Plug and Play – Compatibility of Cable TV and Digital TV Receivers; DTV Factsheet; FAQs, Tower Siting, RF Guide, DTV Applications and Buildout Topics; Television Channel numbers; DTV and medical telemetry devices; shopper’s guide; definitions; industry partners, extensive regulatory material.
HDTV uses the same amount of bandwidth (the size of the communications channel) as the current analog system, but with HDTV, about six times more information is transmitted. This capability translates to much better quality in picture and sound. HDTV is the highest quality of DTV, but it is only one of many formats. In addition to HDTV, the most common formats are Standard Definition Television (SDTV) and Enhanced Definition Television (EDTV). SDTV is the baseline display and resolution for both analog and digital. Transmission of SDTV may be in either the traditional (4:3) or wide-screen (16:9) format. EDTV is a step up from Analog Television. EDTV comes in widescreen (16:9) or traditional (4:3) format and provides better picture quality than SDTV, but not as high as HDTV. DTV is a more flexible and efficient technology than the current analog system. DTV can provide interactive video and data services that are not possible with "analog" technology. Converting to DTV will also free up parts of the scarce and valuable broadcast airwaves. Those portions of the airwaves can then be used for other important services, such as advanced wireless and public safety services (for example, police, fire departments, and rescue squads).
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