Name: HDR電視到底是什麼？| HowStuffWorks NOW (What exactly is an HDR TV? | HowStuffWorks NOW)
Uploaded: 2021-01-14T06:05:25.000Z
Duration: 2 min 48 s
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情態副詞

So if you've been shopping for a television recently

Ultimately it means trying to represent colors

With cameras and photography HDR is really referring to

trying to get a camera to behave the way our eyes do.

Our irises can expand and contract as light levels change.

You set a settings and you take a picture.

You can change the setting and take another picture

but you're kinda stuck with what you get.

HDR technology takes a series of pictures

and then combines them all into a mashup image.

we're really looking at something called Nits.

Anyway, luminosity relates to two different concepts.

Contrast, which is the difference between

your brightest whites and your darkest black colors

The greater the number, the greater the range.

The better color representation you'll get

In fact people have said the jump from 1080 resolution

to a 4K resolution wasn't really that noticeable

until HDR technology started to get rolled into it.

There are a couple of things you need to know

before you go out and buy your 4K HDR set.

You can get certain Amazon shows that have HDR content

and Sony is rolling out some content in HDR.

But it's not everywhere and it's not magically going to turn

your old television shows into spectacular displays.

there are a lot of companies working on HDR right now.

So there's some competing standards at play here.

But this is the future of high resolution.

I'm sorry, ultra high resolution displays.

So when you are looking for that next television

look for those three letters and then tell somebody

every single day because we are going to have

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