56 Chapter9Glossary
Chapter 9 Glossary
Adobe RGB
This is a denition of the practical RGB color space proposed by Adobe Systems i n 1998. The color
reproduction range (color gamut) is broader than sRGB, and is highly adaptable to such elds as pri nting etc.
Color Space
YUV and RGB, etc. are available. YUV expresses the color by using t he luminance (Y), the color difference
of Blue (U), and the color difference of Red (V). RGB does this by using the grad ation of the 3 colors, Red
(R), Green (G), and Blue (B).
DCI (Digital Cinema Initiatives)
The company was founded by an association of U.S. lm studios, and t his company decides the
specications for digital cinema.
DisplayPort
This is the interface stand ard for image signals standardized i n accordance with VESA. It was developed
with the aim of replacing the conventional DVI and analog inter faces, and it can transmit high resolution
signals and sound signals, which DVI does not support. It also sup ports 10-bit color, copyright protection
technology, long cables, etc. The standard size and mini si ze connectors have been standardize d.
DVI (Digital Visual Interface)
DVI is a digital interface standar d. DVI allows direct transmission of the PC’s digital data without loss.
This adopts the TMDS tra nsmission system and DVI connectors. There are two t ypes of DVI connectors.
One is a DVI-D connector for digital signal input only. The other is a DVI-I connector for both d igital and
analog signal inputs.
DVI DMPM (DVI Digital Monitor Power Management)
DVI DMPM is a digital interface power saving funct ion. The “Monitor ON (operating mode)” and “Active
Off (power saving mode)” are indispensable for DVI DMPM as the monitor’s power mode.
EBU (European Broadcasting Union)
The organization also includes broadcast ing ofces from Europe and North Afr ica, and it’s role is to decide
various technical standa rds etc.
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 lter. Red, gre en and blue are the three primar y colors. All the
colors on the screen are displayed by combining these th ree colors. The color tone can be changed by
adjusting the light intensity (volume) passing through each color’s lter.