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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.
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% ...
Test cards typically contain a set of patterns to enable television cameras and receivers to be adjusted to show the picture correctly (see SMPTE color bars).Most modern test cards include a set of calibrated color bars which will produce a characteristic pattern of "dot landings" on a vectorscope, allowing chroma and tint to be precisely adjusted between generations of videotape or network feeds.
Colour bars - two sets of bars (75% saturation at lines 6 to 7; 100% saturation at lines 14 to 15) to adjust colour saturation; Greyscale - a set of bars on line 8, that allow setting brightness, contrast, white balance and black level; Contrasting colour stripes - located at line 9, they allow checking of colour transitions;
Commonly used TV Resolution = 720 x 576 Black ... 75% intensity corresponding to 100.0.75.0 color bars, also referred to as EBU Bars. Variants. Resolution
In general, all test pattern with a color bar, that includes red, green, blue, and the complementary colors cyan, magenta and yellow can be used to adjust hue and saturation in blue only mode. Particularly often the SMPTE test pattern or the HD version of the SMPTE is used for hue and saturation adjustment.
Tartan bars (75% luminance color bars, with a grayscale bar—20, 40, 60 and 80%—below) Circular grayscale (to check for dither or quantization problems) Chart format; Registration check (for color alignment check) Vertical frequency response check (boxes with 100, 200 and 300 TV lines)
SMPTE color bars are a television test pattern used where the NTSC video standard is utilized, including countries in North America. "In digital video the values of 0 and 255 are reserved for sync" Actually only for limited range, neither full range YCbCr, nor full range RGB have that problem.