Kamal asked:


Introduction

HDTV technology was first introduced in the US during the 1990s by a group of electronics companies called the Digital HDTV Grand Alliance. HDTV is capable of "theater-quality" audio because it uses the Dolby Digital (AC-3) format to support "5. HDTV offers a degree of clarity that is much closer to this. HDTV can be recorded to D-VHS (Data-VHS), W-VHS (analog only), to a HDTV-capable digital video recorder (for example DirecTV’s high-definition Digital video recorder, Sky HD’s set-top box, or TiVo’s Series 3 or HD recorders), or an HDTV-ready HTPC. HDTV is just one part of the DTV transition. HDTV is best viewed on a new high-definition television. HDTV requires an HDTV tuner to view and the most detailed HDTV format is 1080i.

Definition

The term "high-definition" can refer to the resolution specifications themselves, or more loosely to media capable of similar sharpness, such as photographic film and digital video. High-definition television (HDTV) potentially offers a much better picture quality than standard television. NTSC system, established in 1941, were high definition only in comparison with previous mechanical and electronic television systems, and NTSC, along with the later European 625-line PAL and SECAMs, is described as standard definition today.

Television

While some early analog HDTV formats were broadcast in Europe and Japan, HDTV is usually broadcast digitally, because digital television (DTV) broadcasting requires much less bandwidth if it uses enough video compression. To get a better picture HDTV televisions require a High Definition (HD) signal. As of 2007, broadcasters may demand, or cable-television operators may elect, to place HD signals in a premium band that requires higher cable fees. HDTV has at least twice the linear resolution of standard-definition television (SDTV), thus allowing much more detail to be shown compared with analog television or regular DVD.

Resolution

It should be noted that while HDTV is more like a theater in quality than conventional television, 35 mm and 70 mm film projectors used in theaters still have the highest resolution and best viewing quality on very large screens. Digital NTSC- and PAL/SECAM-like signals (480i60 and 576i50 respectively) are transmitted at a horizontal resolution of 720 or 704 "pixels". In Australia, the 576p50 format is also considered a HDTV format, as it has doubled temporal resolution though the use of progressive scanning. For example, you can get a 72" projection HDTV that has 1920×1080 resolution from $2500 to $5000 depending on the brand and model.

Satellite

Satellite services and a Cable TV providers are providing an increasing number of HDTV feeds. Satellite-based TV companies, such as Optimum, DirecTV, Sky Digital (In the UK and Ireland) and DishNetwork, offer HDTV to customers as an upgrade. To receive an HDTV broadcast you need either a TV with a built-in HDTV tuner, like this Panasonic plasma HDTV, an HDTV receiver which can pick-up off the air HDTV channels, cable HDTV, or satellite HDTV receiver like Dish Network HDTV and this DirecTV H10 receiver.

Technology

While high definition has become a reality for many consumers, the technical jargon associated with this exiting new technology is causing much confusion. Through the evolution of display technology, a new television has emerged; so totally different, a new TV ‘paragon’ has been created. it doesn’t require a degree in TV Technology.

In addition, lack of enthusiastic co-operation between broadcasters, cable/satellite providers, and manufacturers has injected further confusion for retailers on how to sell HDTV and consumers as what products to buy, how to use them, and to what programs are actually available in HDTV. On the other hand, a very high resolution source may require more bandwidth than is available in order to be transmitted without loss of fidelity.

To watch high definition television or HDTV you will need three things: A Satellite or Cable program subscription to HD Programming; An HDTV Satellite Receiver or Digital Set Top Box; A high definition television set (HDTV). But beyond all argument, HDTV offers the ultimate in TV Picture Quality. We believe you’re interested in what you need to know, to buy and enjoy a Digital-HDTV – NOT, how to build one.



Renu

David Tanguay asked:


In the not so distant past, it was not unusual to have a hard time hearing the volume of a plasma TV over the buzzing of the units cooling fans at work. These cooling fans were functioning regularly as the obsolete plasma TV could produce heat hot enough to cook eggs. It is no wonder that most of the early model plasma TV have already retired.

