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Rendition of SD ECR-1-1978 color bars Colors are only approximate due to different transfers and color spaces used on web pages and video (BT.601 or BT.709). SMPTE color bars are a television test pattern used where the NTSC video standard is utilized, including countries in North America.
Censor bars are typically used for satire, [3] [4] although they remain in contemporary use to address privacy concerns. Censor bars are also used in art forms such as blackout poetry . Censor bars may also have the words 'censored', 'redacted', 'private information', 'sensitive information', etc. to indicate their presence.
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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% ...
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These may also use other aspect ratios by cropping otherwise black bars at the top and bottom which result from cinema aspect ratios greater than 16∶9, such as 1.85 or 2.35 through 2.40 (dubbed "Cinemascope", "21∶9" etc.), while the standard horizontal resolution, e.g. 1920 pixels, is usually kept.
SMPTE color bars as seen in calibration mode (blue channel only). The large bars are well matched to the smaller segments underneath, showing that the chrominance and luminance components are adjusted correctly. Based on color SVG version (GFDL).