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DNxHR HQX - High Quality (12-bit 4:2:2) (UHD/4K Broadcast-quality delivery) DNxHR 444 - Finishing Quality (12-bit 4:4:4) (Cinema-quality delivery) Bandwidth requirements for the codec and its different flavors have been announced in the "Avid High Resolution Workflows Guide - December 2014" on page 166-172.
On October 4, 2013, DigitalEurope announced the requirements for their UHD logo in Europe. [146] The DigitalEurope UHD logo requires that the display support a resolution of at least 3840 × 2160, a 16∶9 aspect ratio, the Rec. 709 (HDTV) color space, 8 bpc color depth, a frame rate of 24, 25, 30, 50, or 60 fps, and at least 2-channel audio.
MarkAny has founded in February 1999 by Professor Choi Jong-uk and his graduate students at Sangmyung University. [2] In 2002, MarkAny provided anti-forgery and physical copy protection solution for electronic certificate issuing system of Gangnam-gu Office, [3] and in 2003, for National Tax Service of South Korea [4] and Supreme Court of South Korea. [5]
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 ]
DVB finalized UHD-1 Phase 2 in 2016, with the introduction of service by broadcasters expected in 2017. UHD-1 Phase 2 adds features such as high dynamic range (using HLG and PQ at 10 or 12 bits), wide color gamut ( BT. 2020 / 2100 colorimetry), and high frame rate (up to 120 Hz).
Rec. 2100 defines two sets of HDR transfer functions which are perceptual quantization (PQ) and hybrid log-gamma (HLG). [3] HLG is supported in Rec. 2100 with a nominal peak luminance of 1,000 cd/m 2 and a system gamma value that can be adjusted depending on background luminance. [3]