Useful HDTV Definitions
CRT
Cathode Ray Tube: A display technology used in older (curved screen) 'tube' televisions, gradually being superseded by flat-panel technologies including LCD and plasma.
DLP
Digital Light Processing: DLP projectors use movable microscopic mirrors on a semiconductor chip to reflect or deflect the light source to product the image. This technology is used in rear-projection flat-screen televisions.
DVI
Digital Video Interface: A digital video interface standard designed to connect digital signal sources to digital display such as LCDs and Plasmas.
HD720
A picture resolution of 720 horizontal lines
HD1080
A picture resolution of 1080 horizontal lines
HDMI
High Definition Multimedia Interface: A newer digital audio and video interface to connect digital devices such as HTDVs to HD signal sources.
HDCP
High-Bandwidth Digital Content Protection: A content control system designed to protect digital content travelling via HDMI and DVI interfaces.
LCD
Liquid Crystal Display: A backlit display technology using liquid crystals sandwiched between two glass plates to block or emit light to form an image.
Pixel
Picture Element: A single unit or point in a graphic image.
Interlace Scanning
A technique for improving picture quality for while reducing the transmission bandwidth needed.
Plasma
A display technology that emits light from each individual pixel in the display.
Progressive Scan
The display of successive picture lines from top to bottom to form an image.