Glossary

Brightness. The balance of light and dark shades in an image.

Component video. The recording and transmission of video using separate red, green, blue and synchronization signals.

Composite video. A type of video signal that encodes picture, luminance, and synchronization information so it can be carried in one signal.

Contrast. A measure of the tonal differences between the highlights and shadows of an image. In a high-contrast image, light areas are very bright and dark areas are very dark, with relatively few levels of gray between white and black. Contrast is decreased by adding grays.

DPMS. Display Power Management Signaling. A power saving feature that powers down a computer’s monitor when it has been idle for a specified amount of time.

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