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What is HDTV?

Some satellite TV providers, such as Dish Network, offer HDTV receivers with their packages. But many people don’t know what it means to have HDTV. Here is some insight.

Dish Network, Satellite TV, Cable TV, Satellite, What is HDTV

Some satellite TV providers, such as Dish Network, offer HDTV receivers with their packages. But many people don’t know what it means to have HDTV. Here is some insight.

High Definition TeleVision is what HDTV literally means. But high definition compared to what? In order to answer this question, we need to know a bit about the original analog TV system.

Analog TV
30 images per second (in Europe 25) are shown by normal analog TV sets. It does this by writing image lines horizontally, 525 lines in one image (In Europe 625) on the screen. The number of pixels on one line is about 500. This would be a definition of 500 pixels per line by 525 (or 625) lines. Compared to modern computer monitors this is really bad. Even the lowest resolutions monitors have higher resolutions (640 x 480) than an analog TV.

HDTV - High Definition TeleVision
HDTV is high resolution Digital TeleVision (DTV) combined with Dolby Digital Surround Sound (AC-3). There are 18 different formats defined for Digital TV of which 6 are considered to be HDTV.

The difference between Progressive and Interlaced is not difficult. It has to do with how one image is built up. With interlaced technology the odd lines are shown first and then the even lines are shown. The lines are shown in this order: 1,3,5,….521, 523, 525, 2, 4, 6,…. 522, 524, 1, 3, etc. This means that every 1/60 of a second a half image is shown. This often results in flickering, which can be tiring for the eyes.
Progressive technology manages to show a whole image every 1/60 of a second, resulting in a much smoother picture.

How Is HDTV Better?
Normal TV has a resolution of about 210.000 pixels. An HDTV screen has a resolution of upto 2.000.000 pixels, which gives up to 10 times more picture detail.

The aspect ration of normal TV is 4 x 3 (4/3 times wider than high). An HDTV screen has an aspect ration of 16 x 9, which is also known as wide screen.

The Future of HDTV
The FCC (Federal Communications Committee) has mandated that all TV stations in the USA have to be able to broadcast HDTV programs by the year 2006. The mandates of the FCC do not have an impact on just the broadcast companies, but also on cable companies and consumers.

Broadcast companies have to invest on new equipment like cameras, editing equipment, etc.

Cable companies have to convert all of their equipment, including receivers at the homes of their clients.

Consumers may have to buy new equipment, like a top-box to convert digital signals back to analog signals, or even buy a whole new TV set.

HDTV is the future, and a really big step forward. We once started with simple black and white TV, then moved to color TV, and wide screen TV. But all those systems were still based on the same signals as the original black and white TV used. When color TV was introduced it was not possible to force the complete population to throw away their black and white TV-sets and buy a color TV set. Therefore a color TV signal still needed to be understandable for a black and white TV. This prohibited the improvement of picture quality until the age of Digital TV.

The need to satisfy older TV sets no longer exists and the much higher quality HDTV is available via Satellite TV Systems, including Dish Network.

For more free and helpful information on Satellite TV, how to find the best deal, and how to set it up, visit <a href="http://www.dish-network-satellite-tv.ws/">http://www.dish-network-satellite-tv.ws/</a>

 

HDTV Introduction

Are you looking to buy a HDTV? Take a look at our guide to find out what HDTV is about at http://www.hdtv-info-center.com

HDTV, HD, TV, HDTV Program, HD Television

Are you looking to buy a HDTV? Take a look at our guide to find out what HDTV is about.

1. What does HDTV stand for?

High Definition Television

2. What is HTDV?

It is a new technology and way of filming that has a higher bit depth resolution and gives you a sense or realism while watching the program. Sports are one of the leading industries in high definition programming. To film in HDTV requires a special camera.

3. How can I tell if my TV is HDTV?

It should say it directly on the box or with the model number. EDTV is not HDTV! There is another side aspect most people overlook due to pricing schemes and that is pixel depth. The cheaper plasmas and LCD have lower clarity or pixels. Therefore, to buy a great HDTV, you need to look for higher pixel resolutions.

4. Why Should I Buy One?

Because you will never go back, it is like night and day. A true HDTV and HD Television Program are ten times better picture clarity than at the movie theaters. HDTV's also have lots of additional features that standard old televisions do not. They usually have ports for connecting to computers to act as a computer monitor, split screen, more aspect ratios for watching in different formats. Since the cameras have have been improved to record HD programs, they also went ahead and improved the sound recording system and so you have even higher quality sound to go along with the improved picture.

HDTV has been out for a few years now and therefore there are less bugs and defunct screens. In addition, the price has drastically fallen, for around $2000 you can buy an excellent 32-42¡± screen with high resolution and all the extra options.

5. Is there anything else I should know when buying a HDTV screen?

Yes, the cables can be very expensive. HDMI cables, RGB, and others that maximize the picture and sound (which are necessary) can cost between $35-$50 each and you need several. It is not necessary to buy name brand cables, so go to places like radio shack and buy the off brand for half the price. In addition, please research whether you should buy an LCD or Plasma screen, because based on you use and room arrangements you will require one or the other.

To know more about HDTV features and specifications, please visit http://www.hdtv-info-center.com

 

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 resolut...

HDTV,high definition tv,hdtv tuners

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.

Find more information at http://www.whathdtv.info

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