Walking in to buy a television these days can make you feel like you need a degree in advanced technology just to choose what type of television is best for you. If you research on your own different types of TV’s available, you will find much said about plasma screen televisions. Some of it bad, and some good, but looking at the actual test data you will find that plasma screen televisions are a superior value.

A lot of the myths about plasma screens have to do with damage that can happen to the screen when images are left to linger or when the television is turned off. Another concern is that picture quality can lessen when you are watching from other angles in the room. Actual testing done on the quality of plasma screen televisions offers a completely different picture.

The images that linger after the television has been placed on pause for extended periods of time are also called burn in’s because they seem to burn the image into the screen. When you get this effect after turning off the television, it is known as image retention.

Product testing done on plasma screen televisions proves that image retention in the screens generally lasts for less than 24 hours. Even when this occurs it has been shown that it causes no permanent damage to the screen.

The exceptional colour accuracy and black levels in a plasma screen television offer superior picture quality no matter where you are in the room. Testing debunks the claims that the image quality on a plasma screen television decreases when watching from an angle. In fact the testing shows that the plasma screen television offers the highest possible quality in comparison to other types of televisions on the market.

Testing further showed that plasma television screens have better depth and realism in the clarity of the picture image quality. Watching movies on a plasma screen television offers a more accurate representation of what the movie directors had intended their audience to see.

With so much to consider, many people make the mistake of simply choosing the cheapest television that they can find thinking that it will be the best value for their dollar. The truth is, you want to make certain that the quality of the picture is there before you choose solely based on prices. Getting the highest quality product at the best price is the real value.

When looking solely at pricing, you may find that plasma screen televisions are a bit more expensive than other types available for purchase. You will also find, however, that for the extra money you will be getting a television experience that is superior to any other. Check out the facts for yourself before you decide on a new television and you will find that a plasma television is amazing quality at a decent price.

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An Introduction to 50hz tv pictures

A standard PAL television will refresh the picture at a frequency of 50Hz or 50 Frames Per Second (FPS). The Frames Per Second are the number of frames needed to create the illusion of movement. On a 50Hz Cathode Ray Television (CRT), because the picture was produced by an electron scan, there was a visible flicker that could be detected by the human eye.

The Human eye is at occasionally sensitive to this frequency depending on the intensity of darkness, the speed of the image, and the degree of brightness thus you will occasionally notice the picture flicker on a 50Hz TV. The flicker becomes more apparent on larger screen.

How 100 hertz technology originally worked

A 100 FPS (100Hz) television operates at twice the Frequency by creating a copy of each frame and putting it after the one before. As a result of doubling the scan frequency to 100Hz and inserting a duplicate frame this effect is eliminated, as far as the eye is concerned. The consequence of this is to drastically lower the flicker.

100hz on LCD and Plasma tv’s

Plasma and LCD TVs dont have flickering as they dont generate the picture with an electron scan. But LCD TVs are still able to benefit from 100Hz since cpmplex digital circuitry creates a middle image or an extra frame. The TV does this by creating an further frame by means of complex interpolation along with motion compensation calculations to work out what the addition frames and fields look like instead of inserting a copy frame. Therfore the first and second frames are different.

However even at 100 FPS the picture still does not deliver a entirely smooth picture particularly with fast motion images. Some television manufactures attempt to reduce this further by employing digital picture processing. Typically there is still a little blurring on quick moving images but the benefits are clearer and better-defined surfaces, sharper pictures, and smoother movement than is possible from 50 Frames Per Second Plasma and LCD televisions.

i.e. if a football moves ten pixels from right to left between frames one, two and three, the 100 Frames Per Second television will digitally create two added frames between one and two, along with two and three, in which the ball will travel five pixels. This therefore results in a total of five frames in which the ball moves a total of ten pixels i.e. the original frames one, two and three plus the digitally created frames that are inserted in between one and two, and between two and three. The eye thus sees a picture that moves more fluidly than before.

The benefits of 100 Hz

100Hz televisions have a clear benefit of eliminating the majority of ghosting effects now and then seen in LCD TVs. The ghosting effect caused by the next image being shown before the previous one has faded away. Plasma television also benefits from 100hz because the extra middle frame smoothes motion on the screen

Most top manufacturers have now got 100Hz LCD and Plasma televisions including Panasonic, JVC, Samsung, Toshiba, LG, Sony, Philips, Pioneer and Hitachi.

200hz the next generation

A new series of 200 hertz televisions have been launched by Sony which digitally inserts three additional frames between the original 50 hertz frames. Thus fast moving sequences are delivered with a smoother, more fluid and sharper picture than 50Hz or even 100 hertz TV’s.

Reduced seizures for people who have photosensitive epilepsies

Research has proven that 100 hertz televisions can assist in preventing seizures in people who suffer with photosensitive epilepsies when viewing television or playing computer games.

Armadeus Cornelius is an AV enthusiast and expert with nearly 2 decades experience in consumer electronics. His website at www.digitaldirect.co.uk offers 100Hz and 200Hz TVs and a large selection of AV products at low prices. For your convenience you may also find these links useful LCD Full HD 100 Hz and TV 100Htz