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Things You Should Know About High Def TVs
Any new technology has at least a small learning curve, but HDTVs seem to have a very large one, for good reason. Instead of a single technology, HDTVs are an amalgamation of a dozen or so: plasma TVs, LCD TVs, DLP TVs, Blu-ray disc technology, new cable and satellite technology, cable technology – the list is long. Worse, for the non-techie, there’s no easy way to figure out what’s going on. The interaction of all these different technologies can cause problems even for specialist installers.
There are a few things you need to know, however, that will help you avoid trouble before it gets to you.
1. Do the HD math before purchasing your set. Not all plasma TVs have HD capability. You want a set that meets one of two broadcast standards: 1280×720 (720p) and 1920×1080 (1080i or 1080p). Why? If you don’t have a TV that brings at least the lowest of these resolutions, you won’t get the full band capacity sent to your TV, resulting in resolution issues or no picture.
2. Just because you’ve purchased an HD-capable device doesn’t mean you’ll be able to receive the HD signal from your cable company! Upcoming broadcast standards only require digital television sets – DTV -, and those claiming to be HD capable may still need an adapter. An “HD ready” television is capable of displaying HD, but does not necessarily have an HD tuner, which you need to translate the signal; Worse still, older sets advertised as HD Ready may not display your Full HD resolution. “Full HD” only means the device is 1080p or better, not that it has a tuner. Lesson here: Make sure your TV has the HD tuner.
3. Don’t think you have to use expensive HDMI cables just because the guy at the store tells you to. The advantages of the HDMI cable are improved shielding and all-in-one video and audio capability. Standard DVI-D cables, provided they are short and new, do just as well in most cases and are significantly cheaper. However, they must be new or guaranteed to be free of shorts and dirt. Any interference in a standard TV will simply lead to signal degradation; for a high definition TV, you lose your picture entirely.
4. You can use your HDTV to record HD signals to DVD and even VHS, but you won’t have much capacity. Blu-ray recordings or recordings to a separate computer or hard drive are your best bet.
5. If your image has “artifacts” such as a wavy background or “swarms” around the images, it’s not your set, it’s your HD provider. There’s not much you can do about it except whine and hope they open up more HD channels to carry their crowded signals – unlikely. One option is to buy a device like the Algolith Mosquito HDMI to clean up your signal – but it’s more expensive than most plasma TVs, at around three thousand dollars. Your other option is to wait a few years for the problem to resolve as cable and digital technology improves, or switch providers.
6. Read your HDTV manual. Whether you have a plasma TV or an LCD TV, the manual will give you the information you desperately need, whether you know it or not. Don’t expect to run your TV out of the box. Instead, schedule “me and TV” time so you have time to learn about the different options before they become problems.
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