Getting Better Television

Why Satellite is Better Than Cable

There are a lot of differences between the satellite and cable companies. They may appear to be similar but in reality there are a lot of reasons to choose satellite over cable. This article will go over a few of these reasons and while they are important.

The first reason is price. Satellite companies have not had to invest in millions of dollars of cable and infrastructure that the cable companies have. Because of this they have lower costs and because they want to remain competitive they will always beat cable prices even if it’s just by a little.

The second reason is because satellite is the only provider which can offer true HDTV. Cable is only capable of delivering around 900 lines of resolution. Satellite on the other hand because it is a truly digital service is capable of supporting the full 1080 lines which is the capacity of most modern televisions.

The third reason is that with a satellite company you will own all your own equipment. This means that after your initial service agreement is done you will own the satellite and all the receivers. Even if you switch your service to another provider you can store this equipment and get a better price the next time you use that same provider by using it.

The fourth reason is that the channel selection is so much better with a satellite company. The satellite companies have been better about negotiating deals with the individual networks and therefore have a much better selection of channels than the competition.

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Television Terms - What’s the Difference Between HD and Plasma Screens?

Television is now making huge changes. The most obvious change in recent years is the transition from analog to digital broadcasting. This transition means only changing the way television channels are distributed over terrestrial network. The old approach that worked for decades was using one analog transmitter to broadcast one TV channel using analog transmission technology. The new approach uses digital transmitters that broadcast a package of services (including many TV channels) called multiplex. The main reason for this change is efficient use of radio spectrum. This is a limited resource and therefore needs to be used efficiently. The other reason is implementation of new services and technologies that were not possible using analog broadcasting.

The first major difference is the picture resolution. The old analog TV is considered as a standard definition television (SDTV). This means that the picture has 480 lines (USA, Japan) or 625 lines (Europe and many other countries). Unfortunately only about 90% of those lines are visible on the screen. This low number of lines (and consequently low number of columns or pixels in each line) limits the resolution of the television picture. The latest trend is broadcasting high definition television (HDTV) picture which contains more lines and provides better picture with more details. HD television is only possible with digital broadcasting. This new technology together with more TV channels using the same frequency bandwidth is the biggest advantage of digital broadcasting.

HD means that the television picture contains 720 or more lines. The best HD picture contains 1080 lines and each line has 1920 pixels or points. This resolution is called Full HD. There are also other HD standards that have the number of lines between 720 and 1080. There are two variants of the HD picture: interlaced Read the rest of this entry »

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