7-5. Glossary
Clock
The analog signal input monitor needs to reproduce a clock of the same frequency as the dot clock of the graphics system in use, when the analog signal is converted to a digital signal for image display. This is called clock adjustment. If the clock pulse is not set correctly, some vertical bars appear on the screen.
Color Space
Color space is a method to specify and express the color. There are YUV and RGB, etc. YUV expresses the color by using the luminance (Y), the color difference of R (U) and the color difference of blue (V). RGB does it by using the gradation of 3 colors of Red (R, Green (G) and Blue (B).
DDC/CI (Display Data Channel/Command Interface)
VESA provides the standardization for the interactive communication of the setting information, etc. between a PC and the monitor.
DVI (Digital Visual Interface)
DVI is a digital interface standard. DVI allows direct transmission of the PC’s digital data without loss. This adopts the TMDS transmission system and DVI connectors. There are two types of DVI connectors. One is a
DVI DMPM (DVI Digital Monitor Power Management)
DVI DMPM is a digital interface
Gain
This is used to adjust each color parameter for red, green and blue. An LCD monitor displays the color by the light passing through the panel color filter. Red, green and blue are the three primary colors. All the colors on the screen are displayed by combining these three colors. The color tone can be changed by adjusting the light intensity (volume) passing through each color’s filter.
Gamma
Generally, the monitor brightness varies nonlinearly with the input signal level, which is called “Gamma Characteristic”. A small gamma value produces a
HDCP (High-bandwidth Digital Content Protection)
Digital signal coding system developed to
Any digital contents cannot be reproduced if both of the equipments on the output and input sides are not applicable to HDCP system.
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