Letterboxed - Refers to a program that is presented in or close to its original aspect ratio. The aspect ratio compares the width of the picture to the height. Standard TV broadcasts and cablecasts use a 4:3 aspect ratio, while most movies are shot in an approximately 16:9 ratio.
Megapixel - A measure of resolution that reflects the ability of a digital camera to record detail. The more megapixels a camera has, the more detail its images can contain and the more they can be enlarged without losing clarity. More megapixels aren't always necessary, however. For more information see DCHQ's First Time Buyer's Guide.
HDTV (High-Definition Television) - A television system that incorporates 1000 or more horizontal lines of resolution (twice current standards) along with a wider aspect ratio and digital quality audio.
PIM - personal information management. Refers to handheld computer applications that organize personal information such as calendar, to do lists, memos.
S-video - Also called Y/C, this two-wire standard keeps the color separate from the intensity signal, and thus avoids the overlapping sideband problem of composite signals. (Converting an NTSC signal to S-video gains you nothing since what was lost cannot be recreated.) - Although the quality of S-video is close to component video, S-video cannot transport anything better than 480i.
Multipoint convergence - Projection TVs with 3 CRTs require periodic adjustment to keep the 3 images perfectly aligned. Typically this is a simple 5 minute procedure the consumer must do every month or so.
Color Correction - The process of adjusting an image to compensate for scanner deficiencies or output device characteristics.
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