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Archive for the 'Buying Advice' Category

Technical Information

Monday, March 10th, 2008

HDTV signals and colorimetry are defined by Rec. 709. MPEG-2 is most commonly used as the compression codec for digital HDTV broadcasts. Although MPEG-2 supports up to 4:2:2 YCbCr chroma subsampling and 10-bit quantization, HD broadcasts use 4:2:0 and 8-bit quantization to save bandwidth. Some broadcasters also plan to use MPEG-4 AVC, such as […]

The need to know basics

Monday, March 10th, 2008

In a generation there comes a technological innovation which brings essential benefits to people. The tele is such a creation. Ever since the TV sets creation people have been on the pursuit for better and better TV sets. Now alas HDTV TVs have satisfied the urges of many movie film lovers.
HDTV TVs or high-definition TV […]

A bit of history

Monday, March 10th, 2008

In 1983, the International Telecommunication Union’s radiotelecommunications sector (ITU-R) set up a working party (IWP11/6) with the aim of setting a single international HDTV standard. This WP considered many views and through the 1980s served to encourage development in a number of video digital processing areas such as conversion between 30/60 and 25/50 picture rates […]

What is High Definition?

Monday, March 10th, 2008

You have probably heard of HDTV but you may be confused by all of the new terminology.
The maximum resolution on a standard analog TV is 720 X 480 pixels, which is about 337,000 total pixels. HDTV is part of the Digital TV specifications which has many different video resolutions. The two main resolutions to be […]