What You Should To Know About 3D TV
How many of you are looking for a new 3D television? You’ll find many 3-Dimension TV models in the market. You may have seen lot of adverts of the new 3-dimension TVs. How exactly these televisions work and what are the factors you must know? See this article to find out more about 3-dimension Television and its working principle. Before you go and choose a 3D tv from the store see how the 3-dimension TV functions and how it creates 3-dimensional images.
Type of 3D Television Models
Plasma 3-Dimension TV: At present this type of 3D Television performs better since plasma produces light and the refresh rates of current plasma TV models are much superior. See Panasonic TC-P50GT25 review online.
LCD 3D Television: Liquid crystal display HDTV versions also have their 3-dimension Television editions nowadays. Check Toshiba 55WX800U review for LED 3-Dimension TV.
How 3-dimension TV Operates?
In case of 3-dimension TV, each eye is presented the same scene shot from slightly unlike angles. When your brain combines these slightly different shots it will appear three-dimensional. The 3-dimension TV video requires different tv camera to capture the object and also different display technology on the television.
One can find mainly two 3-dimension glass types. Active glasses and Passive glasses.
Passive Spectacles:
The older Anaglyph passive spectacles got 2 opposite color lenses (red lens and blue lens) to filter out the images on the television display screen. The 3D TV will display 2 pictures one with red tint and other blue slightly offset from each other. When a person view the 3-dimension TV through this type of eyeglasses the blue lens absorbs all the blue light from the TV and as a result will not let you to see the bluish pictures on the screen. Becasue each eye sees a dissimilar angle of the same scene the brain creates 3D view.
Modern passive spectacles employ poliarized glasses that work on the same principle we mentioned above. Rather than using two sets of images with dissimilar colors, the polarisation technique modifies the waves of light the spectator watches. Nonetheless passive glasses got few problems. The anaglyph spectacles falsify the color of the objects in video display. The polarized eyeglasses on the other hand demand you to coat your tv display screen with a specific polarizing film first.
Active Glasses :
Active spectacles as the name suggests got a real active part in viewing the 3-dimension picture and requires power source attached to it. The active spectacles alternately opens and shuts the vision of each lens to present each eye a dissimilar picture at any time. This signifies that the 3D eyeglasses need to be synchronized with the 3-dimension television display. This kind of 3D spectacles utlizes LCD lenses to manipulate the vision of each eye and utilizes infra-red technology for synchronising.
Active 3D eyeglasses don’t hinder the video display of colours and thus provides high image quality. Nonetheless they have few disadvantages as well. Unlike in case of passive 3D eyeglasses, the 3-dimension Television that employs active spectacles will display only one set of image on the screen at a time and will rotate the pictures showed to each eye at half of the number of frames. For example with 30 frames per second each eye will see only 15 frames of pictures each. This will effectively reduce the number of frames per second into half and will affect the smooth movement of the video particularly in rapid action videos including athletics.
For more info on three-dimensional TVs read how 3D TV works here.
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