วันเสาร์ที่ 7 พฤษภาคม พ.ศ. 2554

HDTV - The learning of a language before you buy

Who wants to shopping for something you really do not know anything go? Or who will be at the mercy of a vendor who feel rattles on with all the technical terms that sound like a language from another planet? It is no wonder that many people feel when shopping for electronics products and intimidated, especially this applies to TVs.

Let's start with the HDTV. You hear about it all the time, but what is? The simple version is that it isHigh Definition TV, and is a quantum leap in the way that television can be seen in the future. In practice this means that the TV signal is so full of information both on the audio and video that the picture is incredibly sharp and smooth, and the sound is so good that it is indeed comparable to cinema.

HDTV

On the video side, you have to understand the pixel to fully appreciate the improvement in screen resolution. The TV screen, just like yourcomputer screen is the small number of squares which are part of the information that has the full picture. More pixels on a screen, more information about the image and the sharper the image appears.

Older analog TV screens often over 480 rows of pixels in it. HDTVs can be up to 1080 lines instead, each with 1920 pixels, for a total of up to a huge two million + pixels on the screen compared to only 200,000 in the older analogScreen. This is ten times the information displayed and can give an idea of ​​the sharper the image.

But the sound is much improved. The HDTV standard allows you to transmit audio in Dolby 5.1 surround sound, which is related to the technology used in movie theaters these days. This type of sound that puts the action in full and varied as true, as the sound, which was originally for the program.

Widescreen isanother part of the HDTV experience that we hear about, and which refers to the aspect ratio of the screen. An HDTV set has an aspect ratio of 16:9, ie for every 16 cm in width and has a 9-inch screen. The aspect ratio is more like theater formats and so when you try to get all the action movies without seeing something on the screen.

There is more to know to understand this new technology, but if you know what we have discussed in thisThe article will help you more confidence in shopping for televisions in the future.

HDTV - The learning of a language before you buy

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