VIZIO VP322 HDTV10A User Manual
Version 4/8/2008 67
www.VIZIO.com
6.2
6.26.2
6.2 Glos sary
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Analog TV: Today’s TV system using radio frequency waves to transmit and display pictures and sound.
Aspect Ratio (4:3): Traditional TV “aspect ratio”, that is, the screen’s width as compared to its height.
For example, a “32 inch TV screen” would be 25 inches wide and 19 inches tall.
Aspect Ratio (16:9): “Wide screen TV” as pect ratio which is mor e like a movie screen than a traditional
TV. For example, a “32 inch TV screen” would be 28 inches wide and 16 inches tall.
Digital TV (DTV): Television delivered and d isplayed using radio frequency waves that contain
information that is digitally encoded for improved quality and efficiency.
Enhanced Definition TV (EDTV): A bett er digital television transm ission than SDTV with at least 480P,
in a 16:9 or 4:3 display and Dolb y digital surround sound. 480P is the qu ality used by most DVD players.
EDTV provides 300-400,000 pixels.
HDTV Monitor (sometimes called HDT V Ready): A set that can display HDTV programming if you have
a separate HDTV tuner, HD Cable Set-Top Box or HD Satellite Set-Top-Box Receiver.
HDTV Tuner (also decoder, r eceiver, set-top box): A device capable of receivi ng and outputting HDTV
signals for display. It may be stand-alone or integrated in the set.
High-Definition Television (HDTV): The best qualit y picture, wide screen (16:9) display with at least 720
progressively scanned lines (720P) or 1080 interlac ed lines (1080i) and Dolby digital surround sound.
HDTV provides 900,000-2.1 million pixels.
Integrated HDTV: An HDT V that has the digital t uner built into the set. It does not need a separate set-
top box to receive over-the-air DTV signals.
Interlace Scan: A way to scan vertical lines onto a T V picture b y scanning all the odd lines first, then
filling the in the even lines (this happens instantaneously).
Plug-and-Play or Digital Cable Ready: A DTV or other device for digital cable consumers that plugs
directly into the cable jack and does not require a separate set-top box. Plug-and- Play TV owners must
obtain a CableCARD from their cable company in order to view scrambled programm ing services.
Progressive Scan: A way to scan vertical lines onto a TV picture by scanning a ll the lines consecutively
(progressively).
Standard Definition TV (SDTV): Basic digital tel evision transmission that may be displayed with fewer
than 480 progressively scanned lines (480P) in 16:9 or 4:3 format. 4 80 interlaced (480i) is t he quality of
today’s analog TV system.
Source: Buying a Digital Television, CEA, HDTV Guide, 2005
Note: The Federal Communications Comm ission (FCC), the Consumer Electronics Association (CEA)
and the Consumer Electronics Retailers Co alition (CERC) have made a new ti p sheet available for digital
television (DTV) retailers to reproduc e and distribute to consumers on the sales floor. The file may be
downloaded online at www.dtv.gov. While you’re there, check out the other useful information in the FCC
is making available to consumers interested in learning more about the analog to digital transition.