Many different technologies have been at work to create improvements in today’s technology. These innovations have brought the life spam of a plasma TV to be calculated at 20 to 25 years for normal viewing patterns.

Normally a plasma TV has a half-life between 30,000 to 60,000 hours, meaning that the unit will loose around fifty percent of its brightness during this time of service. For instance if a plasma TV was left on for eight hours a day the expected half life would range about 9 years. If however the plasma TV were left on for only 4 hours daily, then its half life expectancy would range near about eighteen years.

When considering the loss of brightness in TV screens the fact that a traditional TV looses approximately thirty percent of brightness after use of about 20,000 hours. This loss of light is so gradual that a viewer may not be aware of the effect other than to occasionally fine-tune the levels of brightness and contrast options to make up the difference.

When a plasma TV looses its light to dimness, various models present the option of replacing the light source, thereby renewing the unit’s .life span

Plasma TV life span extension tips.

1. Use wide screen formatting as often as possible. The use of wide screen viewing insures that all pixels have opportunity to work.

2. Brightness levels need to set as low as possible for viewing pleasure. Using the higher brightness levels strains the pixels and phosphors, which decreases the plasma TV’s life span.

3. Always, take care that the plasma TV is in a well-ventilated area. Keeping the unit cool cuts down on the energy it takes for cooling, reducing the need for internal cooling fans and it also aids the phosphors in longer working time.

4. Do not let static images sit on the units TV screen for any length of time. Seven to ten minutes is about the longest that an image should be left to sit on a display screen. Image burn in and ghosting effects will cause the TV screen to wash out. DVD’s should not be left on pause for more that 20 minutes.

5. When interior light is dim, always use a lower level of contrast. The use of lower leveled contrast or picture options will help extend the life span of a plasma TV. Normal interior lighting calls for no more than sixty percent a contrast level.

6. Remember that factory settings are always set higher for best viewing in a show room. Once at home, the setting options of contrast and brightness should be adjusted for home entertainment viewing.

7. Stay away from off brand plasma TV units or accessories that are not manufactured as well built or engineered as good brand name products. These may be cheaper, but in the long run, you get what you pay for.

8. When not in use turn your plasma TV off.

9. Keep small children away from a plasma TV.

10. Never, mount a plasma TV from the ceiling facing down.



Tammi

Cristi asked:


Consumers can either shop online or at retail for plasma TVs, but there are a few ways to ensure that, no matter where you purchase, you will get exactly what you paid for. With the internet auction craze gaining in popularity, consumers should be aware that if something sounds too good to be true, then it probably is. Low pricing for such expensive technology is just one of the red flags that consumers should be wary of. Warranties, when offered, sometimes require consumers to return the television at their own cost and may not even be an American warranty. Anytime a consumer deals with online auctions, they should purchase only from a reputable dealer after researching feedback and asking questions prior to getting locked into a purchase agreement.

When shopping for plasma TVs, consumers should also watch for very low pricing with extremely high shipping fees. With any electronic purchase, consumers can expect to pay larger shipping, but only within reason. Again, this is a situation that outlines the importance of only buying plasma TVs from a reputable online or local dealer.

Before making any purchase, including that of plasma TVs, always check out the business’s reputation with the local Better Business Bureau in their area. Any reputable business should always provide contact information, including a physical address (not a post office box), a telephone number and e-mail address. If communication is lacking or telephone calls go unanswered, consumers are urged to consider purchasing very carefully. If purchasing plasma TVs from a business that fails to answer their phone, or return calls, customer service after the sale will certainly not improve.

Before purchasing plasma TVs, learn about the company’s return or exchange policy. What happens if the unit is damaged upon arrival or begins to show a problem after minimal use? With such an investment, consumers should always make themselves familiar with a company’s customer service policy before purchasing anything. In addition, avoid any salesperson who is pushy or seems overly anxious to make the sale. This is a sign that something may be wrong and they are trying to sell as much as possible in a hurry. Even if the business is legitimate, a rushed sale is never a good idea in any situation.

