Ultra HD: Just two decades away

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If you think high-definition television offers a "wow" factor, get ready for
"wow" times a factor of four.

But you'll have to make plans to visit the 2005 World Expo in Aichi, Japan.

NHK will demonstrate "Ultra HD," with 4,000 lines of resolution (compared with
today's limit of 1080i [interlace]).

"The resolution is three or four times the resolution of 75mm [75-millimeter] film," said
Katsuji Ebisawa, president of Japanese public broadcaster NHK, which is
developing the technology. "Of course, it may take two decades or more to put it
on the market, but at least we can put it on display at
exhibitions."

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