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Are You In The Dark With HDTV?

Mar 25, 2008
Remember when there was just TV. Now we've got SDTV, EDTV, 480i, 480p, 720p, 1080i and 1080p. Enough to make you sick! And if you think you are unconnectedt now, just go communicate to any electronic megastore and you will get what true confusion is all about. Let's talk basics.

You want the best image you can get for your money...that's a gimme. Getting there is actually easier than you expect. Reading the rest of this article will give you some of what you require to make an knowledgeable determination when shopping for an TV.

There are over 250 million televisions in the United States. Video signals pump information into a TV at the rate of 30 frames per second. Each frame is a still representation that gives the appearance of sustained motion, just like a cartoon. I could go on here but lets leave it at the basics.

High Definition Television does two things. Firstly, it increases the number of image lines on the screen. Second, it widens the aspect ratio of the display from the standard 4:3 to 16:9. The wider display format has a more theatrical look.

HDTV format is 1080p, or 1080 lines interlaced. An alternative format is 720-lines progressive scan, or 720i. Though it has fewer lines, the native progressive scan format eliminates motion artifacts that originate in interlacing, and are still apparent in large screen 1080i.

The bottom line is that 1080i and 720p are both fantabulous formats. One is not better than the other; they are just each better with specific types of material. When done right, both high def. signals are understandably superior to normal 480-line format we know today.

HD forthcoming sooner than you suppose
Everyone crossways the land will have to make a decision on Feb 17, 2009: A governing mandate requires that all full-power TV stations stop broadcasting analog signals and alter to 100% digital broadcasting!! This passage primarily concern nearly 15-20 million TV viewers who rely on localized over-the-air broadcasts received via antenna.

People who fall into this category will have to acquire an antenna. An hdtv antenna will permitt you to acquire your local stations. Hdtv antennas come in varied styles and shapes and are inexpensive, usually around $40 to $50.

The good about an hdtv antenna compared to the old analog antenna is you will either get an HDTV picture or you wont. You will not miss ghosting and noise you had to deal with on your old antenna. When you switch to an hdtv antenna you either get the digital picture or you don't.
About the Author
Jim Williams Audio/Video enthusiast, Gamer, Traveller, Writer and a Historian addict that recommends you check out the new
HDTV antenna
RV Antenna
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