Fps - Frames per Second. To give the illusion of motion, television actually transmits a series of snapshot pictures referred to as frames. Increasing the frame rate improves motion smoothness and may reduce flicker in some displays. In Canada both analog and digital television transmits 30 Fps.
FTA - (Free To All MPEG-2 broadcasts) - The two most common digital schemes found on C-band and Ku band are 4DTV and FTA. FTA receivers are available to consumers, but there is effectively no regular HD programming.
EDTV - This acronym stands for "Enhanced Definition Television." It refers to a complete products/system with at least a digital receiver display scanning format, and Dolby Surround Sound audio output capabilities.
Sampling - This is the digital process by which analog information is measured, often millions of times per second, in order to convert analog to digital.
STB - (Set Top Box) - These include satellite receivers, cable TV receivers, OTA receivers, and various recording devices.
Sub-channels - OTA DTV stations can show multiple programs simultaneously, subject to the 6 MHz bandwidth limit. This is called multicasting.
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.
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