What’s Dolby Atmos? All the pieces You Have to Know

A decade in the past, Dolby Atmos was an up-and-coming know-how. It was hailed because the evolution of cinema sound and launched 3D immersion in a world the place stereo reigned supreme.

Then, the know-how jumped off the silver display into households and onto cell units through streaming. It’s now obtainable throughout TVs, cinemas, smartphones, soundbars and headphones.

However what precisely is Dolby Atmos? How does it work? The place are you able to get it? And is it the way forward for immersive sound? 

Now we have the news on all the things it’s essential learn about this progressive sound know-how.

What’s Dolby Atmos?

Dolby Atmos expands 5.1 and seven.1 setups to incorporate audio system which can be positioned in a room to create an all-enveloping, 3D audio expertise.

In a cinema setting, you possibly can place as much as 64 audio system above, in entrance and round you. This setup provides a peak dimension to sound and creates a hemisphere of audio system that lets filmmakers and sound designers direct particular sounds to specific places..

The important aspect to learn about with Atmos is the idea of audio objects.

Traditionally, sounds had been despatched through particular channels. Parts of the sound had been directed to specific audio system.

With Dolby Atmos, sound designers don’t need to route sound to a selected channel.

As an alternative, Atmos permits designers to specify the origin of a selected sound and the place it strikes to. In the meantime, the Atmos system intercepts that information and performs it again in a digital 3D area.

The result’s audio that appears to return from inside the room you’re sitting in. You possibly can hear raindrops falling round you, and helicopters sound like they’re flying above you.  

Atmos makes use of ambient, static sounds that don’t should be directed to a selected placement.

This know-how helps as much as 128 audio channels. Ten of those are used for the bottom layer, whereas the remaining 188 channels go to audio objects.

Leveraging object-based sound additionally permits the scaling of sounds throughout a number of codecs.

The easiest way to render a Dolby Atmos soundscape is to make use of a 64-speaker setup. That mentioned, much less elaborate audio system can ship an identical expertise.

With Atmos, the variety of audio system doesn’t actually matter. As an alternative, the precept of audio objects and the copy throughout a number of methods is vital.

So, whether or not you’re listening to a 64-speaker setup in a cinema or seven audio system at dwelling, you possibly can get pleasure from correct, immersive sounds. 

The place is Dolby Atmos Used?

You want three issues to expertise Atmos.

These embrace:

  • Content material with a Dolby Atmos soundtrack
  • A tool that helps that join
  • An audio system able to reproducing Atmos audio

If in case you have these three issues, you possibly can get pleasure from Dolby Atmos within the following situations.

Content material

Through the years, Dolby Atmos has infiltrated the movie business. Films like Avengers, Roma, Dune and Mad Max had been produced utilizing this know-how.

In flip, this has led to the emergence of theaters that assist Atmos. Over six thousand film theaters world wide assist Atmos.

Dolby Atmos titles are even obtainable on main streaming companies. These embrace Netflix, Amazon Prime and Disney Plus.

Common Atmos titles on Netflix embrace The Dig and Military of the Useless. Amazon Prime Video consists of the Jack Ryan TV sequence, whereas Disney Plus presents Star Wars.

As well as, most Apple Originals assist Atmos, making the Apple TV retailer top-of-the-line locations to purchase or lease or purchase Atmos titles.

You possibly can even get Dolby Atmos content material on sports activities broadcasts. Plus, a number of Xbox and PC titles like Horizon 4, Battlefield 1, Gear 5x and Name of Obligation assist Atmos for gaming.


To expertise Dolby Atmos on cell, you have to join your system to headphones.

Doing this permits Atmos to operate by means of object-based rendering and binaural headphone rendering.

The 2 applied sciences work as follows:

  • Object-Primarily based Audio: Every sound has info that tells it the place it ought to be positioned within the speaker configuration. 
  • Binary Headphone Rendering: Makes use of heat-related switch capabilities (HRTFs) to create encompass sound by means of headphones. 

Dolby merges these two applied sciences to ship a digital, enveloping sound expertise on cell. 

A number of the cell units that assist Dolby Atmos embrace:

  • Amazon Kindle Fireplace HDX 8.9
  • Amazon Fireplace HD 10
  • OnePlus 8T and eight Professional
  • Sony Xperia OnePlus 7 Professional, 5 II and eight Professional 
  • iPhone 11, 11 Professional, 11 Professional Max, 12 , 13 and 13 Professional Max
  • Samsung Galaxy S21, S20, S10+, S10 and Word 9 
  • Huawei P20, P30 and P20 Professional 

You may also get Dolby Atmos on:

  • JVC XP-EXT1 headphones
  • Xbox Wi-fi Headsets

Moreover, Apple Music’s new Spatial Audio means that you can take heed to Atmos content material with any headphones


Atmos isn’t for movie lovers. It is usually obtainable for the music business.

Dolby Atmos Music just about does the identical factor as Atmos does for cinema. It delivers music in a 3D soundscape.

Presently, Amazon Music, Tidal and Apple Music provide essentially the most in depth assortment of Dolby Atmos Music.

Is Dolby Atmos Costly?

How a lot you’ll spend for Dolby Atmos primarily relies on your units.

Headphones and cell units supporting the know-how aren’t as costly. Nonetheless, Atmos-enabled audio system and TVs have a hefty price ticket.

