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Ultra HD TV .pdf


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Ultra HD: Do You Need to Change Your TV
Today?
One technology, three appellations (at least)
Ah ... What would the universe of high technologies without an innovative marketing to give them
body? The advent of the next television standard is accompanied without surprise by colossal stakes. As
a result, there was hesitation, and therefore confusion. Yes, we used the verb to the past since;
theoretically, the dice are thrown: the high definition of tomorrow will be called Ultra HD or UHD. The
term 4K, among the first employees, still exists, but it does not entirely designate the same definition.
The number of pixels present in the height of the image, the eye is more sensitive to this dimension is
known as the screen. Most CRT TVs and DVDs adopted the standard definition (SD) in 576 pixels. The
arrival of high definition (HD) in 2005 was initially via what was called HD Ready standards in 720p (p for
progressive) and Full HD in 1080p (become HDTV and HDTV 1080p since 2008). That is where we are
today. Now, this definition is about to be multiplied by 4: double the width and the height. What makes
them 1920 (x 2) x 1080 (x 2) = 3840 x 2160 = 8,294,400 pixels. This definition is called Ultra HD. The 4K is
a special format used in the cinema by professionals.

What is Ultra HD for?
In addition to the obvious interest for best LED TV manufacturer in India to revitalize television sales at
half-mast with a new park that only wants to be formed, there are benefits for the consumer. The most
obvious is the improvement of image quality on large diagonals, where equivalent size pixels well visible
in 1080p will become undetectable in 2160p. In fact, this progress will reduce the viewer's need to
retreat and increase the feeling of immersion, "as in the cinema" (an argument that marketing may
abuse). One can also take this reasoning upside down by saying that the UHD will allow the
manufacturers to propose even larger diagonals without deteriorating the image quality.
Finally, the Ultra HD will theoretically promote the development of 3D technologies without glasses, the
latter based on the deal "loss of definition against the gain of points of view." And in any case, spreading
the Ultra HD in homes comes in a certain logic, since today most modern productions are shot in 4K.
UHD TVs have been burgeoning this 2013 edition of the CES: half of the news that we published was
about UHD ads. But to say that we will see these new screens in all the cottages shortly, there is a gulf in
which we will not obviously rush. Why? Because the Ultra HD is only at its beginnings: it is available in
few copies on consistent diagonals, resulting in very high or even prohibitive prices. If prices ultimately
decrease, the Ultra HD will remain largely confined to large diagonals (thus expensive). Android LED TV
price in India is comparatively lower than Ultra High definition LED TV cost.

In short, is Full HD already outdated?
If in the art, LED TV Android will undoubtedly be an even more marked than the 3D, in the way of doing
one finds many similarities: absence of content, technical problems to be overcome, disproportionate
prices and the desire to impose a change not necessarily desired by the user. Similarities, with even
more significant constraints: Blu-ray support unsuitable as is, just HDMI 1.4 connection sufficient, the

introduction of a new codec to generalize, infrastructures too light to support VoD and digital terrestrial
transmission.


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