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What You Need to Know About HD TV That They Do Not Tell You!
Before high definition television stormed our living rooms, the average consumer really did not have any reason to worry about the screen resolution of their TV. That is because cathode ray televisions (CRT) only had one resolution, 525 horizontal lines. Not much choice there!
It did not take long for high definition TV technology to go from cutting edge to the format people ask for when shopping for a new television. Some consumers even traded in their CRT televisions before their normal life expectancy had expired because they wanted the bigger and flatter screens and surround sound audio.
What exactly is HD Digital TV?
First, let us start off with saying that not all digital televisions are high definition televisions. Digital televisions (DTV) actually have three formats and only one of them is capable of handling a HD digital TV signal.
*Standard Definition Television (SDTV)
*Enhanced Definition Television (EDTV)
*High Definition Television (HDTV)
All three formats are DTV but only one of them is where you can watch HDTV. Screen resolution is the key ingredient to identifying a DTV as SDTV, EDTV, or HDTV. Screen resolutions are the bragging rights of DTV just like the engine size of a muscle car at your local car show. What do these numbers really mean?
Screen Resolutions Explained!
Everyone is after the granddaddy of all screen resolutions, HDTV! If you want to watch HDTV, then you need to ensure the DTV that you purchase has one of these three screen resolutions
*1920 x 1080p
*1920 x 1080i
*1280 x 720p
High Definition TV Signals
Just because you are King on the Block with a 60 inch screen and a 1920 x 1080p screen resolution HD digital TV, it does not mean that everything that displays on your screen is in HD format. For example, your vast DVD collection is only 720 x 480, which falls into the EDTV format, not HDTV.
No need to donate your DVDs to charity or toss them in the garbage, you can watch them on your 720p, 1080i, or 1080p HD television, but some visible loss of sharpness and detail will occur (even if your HTDV has upscaling capability).
To watch HDTV, ensure that your television can handle a high definition TV signal and that your incoming signal is being broadcast in HD. Currently, 1080p is the best in high definition television and there is only one portable media available in 1080p Bluray discs. Check with your with television service provider for which channels and individual programs are being broadcast in HD.
Why Buy a High Definition TV?
High definition television has changed the way we enjoy TV. Even watching the news is a whole new experience! With sights and sounds that could do battle with virtually any theater, you can enjoy cinema quality entertainment right in your own home. With features such a thin chassis, mounting on the wall capabilities and colors that will dazzle your eyes, HD digital TV is here to stay!
About the Author Taylor Jensen has written and published many articles in the field of home entertainment. Most recently, Alex has written for Cable.USDIRECT, an authorized dealer for cable companies like Comcast, Time Warner Cable, and many others.
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