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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 ]
The DCI 4K standard has twice the horizontal and vertical resolution of DCI 2K (2048 × 1080), with four times as many pixels overall. Digital movies made in 4K may be produced, scanned, or stored in a number of other resolutions depending on what storage aspect ratio is used.
Similar to A4 paper format (~123 dpi for A4 size) 1440: ... 4K Ultra HD 1:2160p, 4000-lines UHDTV 3840:
The resolution 3840 × 2160, sometimes referred to as 4K UHD or 4K × 2K, has a 16:9 aspect ratio and 8,294,400 pixels. It is double the size of Full HD (1920 × 1080) in both dimensions for a total of four times as many pixels, and triple the size of HD (1280 × 720) in both dimensions for a total of nine times as many pixels. It is the lowest ...
Indian satellite pay TV provider Tata Sky launched UHD service and UHD Set Top Box on 9 January 2015. The service is 4K at 50 fps and price of the UHD box is ₹5900 for existing SD/HD customers and ₹6400 for new customers. The 2015 Cricket World Cup was telecast live in 4K for free to those who own Tata Sky's UHD 4K STB.
In digital cinema, resolutions are represented by the horizontal pixel count, usually 2K (2048×1080 or 2.2 megapixels) or 4K (4096×2160 or 8.8 megapixels). The 2K and 4K resolutions used in digital cinema projection are often referred to as DCI 2K and DCI 4K. DCI stands for Digital Cinema Initiatives.
A common size for LCDs manufactured for small consumer electronics, basic mobile phones and feature phones, typically in a 1.7" to 1.9" diagonal size. This LCD is often used in portrait (128×160) orientation. The unusual 5:4 aspect ratio makes the display slightly different from QQVGA dimensions. 160×128 (20k) 160 128 20,480 5:4 UNNAMED UNNAMED
4K at 60fps: 4K at 30fps: HDR10 Passthrough SHIELD TV Pro P2571 2015 Box Nvidia Tegra X1 3GB 500GB Yes 3x (2x 3.0 typeA, 1x microUSB) Yes HDMI 2.0 w/ HDCP 2.2 & CEC (HDMI 2.0b by FW update) GbE: 802.11ac 2x2 MIMO: 4.1 / LE Remote, gamepad 4K at 60fps: 4K at 30fps: HDR10 Passthrough SHIELD TV P2897 2017 Box Nvidia Tegra X1 3GB 16GB No 2x (3.0 ...
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