What is SDTV?
This is archived content from Digital TV Facts. For up-to-date information on the digital TV transition, see the federal government’s site, www.DTV2009.gov.
Standard Definition Television (SDTV) is the base-level format for digital or analog TV. Digital SDTV provides pictures and sound comparable to the best available analog TV.
For more information, see Is DTV the same as HDTV?