Epson 5550C User Manual - Page 168
Glossary
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Glossary Brightness The balance of light and dark shades in an image. 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. NTSC A 525-line video broadcast format developed by the National Television Standards Committee. NTSC is widely used in North America, Mexico, and Japan. 155
155
Glossary
Brightness
The balance of light and dark shades in an
image.
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.
NTSC
A 525-line video broadcast format developed
by the National Television Standards
Committee. NTSC is widely used in North
America, Mexico, and Japan.