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Page last updated at 09:04 GMT, Tuesday, 22 January 2013

Where is all the ultra-HD content?

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4K television - or ultra-HD as it is sometimes known - is already the talk of technology press and is expected to be the talk of retailers by the end of 2013.

It allows pictures four times the resolution of current HD.

The problem is the current lack of content that is available in that high resolution.

Ian Hardy reports on the time lag between ultra-HD technology being available and things to watch on it.

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