CRT - An analog vacuum tube technology that has been the mainstay of conventional TV displays for many years, writing the picture on a phosphor coated screen with an electron beam. It can produce bright pictures of excellent resolution but the size and weight of a unit suitable for the large, wide-screen displays needed for HDTV may be, for some, a disadvantage.
Line Doubling - A method used in some televisions to improve the visual quality of an NTSC interlaced picture, making it comparable to a progressively scanned picture.
Metadata - Informational data about the data, included in a signal's data stream.
Terrestrial - A broadcast signal transmitted "over the air" to an antenna.
ATSC - (Advanced Television System Committee technical standard) - This is the name of the technology used by terrestrial digital TV stations in the U.S.
ATSC - An acronym for advanced television systems committee, and the name of the DTV system used by broadcasters in the U.S.
Color temperature - This describes how white is displayed. Low temperature means slightly reddish, while high temperature means slightly bluish. Standard NTSC white corresponds to the color a glowing hot object would be at 6500ø K
RGB - 1. red-green-blue - 2. a 3-wire standard
SVGA - This acronym is short for the "Super Video Graphics Array" display mode. SVGA resolution is 800 x 600 pixels.
