Recording and Mix

Dolby Atmos for every DAW, evolution and perspectives with Dolby Atmos Composer

Published on 05/11/2023

We have introduced Dolby Atmos Music in our blog in a few posts where we explained the basic concepts, analyzed the success possibilities of the new format and described the technical guidelines.

One thing that has been clear since the beginning was that the system is quite different from the usual stereo setup and

the differences range from software components to the audio interfaces and speaker configuration.

Dolby Laboratories released their Dolby Atmos Production Suite and Dolby Atmos Mastering Suite to help engineers working with the new spatial audio standard.

A few DAWs have actual versions that natively support Dolby Atmos. As far as we know, as of today, the list is limited as follows:

  • AVID - Pro Tools
  • BlackMagic Design – DaVinci Resolve
  • Steinberg – Nuendo
  • Merging Technology – Pyramix
  • Apple – Logic
  • Ableton – Live
  • Presonus - Studio One Pro

An important step seems to be the introduction by Fiedler Audio of a set of software components that work as plugins and are capable of making every DAW compatible with the Dolby Atmos requirements.

Let’s try to understand what is happening.

Fiedler Audio Dolby Atmos Composer

Fiedler Audio has recently released a plugin called Dolby Atmos Composer which comes handy to enable every DAW to be Dolby Atmos compliant.

The plugin is approved by Dolby Labs and it eliminates all the unnecessary burden of manual setup for Atmos workflow as well as the need to use a DAW capable of immersive audio production.

Dolby Atmos Composer
Dolby Atmos Composer

The Dolby Atmos Composer works together with a versatile panning plugin called Dolby Atmos Beam that allows to easily automate complex movements and take over the DAW's limitations.

From version 1.5 onwards the 3D Spacelab reverb directly connects to the Dolby Atmos Composer bringing world class immersive reverberation to the game.

With the new workflow the engineers can bring all the features of their preferred DAW, the plugins, the effects or instruments, into a Dolby Atmos mix.

New tracks can even be recorded while already mixing for Dolby Atmos.

Exports are delivered in ADM/BWF format for direct distribution to platforms such as Apple Music, Amazon Music, Tidal and Netflix.

The features list of the suite follows:

Dolby Atmos Composer

  • Produce Dolby Atmos content on any DAW, even if the DAW is not capable of multichannel audio
  • Monitor on multichannel speakers from any DAW directly from the Dolby Atmos Composer plugin
  • Support up to 9.1.6 mixes
  • Use personalized HRTF for binaural monitoring
  • Easy setup without the need of manual routing configuration, no external app required
  • Connects to Dolby Atmos Beam and Spacelab

Dolby Atmos Beam - panning plugin

  • Position the tracks as objects around the listener easily
  • Record movement with mouse as automation
  • Convenient mapping of parameters to all major Pro Tools control surfaces
  • Panning to composite speaker layout or as dynamic objects
  • Quickly set objects to predefined speaker positions

Spacelab connection

  • Direct connection of 3D reverb to the Dolby Atmos Composer
  • Spacelab sources as dynamic objects in Atmos
  • Arbitrary speaker layouts as composite in Dolby Atmos


  • Export Dolby Atmos ADM/BWF for distributing to all major platforms
  • Simultaneous export of speaker and headphone outputs of the renderer
  • Import ADM/BWF files for playback, corrections and re-export

See the following introductory video to understand how the system works:

Headphones Listening for Dolby Atmos

As some of you might already have noticed, we have mentioned the HTRF acronym. This stands for Head Related Transfer Function.

The concept arises from the fact that we, as humans, have two ears in our listening system but we are able to perceive directions and understand from where a given sound comes from.

This happens because a sound propagating through space hits both ears but differently.

The perception of direction comes because the brain analyzes the two different stimuli considering their intensity, the time delay (due to the different position of the ears), the frequency content and the phase of the two upcoming signals.

All those parameters are influenced by the physical characteristics of our heads such as dimensions, the form of heads and faces, form of our ear pads and so on.

All these factors are different for different subjects and yield to a specific response that can be modeled by a transfer function: the Head Related Transfer Function or HTRF.

Research works have been done in this field to render the proper positions of arriving sounds through a binaural system that would allow us to perceive directions even while listening with headphones.

From our experience, listening from a real immersive environment with a multi speaker setup is better than having the similar experience with headphones but the results are already very good.

As the HTRF modeling techniques improve we expect that things can only be better.

Mixing with headphones is becoming more and more important so we are starting to see headphones specifically designed for immersive sound mixing.

Ollo Audio S5X
Ollo Audio S5X

Among those we have the Ollo Audio S5X that are reference class, open back, dynamic headphones with flat frequency response meant for binaural/immersive mixing.

They have been realized to translate spatial audio between speakers and binaural downmix.

Their sound field is acoustically designed to provide a neutral base for the HRTF virtualisation of spatial audio formats in binaural mode.

With full 360 degrees of accurately spatialised positions and movements the translation of the mix between speakers and headphones is always spot on. The target curve for these headphones was developed by capturing a certified Dolby Atmos studio and human A/B testing.

New perspectives

It is now easy to understand that a combination of Dolby Atmos Composer and Ollo Audio S5X can be a solution for those who are on the move and need to mix a Dolby Atmos project.

The solution opens new perspectives to Project and Small Studios as they can prepare a Dolby Atmos compatible mix that can be finalized (just in the last phase) in a fully featured studio with a Dolby Atmos compliant mixing/listening room.

This workflow might become the new Mix to Mastering flow as headphones immersive mix could only be the preparation (mix) phase of the project to be finalized (mastered) in a bigger studio.

The future will tell us the whole story. For now we can say that a further step to the diffusion of Dolby Atmos Music has just been achieved.

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