 3, 2013, Sony announced the release of their 4K Ultra HD Media Player with a price of US$7.99 for rentals and US$29.99 for purchases. [137] [138] The 4K Ultra HD Media Player only worked with Sony's 4K Ultra HD TVs. [138] On July 15, 2013, the CTA published CTA-861-F, a standard that applies to interfaces such as DVI, HDMI, and LVDS. [139]
Ultra HD Blu-ray (4K Ultra HD, UHD-BD, or 4K Blu-ray) [2] [3] is a digital optical disc data storage format that is an enhanced variant of Blu-ray. [4] Ultra HD Blu-ray supports 4K UHD (3840 × 2160 pixel resolution) video at frame rates up to 60 progressive frames per second, [ 4 ] encoded using High-Efficiency Video Coding . [ 4 ]
Sometimes a shadow can be used to create a visual effect. Areas of the blue screen or green screen with a shadow on them can be replaced with a darker version of the desired background video image, making it look like the person is casting a shadow on them. Any spill of the chroma key colour will make the result look unnatural.
With the Blu-spec master, a blue laser is used which is a finer etching process. With this technology, the notches are therefore more precise which reduce playback errors. The notches on a Blu-spec CD have a width of 125 nm compared to the 500 nm width on a standard CD.
This image is believed to be non-free or possibly non-free in its home country, Singapore. In order for Commons to host a file, it must be free in its home country and in the United States. Some countries, particularly other countries based on common law, have a lower threshold of originality than the United States.
Astro Design 8K camera being displayed at the 2013 NAB Show NHK and Hitachi demonstrating their 8K camera at the 2013 NAB Show. Japan's public broadcaster NHK was the first to start research and development of 4320p resolution in 1995 and the format was first displayed in 2005. [10]
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