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HDTV technology was introduced in the United States in the 1990s by the Digital HDTV Grand Alliance, a group of television companies and MIT. On 6th April 1997, CBS went on the air with WCBS-HD from the top of the Empire State Building, New York, doing demos and evaluations. The first HDTV sets went on sale in the United States in 1998.
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It was not until the early 2000s that technology had progressed enough to deliver sufficient storage capacity and processing power to support compression algorithms powerful enough to make HDTV affordable for consumers and profitable for broadcasters and other programme makers. The main enabling factor was the transition from analog to digital TV standards. Digital compression methods such as MPEG-2 and MPEG-4 allow the bandwidth of a single analogue TV channel (6 MHz in the US) to carry up to 5 standard-definition or up to 2 high-definition digital TV channels instead. Most developed nations have plans in place for a transition to digital television, but not necessarily or exclusively HDTV; for example, on 17th February 2009, the US intends to terminate all full-power terrestrial analog broadcasting (although some smaller local stations have later deadlines), with both standard definition TV (SDTV) and HDTV being allowed.
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HDTV GaloreVodafone, MTV launch Vodafone Soundbites

Vodafone Soundbites will be available on TV, via website and on mobile as a series of 21 three-minute shows.

Tue, 20 Jul 2004 22:14:37 GMT
FontDiner is a cool place for all things fonts.

Even a little caffeine linked to underweight baby, study finds

Mon, 03 Nov 2008 10:43:08 EST
Pregnant women who consume caffeine, even about a cup of coffee daily, are at higher risk of giving birth to an underweight baby, British researchers said on Monday.


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