Standard Definition (SD) vs High Definition (HD) pictures?
The definition (detail and quality) of pictures received by your TV is directly related to the type of TV being viewed, and the quality of the TV antenna and cabling system that is connected to it. Most existing television equipment (including common analogue TV sets) already receive what is known as Standard Definition pictures i.e. 525 lines of picture resolution over your (near square) 4:3 ratio TV screen. SD Digital transmissions (which are now being broadcast in all areas transmitting in digital) help overcome most traditional reception problems (such as ghosting) when decoded to your TV via the Digital Set Top Box. The other key benefits of SD Digital (such as DVD/Cinema quality pictures & CD sound) are now a reality for the most basic of TV hardware set ups, together with widescreen viewing on television sets with a 16:9 TV screen format (i.e. Widescreen TVs). Compared to Standard Definition Television, a HD TV image (a feature only available via a significantly more expensive H
