英语词汇“chrominance”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

chrominance

释义

chrominance Colour Television.|ˈkrəʊmɪnəns|
[f. Gr. χρῶµα colour, after luminance.]
(See quot. 1952.) Also attrib.
1952Electronics Nov. 212/2 Approved working definitions for color television... Chrominance, the colorimetric difference between any color and a reference color of equal luminance.1953Ibid. Dec. 139/3 The term ‘chrominance’ refers to two signals which carry color information. These signals, when added to the luminance signal, provide the hue and saturation components of the color image.1955G. G. Gouriet Introd. Colour Telev. II. 44 The bandwidth of the chrominance signal may be reduced to less than one half that of the luminance signal before the deficiency is noted at normal viewing distances.

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