If you ultimately decide to purchase Plasma TVs online, do it with a credit card. This will enable you, the consumer, to reserve your right to file a dispute with the credit card company if the product is not as advertised, is not delivered or the company refused to honor their agreement to repair the product. The majority of credit card companies allow their customers to file a dispute, in writing, regarding a purchase that was made with their credit card. This dispute must outline a variety of factors, including the date purchased, the total purchase price and the circumstances leading up to the dispute. Upon receiving notification of your dispute, the credit card company will investigate the complaint and typically refund the money back to your credit card.



Laurence

Kozsun Huseyin asked:


Since Sony corporation began, Sony has been committed to bringing the world the best in technology for the home. Having made contributions in consumer technology, we now have access to the Sony High Definition TV set range, one of the best in HDTV technology.

Sony has been a leader in electronics, and Sony is certainly well-known for its introduction of the Walkman. Sony has been leap years ahead with its technology in TV sets. And the Trinitron technology has filtered through the years, improving to ‘WEGA’ technology. Sony now brings us the Bravia range of HD TVs.

The Sony High Definition TV set range is another commitment from Sony to be committed to its Sony style way of working. Sony High Definition TV set comes in several elegant models, all designed with the very best in technology, while also offering a HDTV which looks great in your house.

When the Sony High Definition TV set first was released the range of Sony High Definition TV set products was priced beyond which most would have been willing to pay. However, as people like you and me have seen the benefits of HDTV technology, more and more people have purchased a Sony High Definition TV set. This has worked to our benefit, as the prices of Sony High Definition TV set have reduced in price, and finding a Sony High Definition TV set at the best prices is fully possible.

Sony High Definition televisions (formerly named the Wega) are some of the company’s most recent products, and you’re sure to find a Sony High Definition TV set that’s right for you! Although these Sony LCD HD TVs were initially somewhat high-priced, they are somewhat more reasonable now. The Sony Bravia KDL-V40XBR1 is a 40-inch model that retails for close to $2200. Regardless, they do provide some of the best pictures that you can get on a LCD TV. Although LCD HD TVs may not quite be able to compete with plasma HDTV, Sony has certainly done a nice job with the rebranded Bravia line. At a major HDTV review site, the Sony Bravia KDL-V40XBR1 HDTV got a rating of 7.7 from the editors on a ten-point scale. The Sony High Definition TV set KDL-V40XBR1 also had an average user rating of 8.4 (from 87 users).

::: Where To Buy A Sony High Definition TV set? :::

You can buy a Sony High Definition TV set set from many places. Local electrical stores stock Sony Bravia range of HD TVs. Also online many places sell the Sony High Definition TV set range of HD TVs.

Online you may be able to make a bigger savings on a Sony High Definition TV set, allowing you to get the best prices for a Sony High Definition TV set set. Always make sure that the online HDTV store can deliver to your location, and make sure you factor in all the costs of delivery.



Win

Art Gib asked:


Plasma televisions are becoming more and more popular in American households because of their amazing picture quality. Most people who are looking for a serious home theater start looking at plasma HDTV’s. Compared to LCD TV’s, they have much richer colors and the black and dark colors are much blacker. There are several advantages and disadvantages of owning plasma television. Learn the pro’s and con’s before you head out to the store.

Advantage #1 – Picture Quality

The main reasons people choose plasma over LCD, rear projection and front projectors is the picture quality. Because of the plasma technology, the colors displayed by plasma TV’s are superior to those of any other kind of television. Many people think that when the color black is displayed on their TV that it is actually black. However, most TV’s can’t actually display blacks. They are just dark shades of gray. Plasma TV’s produce very black blacks because of the plasma technology.

