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Almost all modern TVs can decode and display HDR content with varying degrees of success. the The best TVs It can make HDR shows, movies, and even some video games appear with colors and contrast that non-HDR-supported TVs can never achieve. In addition to a TV that can display HDR, you also need HDR content. Most HDR content is available in multiple HDR formats and each format is slightly different. Confused yet? I hope it’s not for the better, because not every TV can decode all HDR formats.
The two main formats currently are HDR10 and Dolby Vision. There too Hybrid Log Gamma, or HLG and HDR 10+. The good news is that every HDR TV can decode at least HDR10 and it’s available with most HDR shows, movies, and some games. There are many differences between the different formats, so they are worth discussing in detail.
Image quality
Winner: Dolby Vision (and upcoming Dolby Vision 2)
This is a broad generalization, and in many cases, the best image quality comes down to the specific content and screen. However, Dolby Vision is up and coming Dolby Vision 2He can Possibly It looks better for several reasons. For one thing, unlike HDR10, DV has dynamic metadata. This means that brightness levels for HDR content can vary on a scene-by-scene basis, giving filmmakers better control over how the image appears. HDR10 (more on HDR10+ in a bit) has static metadata. This means that the HDR “look” can only be specified per movie or entire show.
The other main reason DV looks better than HDR10 is Dolby itself. TV manufacturers must pay Dolby a fee for DV compatibility, but in exchange for that fee, Dolby will also make sure your TV looks as perfect as possible with Dolby Vision content. It’s essentially an all-in-one format, with Dolby ensuring that all the steps look right, so the result at home looks as good as that content and that screen.
HDR10 is an open format. Each plant is left to its own devices, pun intended. This assumes that the manufacturer will have engineers who know enough about HDR and TVs to make HDR look correct on their TVs. This is a big assumption. Most manufacturers’ 4K Blu-ray players still have… Color sampling errorwhich should have been resolved in the DVDera (yes, this is a link to an article from 2001 and yes it is still amazingly relevant). So you’d hope the TVs would read HDR data correctly and look great, but that’s not necessarily the case. For example, here are two HDR projectors playing the same video. The right person is not processing HDR data correctly:
Two monitors, side by side. Notice how there are three individual lights in the left image, but there is one point of light on the right.
Other factors, like Dolby Vision being more likely to be 12-bit over 10-bit HDR10, are less of a factor and it depends more on the content and display if you see any difference. Both formats have it Wide color gamut Also, so this is not a problem.
HDR 10+ It is a royalty-free HDR format developed by Samsung, Panasonic, and Fox before it became Disney. It has dynamic metadata like Dolby Vision, but it doesn’t require manufacturers to pay Dolby for the ability to play it. From an image quality standpoint, especially with live streaming, you’re unlikely to see much difference between HDR10+ and Dolby Vision. There are some additional features in Dolby Vision that give creators more control over how the show/movie looks in your home (especially with 4K Blu-ray discs), but for the most part both formats will look good. While there are some additional differences, we’ll address the main issue with HDR10+ in the next section: availability. there Less content And fewer TVs support it.
Hybrid log gamma, the third HDR format, doesn’t have the potential to be, for lack of a better word, mobile Such as DV, HDR10+ and HDR10. However, it’s still HDR, it’s still better than SDR, and it has a big advantage that we’ll discuss later.
Availability (hardware)
Winner: HDR10
Since there is no licensing fee, far more companies have HDR10 support than Dolby Vision. Or in other words, if it’s HDR, it supports HDR10. Some HDR equipment also Supports Dolby Vision or HDR10+ technology. As mentioned earlier, the DV app is more than just settings or a badge on the side. Dolby is involved before the product ships to help make sure everything works as they specify.
HLG is available on some TVs, but not as many as other formats. In theory, HDR TVs can add HLG decoding, but don’t expect it.
Availability (content)
Fallout is available in HDR10+ and Dolby Vision on Amazon Prime Video.
Winner: HDR10
Almost everything that supports HDR supports HDR10. Big budget movies and TV shows They often support Dolby Vision technology. There are some Big-name shows that support HDR10+ Now as well. In general, the most popular shows and movies will have some options for dynamic metadata. Between the two dynamic metadata options, DV contains more content.
Most people will have a hard time finding HLG content, but more on that in the next section.
Backward compatibility
Default winner: HLG
HLG It is the only HDR format compatible with TVs with standard dynamic range. The HLG signal can be read by SDR TVs and displayed normally, and can also be read by HLG-compatible TVs and displayed in HDR format. This is its contribution to the world of Human Development Report. It’s primarily intended for broadcast television, which is not surprising when you consider that it was jointly developed by the BBC and Japan’s NHK.
Being a hybrid, it doesn’t have the range you can achieve with DV and HDR10, but that’s not really the point. The idea is to offer HDR technology where it was impossible to offer it with other formats. So the real competition, so to speak, is with standard dynamic range. And in that battle he wins easily.
There is no winner (or loser)
Fortunately, there is no HDR war. If you have an HDR TV, everything you might want to watch in HDR is probably already available in HDR, and your TV can display it that way. The gap lies when it comes to the enhanced image quality of Dolby Vision and HDR10+. For the most part, TVs will support one or the other. Some, but not all, content will be available in both formats. You may find that the show or movie you want to watch is available in DV or HDR10+ format and your TV doesn’t support it. In this case, you’ll get “only” HDR10. Keep in mind that HDR10 still looks great! Much better than non-HDR content.
since The best TVs It looks great with any HDR content, but it’s probably not worth ignoring the model you’re considering just because it doesn’t support one of these formats. It will likely look good with either another dynamic metadata format, or just HDR10.
Note: This guide was first published in 2017 but is regularly updated with new information about old and new HDR formats.
In addition to covering audio and display technology, Jeff makes the photo tours From museums and amazing sites around the world, including Nuclear submarines, Aircraft carriers, Medieval castles,epic A 10,000 mile road trip And more.
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