What is HDR (High Dynamic Range)?

HowToAV.tv speaks to Atlona Training Director Ken Eagle about the latest high performance display technology: HDR (High Dynamic Range).

What is HDR (High Dynamic Range)??

HDR is a way of presenting video with more luminance, more contrast and more colours. We’re used to seeing it on standard TV’s today. It is very demonstrative; it looks great it’s even more eye-popping than just seeing standard 4K content.

Does HDR replace UHD?

You can have 4K UHD content or you can have 4K UHD content with HDR on it, it is just an enhancement to that 4K picture.

Why is Dynamic Range important?

Dynamic range is important because to the human eye we’re most sensitive to dynamic range which is our contrast. It’s a difference between the peak white light and the darkest dark your display can create – it’s a dynamic range. The greater the dynamic range the more steps we get in-between it and the more exciting to the eye it looks.

With HDR displays and all the new features we have in HDR, we not only have our colour palette but a much wider/advanced colour palette which is not flat but deep. We have a volume of every shade of colour with that gigantic colour palette.

HDR vs no HDR

Is Photo HDR and Video HDR the same thing?

We use the same name for two different things. Photo HDR and Video HDR are NOT the same.

TV or Video HDR is exciting; it’s a different way of displaying video content with more luminance, more colour and contrast. It takes both the display and the content to make that happen.

Where as Photo HDR is a different process photo HDR is using two or more independent photos and merging them together and taking qualities out of each one to create one finished product.

Is there a single standard for HDR?

There are a number of different standards out there and the issue is they are all independent and not compatible with each other. We’ve seen this in the industry before so hopefully one day a standard will be settled on. However for now there are a couple of different HDR standards two of them more popular are the HDR10 and the Dolby Vision.


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