The yellow dots in the lower right represent sound objects that can be moved around the listening space. This setup works fine, but what if the listener doesn't have a 5.1 surround setup (traditionally solved by including a separate stereo mix), or what if there are more speakers? AdvertisementĮnlarge / The interface used to mix a Dolby Atmos film. If a filmmaker wants a musical score to burst through all speakers at once, it has to be assigned to every channel.
So, if a filmmaker wants the sound of a car to come from behind the listener on the left, the sound must be assigned to rear left surround channel. In a standard 5.1 Dolby Digital surround mix, individual sounds are assigned to a specific channel. Objects, not channelsĭolby Atmos differs from its predecessors in that it's object-based, not channel-based. Even if Atmos in the home is no substitute for a cinema, the results, particularly in the case of the Samsung soundbar, can be very impressive indeed.
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And while a 4K HDR TV is great- read our full guide on 4K HDR if you're yet to invest-it's only half of the experience.
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But there's also no way I would install speakers in my ceiling to recreate the experience at home.įortunately, there are ways of making Atmos practical, from speakers with upward-firing drivers like KEF's R50, to all-in-one soundbars like the Samsung HW-K950. As someone who's had the fortune of watching a few films inside Dolby's London-based screening room-which also sports a laser-based projection system for higher dynamic range-as well as taken to the decks in the Atmos-equipped Ministry of Sound, I've experienced first-hand that Atmos can sound spectacular. Cinemas are able to install as many as 64 speakers to move the sound not just around listeners, but above them as well. The system, which debuted alongside Pixar's Brave in cinemas back in 2012 and is now available at home on Blu-ray, is probably the most immersive surround-sound experience currently available. Which leaves the Atmos, Dolby's latest and greatest audio format, in something of a predicament. So common is this setup-nearly every all-in-one surround system on sale is 5.1-not even the lure of lossless 24-bit/96kHz audio and the added immersion of two extra surround channels has convinced the average Joe to add more speakers. Sure, we've gone from having centre and rear channels matrix-encoded into ordinary stereo tracks via Dolby Pro Logic, through to the clarity of discrete 5.1 channel mixes with Dolby Digital, but the physical speaker setup remains the same: three at the front, two at the back, and a subwoofer for bass.
For nearly 30 years, the humble home surround-sound setup hasn't changed much.
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