Widescreen - see 16 - 9
VGA - a 5-wire standard interface, originally for computer monitors, now common for HDTV monitors. Usually the 5 wires are in one cable. The connector can be either a 15-pin connector or five BNC connectors. The signals are usually red, green, blue, horizontal sync, and vertical sync. But Y, Pr, and Pb can replace the colors.
COFDM modulation technique. This technical standard has been used in Europe and other places for digital TV. 8VSB is used in the U.S.
LFE - (Low Frequency Effects) - Sub-woofer. The 6th channel in a 5.1 channel system.
Interlaced scan - Historically, TV CRTs are interlaced, while computer CRTs are not. Interlaced means that the electron beam skips every other horizontal line, filling in the missing lines on the next pass. A frame is composed of 2 fields. One field is all of the odd numbered lines, and the other field is all of the even numbered lines.
PVP-OPM - Protected Video Path Output Protection Management. Downgrades computer video resolution or blocks the picture entirely if the connected display doesn't support content protection.
Down Converting - Process by which a high-definition signal is converted to a standard definition picture.
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