WEBVTT - How Ultra Hi-Def Works

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<v Speaker 1>Welcome to brain Stuff from house stuff works dot com,

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<v Speaker 1>where smart happens Hi and Marshall Brains. Now that everyone

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<v Speaker 1>is getting used to h D t V and more

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<v Speaker 1>than half of US households actually own a digital TV,

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<v Speaker 1>manufacturers are starting to toy with the next big thing

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<v Speaker 1>right now. It's called Ultra high Definition or u h D,

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<v Speaker 1>and several companies are already selling u h D screens.

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<v Speaker 1>A standard hd TV screen has nineteen twenty by ten

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<v Speaker 1>e D pixels, or roughly two million pixels per frame,

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<v Speaker 1>and Ultra high definition screen has four times that many pixels,

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<v Speaker 1>or eight million pixels per frame. It's like putting four

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<v Speaker 1>hd TV screens on a single display. The problem right

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<v Speaker 1>now is that there really isn't that much video at

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<v Speaker 1>that resolution to display on Ultra high Def TVs. Manufacturers

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<v Speaker 1>end up demonstrating the TVs by putting up eight megapixels

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<v Speaker 1>still images from digital cameras. Japan is working on the

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<v Speaker 1>next step beyond that, called Super high Vision. It has

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<v Speaker 1>four times as many pixels as Ultra High death, or

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<v Speaker 1>thirty three million pixels per frame. At that resolution, It's

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<v Speaker 1>hard to find even still cameras with enough pixels to

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<v Speaker 1>fill the screen, but Japan claims that by tween, super

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<v Speaker 1>high vision will be coming online. Do you have any

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<v Speaker 1>ideas or suggestions for this podcast? If so, please send

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<v Speaker 1>me an email at podcast at how stuff works dot com.

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<v Speaker 1>For more on this and thousands of other topics, go

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<v Speaker 1>to how stuff works dot com