How to tell if your 4K TV supports HDR

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Due to the increasing amount of HDR-compatible hardware and content on the market, TV manufacturers are scrambling to deliver products which meet the HDR display standard.

HDR – high dynamic range – refers to an increased contrast ratio, brightness, and colour range generally available on 4K displays.

Unfortunately for consumers, there is no single standard for HDR hardware, meaning that products may be branded as supporting HDR, but may not deliver the expected experience.

If you are buying or already own a 4K TV and are unsure about whether it supports HDR, here’s what to look out for.

Standards and Specifications

There are certain specifications which must be met when classifying HDR-enabled devices.

The main specifications used when defining HDR are brightness (measured in nits), colour (8-bit is the standard for normal TVs), and contrast ratio.

While there may be HDR branding on your TV, these specifications are important to note in order to get an idea of your maximum picture and colour quality.

Major HDR formats include HDR10 and Dolby Vision.

Dolby Vision sets the bar high for HDR standards and includes 12-bit colour depth, 4,000-nit maximum brightness, and wide colour gamut.

HDR10 uses 10-bit colour depth and the Rec. 2020 color space, and is supported by a wide range of UHD TVs and gaming consoles, such as the PlayStation 4 and Xbox One.

If your TV supports either of these standards, it qualifies as an HDR TV.

Demos

The best way to determine whether your TV supports HDR is to play a high-quality video, as the difference in picture quality between standard UHD and HDR is immediately noticeable.

To test colour range and contrast ratio, first ensure that the video you are viewing is HDR content.

Demo UHD 3D has a large collection of 4K HDR demos you can download and use to test your TV’s HDR capabilities.


This article first appeared on MyBroadband and is republished with permission.

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How to tell if your 4K TV supports HDR

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