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The company was established as "Fabrique Genevoise de Crayons Ecridor" in Geneva in 1915. [2] When Arnold Schweitzer took over the company in 1924, he renamed it after Caran d'Ache, the pseudonym of the Russian-French satiric political cartoonist Emmanuel Poiré – who in turn took his pseudonym from карандаш (karandash), the Russian word for 'pencil', itself of Turkic origin.
It is also used for setting a television monitor or receiver to reproduce NTSC chrominance and luminance information correctly. A precursor to the SMPTE test pattern was conceived by Norbert D. Larky (1927–2018) [5] [6] and David D. Holmes (1926–2006) [7] [8] of RCA Laboratories and first published in RCA Licensee Bulletin LB-819 on ...
EBU 100/0/100/0 Colour Bars Displayed colours are only approximate due to different transfer and colour spaces used on web pages and video (BT.601 or BT.709). An alternate form of colour bars is the 100% Colour Bars or EBU 100/0/100/0 Colour Bars pattern (specified in ITU-R Rec. BT.1729 [8]), also known as the RGB pattern or full field bars, which consists of eight vertical bars of 100% ...
Typical photographic scene lit by full moon [7] 10 −2: 5 mcd/m 2: Approximate scotopic/mesopic threshold [8] 10 −1: 10 0: cd/m 2: 2 cd/m 2: Floodlit buildings, monuments, and fountains [9] 10 1: 5 cd/m 2: Approximate mesopic/photopic threshold [8] 25 cd/m 2: Typical photographic scene at sunrise or sunset [7] 30 cd/m 2: Green ...
High-dynamic-range television (HDR-TV) is a technology that uses high dynamic range (HDR) to improve the quality of display signals. It is contrasted with the retroactively-named standard dynamic range (SDR). HDR changes the way the luminance and colors of videos and images are represented in the signal and allows brighter and more detailed ...
YouTube TV is an American subscription over-the-top streaming television service operated by YouTube, a subsidiary of Google, which in turn is a subsidiary of Alphabet Inc., who announced YouTube TV on February 28, 2017. [2]
ITU-R Recommendation BT.2020, more commonly known by the abbreviations Rec. 2020 or BT.2020, defines various aspects of ultra-high-definition television (UHDTV) with standard dynamic range (SDR) and wide color gamut (WCG), including picture resolutions, frame rates with progressive scan, bit depths, color primaries, RGB and luma-chroma color representations, chroma subsamplings, and an opto ...
Y′UV, also written YUV, is the color model found in the PAL analogue color TV standard. A color is described as a Y′ component ( luma ) and two chroma components U and V. The prime symbol (') denotes that the luma is calculated from gamma-corrected RGB input and that it is different from true luminance . [ 1 ]