Introduction For years there's been talk about Digital Television (DTV), though it's only been in the last year that manufactures have delivered products to their dealers and networks have started minimal broadcasting of HDTV content. Leading the way, CBS has aired three football games, an episode of Chicago Hope and just recently an episode of 48 Hours. The Los Angeles affiliate, KCBS, provides reruns of existing HDTV programming and high-quality sights of the city on a separate digital channel. On April 26th, NBC made TV history when "The Tonight Show with Jay Leno" became the first show to broadcast nightly in HD. DTV encompasses both the High Definition (HDTV) and standard definition (SDTV) formats. HDTV formats are displayed in the 16:9 aspect ratio with a potential vertical resolution of 1080p (progressive), though 1080i (interlaced) is the maximum scan rate for current TV ...