| 单词 | white level |
| 释义 | > as lemmaswhite level white level n. the signal level corresponding to the maximum brightness on a television screen, computer monitor, etc. ΘΚΠ society > communication > broadcasting > television > visual element > [noun] > signals, types, or parts of picture frequency1926 picture signal1927 black level1935 line frequency1936 pedestal1937 line scan1938 picture black1938 white level1938 porch1941 test signal1945 spot wobble1950 luminance1953 1938 Brit. Patent 484,202 2/2 The synchronising impulses are thus reversed into the grey or white levels of the transmitted subject and the maximum potential applied to grid 36 is that potential corresponding to minimum vision modulation i.e. the black level. 1953 S. W. Amos & D. C. Birkinshaw Television Engin. I. i. 17 White level may be positive or negative with respect to black level. 2009 N.Y. Times (Nexis) 11 June b8 You can maximize the image's whites using the contrast control. The trick is to adjust the set to get the best white level while still maintaining detail in the whites. < as lemmas |
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