Most Dolby Atmos soundbars from Bose and Sonos, as an illustration, value round $900. Excessive-end choices value greater than that.

Dolby Atmos devices are costly for 2 causes:

  • Licensing for the Atmos certification is dear
  • Atmos requires extra audio system to obtain immersive sound know-how

Over the previous few years, Dolby has made efforts to make Atmos suitable with as many merchandise as attainable. It needs to make the know-how as common as Stereo sounds, which suggests it goals to be loads cheaper. 

The best way to Get Dolby Atmos in Your Residence

Dolby and residential theater manufacturers have stepped as much as introduce extra merchandise that assist Atmos.

Soundbars, as an illustration, have gotten more and more suitable with Atoms movie soundtracks. Some now embrace upward-firing audio system designed to direct sound towards the ceiling.

Different soundbars reproduce the Atmos impact nearly utilizing digital processing.

If in case you have a encompass speaker setup in your house, one of the best ways to expertise immersive audio is so as to add up-firing audio system. These Atmos-enabled audio system rebound pontificate the ceiling to ship the identical impact as overhead audio system.

The great thing about that is that you simply received’t need to drill holes in your ceiling because of Atmos peak virtualization.

You’ll additionally want an AV receiver that may decode Atmos recordsdata so that you could expertise Atmos from a encompass speaker setup. Luckily, many AV receivers assist Dolby Atmos.

When you received’t recreate the complete 64-speaker theater setup with these AV receivers, you possibly can nonetheless get pleasure from Atmos in your area.

Most dwelling Atmos AV receivers can reproduce 128 audio objects with as few as seven audio system. Plus, if you wish to go all out, you possibly can go for an AV receiver that helps as much as 34 audio system.

Would you favor to not add up-firing audio system to your present setup? If that’s the case, you possibly can go for speaker modules to remodel your present setup into an Atom-enabled system.

You’ll solely want to position the modules on high of your present speaker so as to add the overhead performance.

Alternatively, you possibly can mount the precise overhead audio system in your ceiling.

Needless to say two overhead audio system will ship a strong and satisfying impact. Nonetheless, 4 audio system offers you the most effective sound high quality.

Dolby states that for the most effective Atmos expertise, you shouldn’t use greater than 12 audio system.

Suitable Units

Luckily, most units with an HDMI connection are Atmos suitable.

Audio system

For starters, there are various kinds of Dolby Atmos audio system. These embrace reflective, up-firing or add-on audio system and ceiling-mounted, down-firing audio system.

A number of the most sought-after Dolby Atmos audio system embrace:

  • Elac Debut 2.0 A4.2
  • Sony SSCSE
  • Pioneer SP-T22A-LR
  • NHT Atmos Mini
  • Klipsch RP-140SA
  • Onkyo SKH-410


Atmos-enabled soundbars provide a extra reasonably priced manner of experiencing this know-how in your house.

A number of the greatest Dolby Atmos soundbars embrace:

  • Sonos Beam Gen 2
  • Sonos Arc
  • Bluesound Pulse Soundbar+
  • Sony HT-A7000
  • Sennheiser Ambeo Soundbar
  • Sony HT-A9 speaker system

TVs and Media Gamers

For the most effective Atmos expertise together with your tv, you’ll have to direct the sound output to an AV receiver or soundbar.

To do that, you’ll want an HDMI ARC connection and Dolby Digital Plus audio assist.

Most newer TVs will work completely, however any mannequin earlier than 2018 might have issues.

High-rated Dolby Atmos TVs embrace:

  • LG CX
  • Vizio V-Collection
  • Vizio OLED
  • LG GX
  • Sony X950G

The most effective Dolby Atmos-enabled streaming media gamers embrace:

  • Apple TV 4K 32GB (2nd Technology)
  • NVIDIA – SHIELD Android TV Professional – 16GB
  • Chromecast with Google TV – 4K
  • Roku Extremely 2022 4K/HDR/Dolby Imaginative and prescient streaming Machine
  • Sony – UBP-X700/M streaming participant

Peak Virtualization

Virtualization, at its core, means the act of making a digital model of one thing.

With this know-how, it refers back to the capacity to create a digital Atmos expertise with normal, non-Atmos enabled {hardware}.

Dolby Atmos peak virtualization is an progressive know-how. It makes use of digital sign processing to create the sensation of overhead sound in audio system at a listener’s peak.

The know-how makes use of state-of-the-art peak cue filters. These simulate the pure spectral info a listener’s ears obtain from audio coming from over.

For that reason, you don’t need to mount Atmos-enabled audio system in your ceiling.

Atmos peak virtualization helps a number of configurations. As an example, the know-how means that you can use two to seven listen-level channels to create the feeling of two or 4 overhead audio system.

Peak virtualization makes it attainable to expertise Atmos with out burning by means of your pockets for high-end soundbars and Atmos-enabled audio system.


The way forward for dwelling audio is immersive, and Dolby Atmos is opening up new prospects for sound designers to create a extra practical audio expertise.

Higher but, Atmos peak virtualization know-how is making Atmos extra reasonably priced.

All it’s essential do is get the fitting gear to expertise immersive sound as you’ve by no means earlier than.

Supply hyperlink

Related Articles


Please enter your comment!
Please enter your name here

Stay Connected


Latest Articles