Datacolor Spyder5 Express User Manual
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Contents
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60Glossary of TermsAdobeRGBDefault color space for computer displays.Ambient LightLight from any source, other than the display, that reaches the screen surface.BrightnessAmount of light radiating from the screen.CalibrateTo measure and correct by comparison with a standard, of the correct value or eachreading on a measuring instrument.CandelaBasic unit of luminous intensity.Color TemperatureMeasurement of the color of white light, expressed in degrees Kelvin. The colortemperature is the color of light a perfect black-body radiator emits when heated tothe temperature. Computer monitors typically have a color temperature of 5000-9300 Kelvin: 5000 Kelvin is a yellow-white, 9300 Kelvin is a blue-white and 6500Kelvin is a standard white point that matches daylight at noon.ContrastDifference in color and/or brightness of an image and other images within the samefield of view.CurvesGraph of tonal response characteristics in the display.GammaNon-linear operation used to code and decode brightness values in an image.GamutRefers to the complete set of colors which can be reproduced/captured by a device.KelvinKelvin scale is a measure of temperature, starting from absolute zero.LuminanceAmount of light emitted or reflected from a surface.NTSCDefault color space for television.OSDAbbreviation for “On-Screen Display”.ProfileData file used to define and match color.Room Light(See Ambient Light.)SaturationIntensity of a color, expressed as the degree to which it differs from white. Can alsobe described as vividness or richness of a color.sRGBDefault color space for the Internet. |
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