Reverse 3 - 2 Pull-Down - DTV material originating on film at 24 fps is converted to the 30 fps of DTV by repeating field or frames, resulting in some motion artefacts. Some film presentations remove these repeated images before transmission and send a signal to the television causing it to process (termed Reverse 3 - 2 Pull-Down) this material appropriately to make it suitable for display. In this way, the displayed material closely matches the original film quality, avoiding the motion artefacts.
If you want the simplicity that comes with the cable receiver being integrated with the TV then you should buy a TV with a cable card slot. However if you like TiVo then you would instead get a DVR, which will have its own cable card slot.
Codec - This term is short for "Coder-decoder." A codec is a device that converts analog video and audio signals into a digital format for transmission. It also converts received digital signals back into an analog format.
DBS (direct broadcast satellites) - These satellites are powerful enough to be received by an 18 inch dish. They use Ku-band frequencies. Companies that provide DBS services to consumers in the U.S. are DirecTV and Dish Network. Canadian DBS providers are Star Choice and Bell ExpressVu. Also called DSS.
Progressive Scanning - A system of video scanning where lines of a picture are displayed consecutively (unlike interlaced).
Composite video. This 1-wire standard contains all video information: intensity, color, and sync. The encoding is the same as NTSC, and thus has the "overlapping sideband" problem which sometimes causes wrong colors to appear.
8VSB modulation technique - (8-level vestigial sideband) - DTV stations in the U.S. use 8VSB modulation. This is an AM mode wherein the carrier is multiplied by an 8-level digital signal, and then a filter is used to remove all but the carrier and 6 MHz of the upper sideband. ("8VSB" is often used as a synonym for OTA.)
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