Why Is Digital TV Better Than Analog TV?

To believe this one should watch both of them and feel the difference on their own. The quality of picture and sound are of high quality which gives you ultimate excitement and satisfaction while watching your favorite programs. Digital TV compresses images which help to broadcast multiple channels at a same band width. Whereas Analog which is generally called as SDTV uses magnetic waves to transmit and display pictures and sound which has been traditionally used. The special features available in Digital TV is surround sound, crystal clear pictures, sharper pictures which is all requires for the latest evolution of television the High Definition Television.
Compared to the analog the SDTV is significant as it provides more channels from the same station. If you observe the analog broad casting you will find that it is a hassle the capacity to accommodate only a few stations. Where as with digital it contains more information than the analog.
If you already have an analog set and wish to upgrade it to a digital one its possible by using digital tuner decoder though it will display the high quality pictures as provided by the original digital sets. In today's market you find digital quality sets are available and the best news is that their prices have decreased.
The cable providers always do not supply with digital cables which digital signals. As such cables do not meet the standards when a digital cable is connected to a digital TV it will receive only analog signal, thus eliminating the advantages of a digital television. A solution for this is the digital quality pictures provided by satellite service providers.
Digital TV is used for the latest innovation in entertainment the HDTV. Here you get to watch pictures in a wider screen with more clarity than in analog sets. The picture quality and the audio clarity are far better as compared with the analog.
If this revolution from analog to digital continues what about consumers who have analog system is a question which ponders the minds of many.For this a transition period has been set up and that is through the year 2006. If necessity requires then that can be extended too.

Articles by: Mitch Medford

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HDTV – HDTV Explained

You have probably heard of HDTV but you may be confused by all of the new terminology.The maximum resolution on a standard analog TV is 720 X 480 pixels, which is about 337,000 total pixels. HDTV is part of the Digital TV specifications which has many different video resolutions. The two main resolutions to be concerned about are 720p and 1080i. The "p" means progressive and "i" mean interlaced, in both resolutions every second has 60 frames of video.
Progressive resolution puts 60 full frames on the screen every second. Interlaced resolution puts 30 frames of only odd lines and then 30 frames of only even lines up every second. Some people find that the interlaced video causes flickering.
The 720p video resolution is 1280 X 720 pixels, which gives 921,600 total pixels and the 1080i video resolution is 1920 X 1080, which gives a huge 2,073,000 pixels.
It is personal choice as to which resolution you prefer, the best way of finding out is to go down to your local retailer and look for yourself.
The sound on HDTV will sound better than it did on your analog tv, some HDTV programs include Dolby Digital 5.1 surround sound, but you will need the relevant speakers to be able to take advantage of this.
You will have to buy a new HDTV. Some HDTVs come with built-in tuners, while others do not. The tuner converts the signal into something that your TV can recognize. HDTVs that do not come with a tuner are commonly called "HDTV Ready." An HDTV without a tuner is worthless.
It is possible to view HDTV on your pc, you can do this with ATi HDTV Wonder, it comes with its own antenna to pick up airborne HDTV signals, it also has inputs for cable and satellite signals. A benefit of this is that you can play and record any show you want on your computer.

articles by: Lucy Bartlett

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Digital TV – What You Need To Know.

Digital TV is on it’s way. Do you know what you need to do? Are you prepared? Find your answers here.
Your traditional television is known as an analog (analogue) television. It works by encoding the picture and sound information as an analog signal. The picture on an analog television is drawn on the screen one entire frame at a time. The analog signals are transmitted continuously even if there is no new information to send.
A digital television receives information as a digital signal. This is an entirely new technology and will eventually replace the analog television system.
The digital signals are transmitted using computer code, which consist entirely of ones and zeroes. This is a difficult concept to perceive but it works. Digital signals are much more efficient, result in less interference and therefore it provides a better quality picture and sound than analog.
Another significant feature of digital television is that is uses a significantly smaller channel bandwidth. This means there is more ‘space’ for other digital channels which will allow other non-television services such as pay-multimedia services, multicasting (more than one program on the same channel), electronic program guides and interactivity to be used at the same time.Whilst digital television often has superior audio quality, image, and reception than analog, it is still in the early stages of development and there are still many advances needed.
As with most things in today’s modern society Digital Television comes in a couple of quality levels:-
Standard Definition TV (SDTV) – This is the basic level of digital television transmission. It has a quality similar to today's analog TV;
Enhanced Definition TV (EDTV) – This gives a better level of quality and includes Dolby digital surround sound;
High Definition TV (HDTV) – This as the name suggests gives the best quality digital picture and Dolby digital surround sound.
Currently, most TV stations in America are broadcasting digital and analog. This means that you can view your favourite TV shows no matter what type of TV you have. However, after the 17th February 2009 the full-power TV stations will no longer be able to broadcast in analog.
And if you have an analog TV you will not be able to view the shows unless you obtain a separate digital-to-analog converter box or a new digital TV.
The National Telecommunications and Information Administration (NTIA) will sometime at the start of 2008, issue qualifying households with $40 coupons towards the purchase of a converter box. For more information on how to qualify go to www.ntia.doc.gov.
Bear in mind though, that an analog TV connected to a digital converter box will display the digital broadcasts but not in full digital quality.
Digital TV will be (and is now) available over the air using a standard antenna or via digital cable or satellite. No matter how you receive your TV signal (satellite, cable or over-the-air), you will need the digital converter or digital TV to watch the programming

Read more articles by: Adam White
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How Do I Get the New Digital Television on My Old TV Set?

The time is coming near, as each day passes it is getting closer to February 2009 and that is when analog TV transmissions will no longer be used by any of the television stations. The programs on television channels will be broadcast in a digital signal and that means people who are using rabbit ears need to make a change soon. So, the question is how can the digital signal be transmitted to an older television and there are several answers to that question.
The first answer is that a special converter box can be purchased to use with your older television set in many of the stores. There are some drawbacks with this digital tuner box; one of them is as February gets closer the boxes become more expensive. The other reason is by purchasing this box you will be keeping the same local channels with the same infomercials.
That is why many people are now looking at their options and these options are using a cable television provider or a satellite TV provider. Cable television is only available in certain areas, that leaves satellite TV with a provider like Dish Network, because anywhere that there is a view of the southern sky satellite TV is available. Cable television providers use fiber optic cables that are expensive, this is why cable television is only in more populated areas. Even in populated areas there are many advantages having satellite TV, with a provider like Dish Network there are many packages to choose from and HDTV receivers for high definition programming.
High definition programming is that crisp clear picture that brings the program right in the room and Dish Network has more HDTV channels and programs than free TV or cable.
This is going to happen, the government and the local television stations are making the public well aware that after the date in February the switchover will take place and without a converter box free television will not be available because their will be no analog signal. Digital transmission is a more reliable type of programming that can be sent clear and more information can be sent than with analog transmission and this is the reason for changing.
Anyone who has been watching television with rabbit ears for free now will need to start making choices and with dish tv as a choice there will be no need for a converter box and there will be programs on worth watching even after the late show. This is something that anyone knows who watches their local channels after the late show if your not tired you will be watching infomercials. Even with your old TV you can get a clear picture when you have dish TV without adjusting the rabbit ears because there are receivers that will hook right up to the old TV and bring in programs in the digital transmission without any need to adjust the antenna.
Change is good and satellite TV is also a choice that can make everyone in the family happy with the programming available.

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