That's provided the movie in question has a Dolby Atmos soundtrack: the iTunes version of Gravity has Atmos, for example, but the normal Blu-ray doesn't - trust me, you definitely want to watch that movie with overhead effects. Perhaps most exciting for home users, it also adds the ability to use overhead channels, so when a plane takes off, you don't just hear it pass behind you - you hear it whiz above your head. Originally developed for cinemas, Dolby Atmos is an innovative audio technology, with sound that actually moves around you in an immersive soundscape. That way, each sound can be sent to whichever speakers are appropriate for that specific setup - from a movie theater with 60 speakers to a home theater with seven. Unlike traditional surround sound formats, which use discrete tracks - this track plays out of the front left speaker, this track plays out of the rear left speaker, and so on - Dolby Atmos uses what's called "Object-Based Audio," allowing the film's creators to put the sound in a 3D space encoded on the disc. If 4K and HDR are the latest improvements in video tech, Dolby Atmos is the latest evolution of cinema sound. Many of the DVDs on your shelf probably use Dolby Digital to deliver that 5.1 surround sound mix. When you think of Dolby, you probably think home theater audio - which makes sense, since Dolby has had a hand in movie theater audio since the 70s. Shopping Best home speakers, according to experts Dolby Atmos: The best surround sound you can get today Though, if you want to see Dolby Vision truly shine, grab a 4K Blu-ray like the remastered version of The Matrix. It's a subtle improvement over typical HDR, but one worth having - and you'll find Dolby Vision on some UHD Blu-rays as well as streaming services like Netflix, Amazon Prime, and Disney+. Without getting too technical, Dolby Vision allows the movie creator to fine tune how that happens on a scene-by-scene or even frame-by-frame basis, rather than applying the same constraints to an entire movie. Your TV at home isn't as capable as the professional monitors used in the studios so your TV needs to adapt the movie's bright highlights to match its own capabilities. While the baseline HDR format (known as "HDR10") looks great, Dolby's own standard offers some improvements. You can read more about HDR and why it's awesome in our TV buying guide, but suffice to say, if you can watch a movie or show in HDR, you should. HDR allows for brighter highlights, even in otherwise dark scenes, which - coupled with a wider gamut of colors - creates an image that really "pops" compared DVDs and Blu-rays of old delivered.
Not long after 4K TVs hit the scene, another and more exciting technology started appearing on living room screens: High Dynamic Range (HDR for short).
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Shopping How to gift a new game console: Playstation or Xbox Dolby Vision: HDR video that pops off the screen
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