Advantage #2 – Screen Size

Plasma TV’s start in the 42 inch and higher range. If you are looking for a large TV, there are plenty of plasma options. LCD screens range from cell phone screens clear up to 65 inch televisions but a large plasma TV is typically a better buy than a LCD TV. If you are buying a plasma TV 50 inches or great, make sure you get a HDTV with 1080p resolution. 1080p is the highest possible resolution and if you are viewing a large screen TV, you will actually see the difference between 1080p and 720p. If it is a smaller TV, the difference is hardly noticeable and not worth the extra money.

Disadvantage #1 – Cost

Plasma TV’s are typically the most expensive televisions on the market. They used be nearly double or triple the price of similar LCD HDTV’s. The prices are slowly dropping due to advances in technology but you will usually pay more for a plasma TV than the same size in a LCD or rear projection television. Plasma TV’s also cost more to run because they require more power and electricity. It isn’t a major difference but over the course of a year, you might pay an extra couple hundred dollars in electricity bills.

Disadvantage #2 – Screen Size

Because plasma’s aren’t usually available in less than 42 inch screen size, you can’t get a smaller TV if you are limited to a certain size. Most flat panel owners are looking in the 30 and 40 inch range and you will find your options are somewhat limited if you are looking for a plasma television. If you are buying a smaller screen, you don’t have to have 1080p resolution. Many new TV’s come with 1080p but if you have the choice, a 720p might save you some money and you won’t even notice the difference.



Payroll

Hamza Davis asked:


Zenith 42 Plasma HDTV sets, also known as plasma HDTV displays have been obtainable for several years; however, they are more popular than ever today. The outstanding reason for the recent boost in popularity of Zenith 42 Plasma HDTVs is that they used to be very expensive, but now, since a lot of manufacturers are making them, the competition has grown and the cost of the plasma televisions has decreased. Another reason for Zenith 42 Plasma HDTVs increased popularity is the fact that the technology has drastically increased the life of plasma televisions. In the infancy of the plasma televisions, the lifespan was only 30,000 to 40,000 hours. With the multitude of new technologies that have helped to boost the lifespan of plasma televisions, nowadays, the common plasma television life span is just as impressive as the picture.

Unlike the usual television screens, the Zenith 42 Plasma HDTV screens are real space savers! Models can be hung on walls, or set on primary stands that are built for plasma televisions. When switched on, a plasma television can dominate a room, but when switched off it can become an unobtrusive wall hanging. The viewing angle of the Zenith 42 Plasma HDTV is 160 degrees so it shouldn’t be a headache viewing the television from several locations within the room.

Bounteous newer plasma televisions have a set of excessive trait speakers attached on both sides of the screen. Although the built in speakers are sufficient enough to meet the needs of most causal television viewers, those that watch a lot of television or those who like the experience television or movies in full movie theater feature often prefer to add a home theater surround sound system to their Zenith 42 Plasma HDTV.

The advertisers often talk about the allowances of having a plasma television at home but what they do not usually mention is what a plasma television really is and the technology behind it.

Plasma television provides a higher resolution than any other type of television monitors. A Zenith 42 Plasma HDTV screen takes in literally millions of gas-filled cells (each one acting as a single equivalent pixel) trapped between two pieces of glass. The most lavish and the most powerful plasma televisions can display over 16 million contrary colors.

A Zenith 42 Plasma HDTV contains transistor electrodes. Instead of operating as a emanation of a laser hitting every single pixel like a traditional tube television, a plasma television is built with single transistor electrodes at each pixel. That is the reason why plasmas can be so small in size; you don’t need the massive space behind the television to accommodate an electrode gun. The picture on a Zenith 42 Plasma HDTV is a offshoot of each pixel varying in intensity to produce a unequal color, with this happening to every pixel a picture consisting of millions of pixels is produced.

No matter if you’re interested in the technology behind plasma televisions or not, if you’re looking for a exorbitant element television that won’t take up a lot of space, Zenith 42 Plasma HDTVs are the way to go!



