Composite Video Connection - A method to interconnect video devices (such as a DTV set-top box and the analog television) by sending the signal over a single cable. This method is suitable only for analog NTSC signals
SPDIF - (Sony/Philips Digital Interface) - This is digital audio, and can be either coaxial cable or fiber optic.
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.
Bandwidth - The range of frequencies used to transmit the television signal, including picture and sound. Analog television signals have been allocated at 6 Megahertz for each over-the-air channel. Digital channels are allocated the same 6 Megahertz by Industry Canada. However, by the use of digital compression, a combination of up to 5 SDTV programs and/or one HDTV program can be carried in this 6 MHz digital channel.
Digital - Digital refers to the circuitry in which data-carrying signals are restricted to one of two voltage levels, corresponding to logic 1 or 0.
LFE - (Low Frequency Effects) - Sub-woofer. The 6th channel in a 5.1 channel system.
Pan-and-scan - A method of broadcasting a wide screen film on a 4:3 channel. Most of the time just the center of the image is shown. (The right and left edges are clipped off.)
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