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It is television or video that gives its viewers a perception of depth. That is, a viewer can feel the depth of different objects while watching TV. The same perception of depth was possible earlier with Stereoscopic TV.

This perception of depth is given to the viewers by providing slightly different views of the same scene, to each eye of a user. By analysing the differences between these two images, the human brain is able to distinguish objects at different depths.

In stereoscopic TV, all the viewers of the scene will see the same view. This is similar to the present IMAX cinemas, which shows 3D movies. The difference between 3D TV and stereoscopic TV is that, different views will see different views of the same scene. For example, in a future cinemas the displays 3D movies with this technology, the viewers will see different views of the scene, depending upon the place they sit, in the cinema.

Of course, you still need to wear the special kind of 3D glasses because the technology that would let us see in 3D is still in the laboratories. However, these are not the same kind of glasses you get given in the cinema, the 3D glasses you use to watch 3D television are a special kind called Active Shutter Glasses.

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13y ago
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11y ago

There are two different 3D TV manufacturers that use different technologies. One is shutter glasses 3d technology which is used by Samsung, Sony, and Panasonic and the other one is cinema 3d used by LG and Vizio.

Active technologies deliver a full HD image in 3D mode whereas Lg's passive system cuts the resolution down to just 540 lines. LG's system is cheap compared to the premium brands so it's worth considering if you are on a tight budget.

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Q: What is 3D TV?
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Does 3d tv only play in 3d?

No, unless you don't watch Direct TV or have 2D to 3D Conversion TV. However, not all the 3D TVs are capable of converting 2D to 3D. Therefore, answer is Yes and No. You will be able to watch TV channels in 3D on 3D TVs like LG but not on such like a Vizio because they don't support 2D to 3D conversion. So check the spec whether there are this feature in the TV before you buy it if you want to watch TV channels like Oprah, American Idol, NFL in 3D. Plus, this conversion feature convert not only TV channels but anything on TV meaning you will be able to watch literaily any contents even downloaded movie from internet, on 3D. I read ESPN and Discovery Channel in 3D are available for 24/7.


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Does 3d TVs make all the movies 3d?

No. Only movies filmed as 3d will produce the 3d effect on a 3d television.


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Most 3D televisions have a 3d emulation frauds. Both the LG and the Visio passive 3D TVs have a 3d emulation feature for 2D sources. It is not as realistic or effective as real 3D.


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