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When the first high-definition television (HDTV) sets hit the market in 1998, movie buffs, sports fans and tech aficionados got pretty excited, and for good reason. Ads for the sets hinted at a television paradise with superior resolution and digital surround sound. With HDTV, you could also play movies in their original widescreen format without the letterbox "black bars" that some people find annoying.
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Buy the Latest Model. Plasma TV technology is getting better every year. Each manufacturer has consistently improved picture quality year after year. There's no good reason to buy last year's model, if the new models are already out.
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Photographers and graphic artists have been doing colour calibrations for years on their monitors in order to ensure that colours on screen accurately match what will appear in print or on a Web site. But now, with more consumers owning high-definition TV � where every pixel pops off the screen � calibration becomes more important than with the old cathode-ray tube TV.
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The rise in popularity of large screens and projectors has made the limitations of conventional Standard Definition TV (SDTV) increasingly evident. A HDTV compatible television set will not improve the quality of SDTV channels. To display a superior picture, high definition televisions require a High Definition (HD) signal. Typical sources of HD signals are as follows:
*Over the air with an antenna. Most cities in the US with major network affiliates broadcast over the air in HD. To receive this signal an HD tuner is required. Most newer high definition televisions have an HD tuner built in. For HDTV televisions without an built in HD tuner, a separate set-top HD tuner box can be rented from a cable or satellite company or purchased.
*Cable television companies often offer HDTV broadcasts as part of their digital broadcast service. This is usually done with a set-top box or CableCARD issued by the cable company. Alternatively one can usually get the network HDTV channels for free with basic cable by using a QAM tuner built into their HDTV or set-top box. Some cable carriers also offer HDTV on-demand playback of movies and commonly viewed shows.
*Satellite-based TV companies, such as DirecTV and Dish Network (both in North America), Sky Digital (in the UK and Ireland), Bell ExpressVu and Star Choice (both in Canada) and NTV Plus (in Russia), offer HDTV to customers as an upgrade. New satellite receiver boxes and a new satellite dish are often required to receive HD content.
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HDTV GaloreLive from New York, it's one more SNL gig for John McCain
Fri, 31 Oct 2008 14:02:51 EDT
Republican presidential candidate John McCain is taking one last opportunity to prove he's the kind of good-humoured guy Americans want to lead their nation.
Wed, 14 Jul 2004 18:50:27 GMT
Searching for The New York Times. Newspapers are one of the most definitive sources of information, and there's none more powerful than The New York Times. But you wouldn't know it in the online world. Commentary by Adam L. Penenberg. Wired News]
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