Digital Television or DTV is a new technology that will replace today’s analog television system. DTV is more efficient and more flexible than the traditional way of broadcasting known as analog. Digital television allows higher-quality images and sound and more programming choices than analog television does. However, a digital signal does not necessarily carry a higher-quality image or sound than an analog signal.
DTV enables broadcasters to offer television with better picture and sound quality., DTV makes it possible for stations to broadcast multiple channels of free programming all at once, called multicasting, instead of broadcasting one channel at a time. DTV technology can also be used to deliver future interactive video and data services that analog technology can’t provide.
DTV offers several broadcast options, two of which are considered to be HDTV formats. Some of the more common DTV standards include:...