The Differences Between Digital and Analogue Television Receivers

Satellite television may have become one of, if not the most important concept of the 20th century and has billions of subscribers worldwide. There has been a recent changeover from analogue satellite receivers to digital receivers in the United States and many people who are currently subscribed to satellite and cable television are wondering what exactly the differences between the two receivers are, and how exactly they will be affected.

Most people are currently subscribes to a "paid per view" television service which simply is one that is encrypted from being viewed by anyone with a satellite receiver. Those stations and consequent feeds that are able to be seen by anyone with a satellite receiver are called "free to air" or FTA programs.

The major difference between digital and analogue television receiver is the fact hat the analogue television receiver uses electromagnetic waves which vary in frequency. The terms FM and AM come from this analogue television service where FM is a representation of "frequency modulation" and can also vary in the intensity which is termed amplitude modulation or AM.

Digital television receivers use a code called the binary code to transmit information, the signal uses a series of 1's and 0's (where 1 means on and 0 means off) to transmit the television information through the airwaves.
Most satellite television providers are currently using the digital system to code and transmit information due to the fact that the information can be encoded much more easily than analogue. The digital receivers are also smaller and much more accurate than their analogue compatriots. Many people are also using digital satellite receivers instead of analogue satellite television receivers due to the simple fact that it is a universal language and is much more easily transmissible and much more easily utilized than analogue television streams.

Many digital television streams are also easily combined into packages by the system administrators and make the system much more malleable than their analogue counterparts. The digital television streams can be placed in to different packages and customized by the user much more easily than the analogue system. This user friendliness along with the inherent intuitiveness of the system causes digital television to have a great advantage over analogue television streams and has caused even the government to ensure that analogue television is phased out to make way for the more advanced technology

References
1.http://hometheater.about.com/cs/beforeyoubuy/a/aahdarcfaq1a.htm
2.http://www.dtv.gov/consumercorner.html