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VIZIO VO42L FHDTV10A User Manual
6.2 Glossary – Standard Definitions
Analog TV: Today’s TV system using radio frequency waves to transmit and display pictures and sound.
Aspect Ratio (4x3): 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 (16x9): “Wide screen TV” aspect ratio which is more 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 displayed using radio frequency waves that contain information that is digitally encoded for improved quality and efficiency.
Enhanced Definition TV (EDTV): A better digital television transmission than SDTV with at least 480P, in a 16x9 or 4x3 display and Dolby digital surround sound. 480P is the quality used by most DVD players. EDTV provides
HDTV Monitor (sometimes called HDTV Ready): A set that can display HDTV programming if you have a separate HDTV tuner, HD Cable
HDTV Tuner (also decoder, receiver,
Integrated HDTV: An HDTV that has the digital tuner built into the set. It does not need a separate set- top box to receive
Interlace Scan: A way to scan vertical lines onto a TV picture by scanning all the odd lines first, then filling the in the even lines (this happens instantaneously).
Progressive Scan: A way to scan vertical lines onto a TV picture by scanning all the lines consecutively (progressively). The 1080P is the latest best quality picture display at the present time.
Standard Definition TV (SDTV): Basic digital television transmission that may be displayed with fewer than 480 progressively scanned lines (480P) in 16 x 9 or 4 x 3 format. 480 interlaced (480i) is the quality of today’s analog TV system.
Source: Buying a Digital Television, CEA, HDTV Guide, 2005
Note: The Federal Communications Commission (FCC), the Consumer Electronics Association (CEA) and the Consumer Electronics Retailers Coalition (CERC) have made a new tip sheet available for digital television (DTV) retailers to reproduce 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.
Version 2/27/2008 | 74 |
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