How is HDTV different from Analog television?
High definition television is one of many forms of digital television. Digital television (DTV) is a new type of broadcast technology. It works in ways similar to a computer by using “data bits” to transmit the information used to make a TV picture and sound. Analog television is the traditional way television is broadcast. In 1996 U.S. Congress authorized distribution of an additional broadcast channel to each TV broadcaster so they could introduce DTV service while simultaneously continuing their analog TV broadcasts. Last year Congress set February 17, 2009 as the deadline for transition to digital television. Why is Analog Television being discontinued? Digital television creates better picture and sound while being more flexible and efficient than analog. The elimination of analog broadcasting frees up the broadcast spectrum. This means more space for public and safety services, such as police, fire and wireless services. DTV allows broadcasters to provide high definition (HDTV) p