Vance

David Tanguay asked:


Just as with nearly everything else, there are myths circulating about lightweight, flat panel Plasma TV screens. Understanding the myth of plasma screens and high altitudes has to do with knowing that plasma screens were developed to perform their best located near or at sea level altitudes. Therefore, it makes sense that a plasma TV would have to work harder at higher altitudes to compensate for the difference of exterior pressure.

This compensation results in the generation of heat, which in turn turns on the screens built in cooling fans, which may or may not be included in any particular system. If the Plasma TV screen has cooling fans, they usually transmit a reverberated hum. Hearing a definite buzzing sound signals that the plasma TV does have cooling fans. It is also understandable that the life span of a plasma TV be to some extent shortened.

However, some plasma TVs shows resilience in running at paramount condition of up to 5000 feet, which is pretty good. Technology works every hour developing new innovations for our use. If they can hang Plasma TV’s on the wall, they’ll soon be hanging Plasma TV’s on the walls atop mountains.

Talk with your local dealer over information concerning high altitudes, and be open to buying an LCD or DLP with thin flat screen panels, if there isn’t an available plasma TV for your location. Remember the more an item is requested, the more likely the demand for that item will be satisfied. Your local plasma TV dealer would have the most up to date information concerning these and other issues, so be sure to ask.

Understanding the myth of leaking plasma TV’s, has to do with knowing that it is not possible for gas to leak from its sealed pixel celled structure. Each element of the plasma screen is separate from the others by being sealed as well as the changing plates are sealed. When an unusual amount of pixel space of the screen display goes dark it is not possible to just fill it up again. Plasma gas does not refill, the complete panel should be replaced.

Understanding the myth of Plasma TV’s adaptability with an old VCR has to do with knowing that made for consumer use plasma TV are adaptable with an old VCR which has a component video outputs, AV and S-Video. Unfortunately, VHS is to slow in resolution with an inconsistent and poor color quality for entertaining pleasure on a Plasma TV.

Understanding the myth of Mercury poisoning has to do with knowing that you are more likely to come in contact by eating fish with traces of mercury weekly, than to have a reaction to a scant amount of container filled mercury of a TV viewing screen.

Understanding the myth of energy use has to do with knowing that studies show that the energy use of both the Plasma and LCD TV’s function more or less the same.



Katja

saichon sannok asked:


More than happy-Panasonic TX-P37X10B 37-inch Widescreen HD Ready Plasma TV

For stunning picture quality a plasma TV is the natural choice. Panasonic VIERA plasma TVs are renowned for their outstanding picture performance especially in regards to sporting events, action movies and gaming content.

Best motion picture reproduction

Watching TV is about moving images rather than still images. A still image in high resolution looks brilliant on almost any HD TV, but when the images are moving, you can see a clear quality difference as many TVs have difficulties to display fast moving contents without motion blur.

All Panasonic plasma TVs are equipped with 100Hz technology. This superb technology doubles the output frame rate, meaning the gaps of time between image frames are lessened. The more frames inserted, the smoother the overall imaging will be for the human eye. The 100Hz technology is a major benefit to you as it aids in creating flicker-less moving images.

Like a previous reviewer I won’t go into detail because the good reviews are 10 a penny! Just my one tip – if when watching sky you find the banners are a little pixelated (especially the yellow areas) then find ‘3D comb’ in the picture set up menu and turn to on. Makes a big difference. This TV really is a top bit of kit. It’s much better looking than it appears in the pictures too, the bottom of the set looks dull but it’s actually shiny all over apart from a thin line running widthways beneath the brand name. I’d recommend it to anyone

Read More : www.plasmahdtvbest.com



Kaitlin

L Chan asked:


HDTV: Reasons For Getting It

As soon as supporters of HDTV introduced it back in 1998, word spread that people would have a radically new TV viewing experience. With high definition television, you would be watching your favorite TV shows with improved picture quality and hear it through digital surround sound that made you feel as though you were part of the scenes.

HDTV: What Is It?

HDTV surpasses regular analog television technology. With HDTV you’ll notice crisper and clearer images that your older analog television can’t match. With the older analog technology, the television receives wave signals on the air. The quality of the picture is diminished when these signals are converted to the screen. Signals to LCD HDTV or plasma HDTV are sent digitally, without losing the overall quality of the images received.

