How to choose your TV?

A TV buying guide to make the right choice

five and a half hours. This is the average daily life during which the television of a French fireplace remains lit.

If TV keeps an important place in daily life, uses of computer and internet have imposed changes to the small skylight:

The cathode ray tube gave way to lighter and thinner replacements. And computer technologies like the network or the USB are a place on the side of the SCART socket.
Today, we need to understand the differences between HDTV TVs and HD TV 1080p, the differences between plasma and LCD televisions, see prepare for the age of 3D televisions.

HD TV, HD TV 1080p and TNT HD
After the artistic blur of the beginnings, the acronyms present on the cartons of televisions were defined by the legislator.
The acronym HD TV is present on TVs supporting 720p (with in fact a resolution of 1366 x 768) while the acronym HD TV 1080p is displayed on televisions supporting 1080p (with a resolution of 1920 x 1080, the highest currently available for televisions).

These acronyms also require the presence of a TNT HD tuner, knowing that it is mandatory on televisions with a diagonal of at least 66cm (26 inches).

What size for your TV?

If the manufacturers indicate the size of their TV in centimeters and inches, this last unit comes back quite often and here are some conversions to get a quick idea:
One thumb is 2.54 cm, 32 “is 82 cm, 40” is 102 cm and 52 “is 132 cm.
With these orders of magnitude, you can easily get an idea about your old TV.
Taking a step back

Improving the resolution of HD televisions has reduced this setback:
It is possible, in one room, to have a larger television without loss of comfort, provided you use HD sources.

For SD sources, this graphic design will allow you to know the ideal diagonal according to the recoil you have.

The right resolution

It is not always easy to know the resolution of all available sources.

This still conditions the recoil, but also the quality of display:
An HD TV can only work with a resolution identical to its native resolution (1920 x 1080 in the case of TV HD TV 1080 and 1366 x 768 for HDTV TV):
For all other sources, it will have to resize it. We talk about them when it is necessary to increase the resolution of the source (for example, display a DVD on a TV HD TV 1080) and downscaling in the reverse case (for example:
Display a Blu-ray that offers 1080p on an HDTV TV that only offers 720p). While it is simpler to make quality downscaling than quality upscaling, all constructors incorporate a scaler to support this kind of operation:

They are now getting results close to each other.

At the bottom of the resolution scale, we find the SD sources for standard definition such as DVD, TNT, but also a console of games. HD high definition is divided into several categories:

-The 720p is used by most PlayStation 3 games and by a part of the TNT HD channels.
-The 1080i is used by the XBox 360 and the other part of the TNT HD channels.
-The 1080p is used by the Blu-ray, the replacement of the DVD.

For diagonals greater than 82cm, even if you have mostly SD sources, it is more interesting to take a 1080p HD TV: the HD TV slabs are reserved for the entry of ranges. They do not benefit from the same attentions on the part of the manufacturers as the slabs HD TV 1080p: the electronic is less efficient and the quality lowers many pictures.

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