What exactly is digital television?
DTV is a new all-digital system for transmitting, receiving, and viewing higher-quality television images and stereo (surround) audio. What are the goals of digital television? The primary goals are to offer better picture and sound quality through the use of digital signal processing, and to allow the introduction of new digital services such as multicasting (transmitting multiple streams of video on a single channel) and datacasting. The FCC has mandated that DTV signals be freely available over the air in every locality nationwide that has analog television. How do current TV broadcasts and DTV compare to each other? There are some similarities. Both use VHF and UHF broadcast frequencies, although some stations may wind up switching frequencies after the full implementation of DTV. Once the transition to digital TV is complete, TV channels 52 through 69 will be re-assigned to other services. While analog and digital television broadcasts have a modulated carrier wave, the way that s
Well, digital television or DTV will significantly improve television picture quality and increase WTJX’s services over the air. Like computers, which use zeros and ones, digital television will capture and transmit images and sounds in this same manner. Already, almost all electronic data is being transmitted digitally including computers, photography, print telephone services and audio. The main features of digital television are definition television, multi-casting, and data transmission. High definition television will provide sharper images giving you a picture similar to what you find at a movie theater screen, compact disc quality sound and a perfect reception.