HDTV: Function and Benefits

The US is phasing out analog broadcasting and replacing it with digital broadcasting. When the deadline arrives in 2009, your analog TV will not work, unless it has a converter. Right now, your analog TV set will still work so you might be wondering why you would want to have an HDTV right now:

The picture quality of HDTV is better and you can see tiny details even on bigger screens.

HDTV multicasting allows stations to broadcast several programs in one line.

Viewers can participate in shows or movies, which have interactive content, such as games or contests.

HDTV will use the entire screen to display its signal, whereas analog sets use only every other pixel line.

You can expect to see all the brilliant colors and images from channels that broadcast HD.

HDTV Problems

Some HDTV models are quite expensive. It’s impossible to get High Definition programming through your older analog television. However, new televisions are built to be able to receive HD signals. If the television you buy doesn’t have a built-in tuner, you’ll need to look at HDTV antennas or HDTV tuners.

Shopping For An HDTV?

It’s best to see HDTV for yourself. By studying HDTV reviews and listening to only good buying advice, you’ll soon be enjoying a new way of watching television you’ve never seen before.

Copyright (c) 2006 by Leroy Chan



Trisha

Dhiraj Bandurkar asked:


Plasma HDTV

Change the way you used to watch the television with the new TV on the block that has made the conventional analog television sets run for their survival. We are talking about a plasma HDTV. It’s a new technology that has altogether changed the whole scenario. The High Definition Plasma Television is here, that is what popularly known as Plasma HDTV, that has given a new dimension to the TV watching experience. But, is the technology worth of receiving so much of praise. In this case you have to see it to believe it. As the name itself reflects, the HDTV is a high definition TV that changes the picture quality by bringing more life to it and thus has many advantages over the conventional analog TV set.

Lets talk about what you get when you go in for the Plasma HDTV.

Much Higher resolution: this is where the Plasma HDTV can beat any competition coming its way. Compared to the conventional TV sets, the Plasma display devices have much higher resolution, and are capable of displaying full HDTV and DTV signals as well as XGA, SVGA and VGA signals from a computer.

Elimination of scan lines: Contrary to the Plasma TV the conventional TV monitors use an electron beam to scan the picture tube at regular intervals that may produce the scan lines, in a standard NTSC TV. Plasma displays in this case, include built-in line doubling to improve image quality when switched to standard analog video sources such as TV broadcasts and VCR tapes.

Exceptional color accuracy: Another great advantage is the exceptional color accuracy that is achieved through displaying 16.77 million colors that can bring any picture to life.

Wide-screen aspect ratio: To bring back the experience of watching films in theatre, Plasma display devices have a wide-screen 16:9 aspect ratio, that allows the DVD-Video movies to be viewed in wide-screen format.

Perfect flat screen: is another biggest advantage with Plasma screens. This helps to eliminate the edge distortion that can occur in normal displays.



Uniform screen brightness: the realism can be achieved with this factor that also helps in soothing the eyes with the plasma displays illuminating every pixels evenly across the screen.

Slim space-saving design: a few inches thin, hag it on any wall you like and it gives you the installation options as never before. Don’t bother about the standalone way if you don’t want to keep it like that. The best part is the can match your décor, and actually increase the style statement of your home.



Wide viewing angles: of 160 degrees allows a larger number of viewers to enjoy perfect image reproduction irrespective of their position in the room.

Universal display capability: makes them include and play a wide video formats. Most of the plasma HDTV ware compatible with composite video (NTSC, PAL SECAM) (standard RCA jacks), S-video and component video inputs, plus one or more RGB inputs to accept the video output from a computer.

Resistance to magnetic fields: as they do not use the electron beams like the conventional TV sets, they are unfazed by the effects of magnetic fields. That is why it can be placed in a close proximity to any device that produces magnetic fields, for instance, speakers.



Kasifa