Some 4K resolutions, like 3840вЂ‰Г—вЂ‰2160, are often casually referred to as 2160p. : 9 Since the resolution in CEA's definition is only a minimum requirement, displays with higher resolutions such as 4096вЂ‰Г—вЂ‰2160 or 5120вЂ‰Г—вЂ‰2880 also qualify as 'Ultra HD' displays, provided they meet the other requirements. The CEA definition does allow manufacturers to use other terms-such as 4K-alongside the Ultra HD logo. Capable of processing images according to the color space defined in ITU-R BT.709.At least one HDMI input capable of supporting 3840вЂ‰Г—вЂ‰2160 at 24, 30, and 60 Hz progressive scan (though not necessarily with RGB / YвЂІC BC R 4:4:4 color), and HDCP 2.2.Support for color depth of 8 bpc (24 bit/px) or higher.CEA defines an Ultra HD product as a TV, monitor, or projector with the following characteristics: In October 2012, the Consumer Electronics Association (CEA) announced their definition of the term Ultra High-Definition (or Ultra HD) for use with marketing consumer display devices. In some of ITU's other standards documents, the terms 'UHDTV1' and 'UHDTV2' are used as shorthand. ДЄlthough the UHDTV standard does not define any official names for the formats it defines, ITU typically uses the terms '4K', '4K UHD', or '4K UHDTV' to refer to the 3840вЂ‰Г—вЂ‰2160 system in public announcements and press releases ('8K' for the 7680вЂ‰Г—вЂ‰4320 system). It adopts the same image parameters defined in SMPTE ST 2036-1. In 2012, the International Telecommunication Union, Radiocommunication Sector published Recommendation ITU-R BT.2020, also known as the Ultra High Definition Television ( UHDTV) standard. UHDTV1 systems are permitted to use BT.709 color primaries up to 60 Hz. These are the same characteristics later standardized in ITU-R BT.2020. Colorimetry characteristics as defined in the standard, including color primaries, quantization parameters, and the electro-optical transfer function.Square (1в€¶1) pixels, for an overall image aspect ratio of 16в€¶9 :вЂЉВ§5.1.The standard defines the following characteristics for these systems: In 2007, the Society of Motion Picture and Television Engineers published SMPTE ST 2036-1, which defines parameters for two UHDTV systems called UHDTV1 and UHDTV2. However, usage of these terms in the cinema industry predates the publication of the DCI standard, and they are generally understood as casual terms for any resolution approximately 2000 or 4000 pixels in width, rather than names for specific resolutions. Some articles claim that the terms '2K' and '4K' were coined by DCI and refer exclusively to the 2K and 4K formats defined in the DCI standard. 4096 Г—вЂ‰1716 (CinemaScope crop, в‰€2.39в€¶1 aspect ratio)ДўK distributions can have a frame rate of either 24 or 48 FPS, while 4K distributions must have a frame rate of 24 FPS.:вЂЉВ§4.3.1 The resolution of the video content inside follows the SMPTE 428-1 standard, :вЂЉВ§3.2.1 which establishes the following resolutions for a 4K distribution: :вЂЉ6 This specification establishes standardized 2K and 4K container formats for digital cinema production, with resolutions of 2048вЂ‰Г—вЂ‰10вЂ‰Г—вЂ‰2160 respectively. In 2005, Digital Cinema Initiatives (DCI), a prominent standards organization in the cinema industry, published the Digital Cinema System Specification.

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