Groupe de recherche en immersion spatiale

We design software for sound spatialization

November 6, 2022,
A new version is here! SpatGRIS (3.2.1) is a software designed for multichannel spatialization in 2D and 3D. ControlGRIS (1.4.1) is a plugin designed to send trajectories data in OSC to SpatGRIS.


Where to find them

Our software is available on SourceForge. They are free and Open Source.
SpatGRIS and ControlGRIS are grouped within the same installer. Go to the Files tab to find everything.
Version 3.2.1: MacOS from 10.15 (Catalina) to 12.6 (Monterey), M1 processors and Windows 10 compatible.

UPDATE (November 6, 2022)
New version: SpatGRIS 3.2.1.

What’s new:
— SpatGRIS Player: a new function that allows using SpatGRIS as a standalone software to play any piece encoded by it to any speaker setup.
— Cube mode uses a new algorithm : MBAP (Matrix Based Amplitude Panning).
— Cube Mode : Attenuation Settings has a Bypass button.
— Speaker Setup Edition in Cube and Hybrid modes : added a Global Sound Diffusion slider. It influences how a speaker setup spreads sound of sources into the space.
— Speakers position allowed in the negative section of the Z axis.
— Comes with ControlGris 1.4.1 with new features in Cube mode: Extended Top and Extended Bottom for full Cube.

We have worked very hard to publish SpatGRIS 3.2.1, based on BlackHole and compatible with the newest MacOS and with Windows 10.
They work also on Pro Tools.


An OSC plugin

ControlGRIS is a plugin (Mac AAX/AU/VST/VST3 and Windows AAX/VST format) designed to create multichannel space. It allows the user to design sound trajectories in 2D or in 3D under any shape of speaker setup. It includes two spatialization modes, DOME and CUBE with a lot of  possibilities. Automated Trajectories are included. ControlGRIS receives and send OSC data. Templates for OSC external software, such as Open Source Control or Lemur for iPad are provided.

A Quick Start Guide as well as a complete manual are provided. The complete manual is in the Help menu of SpatGRIS and also available separately.

ControlGRIS version 1.4.1. November 6, 2022

A sound spatialization software

SpatGRIS is a standalone multichannel sound spatializer for different configurations of speakers in 2D or 3D. SpatGRIS may include up to 128 inputs and outputs. The trajectories and positions are received from the ControlGRIS or from any OSC device. The audio spatialization itself is made by SpatGRIS and sent to the audio interface. DOME, CUBE, BINAURAL and STEREO modes are available. It is independent of any audio server but we provide BlackHole as a virtual audio device. SpatGRIS includes a multitrack Recorder and a Player. The Speaker Setups design are made within the software.

A Quick Start Guide as well as a complete manual are provided. The complete manual is in the Help menu of SpatGRIS and also available separately.

SpatGRIS version 3.2.1. November 6, 2022

What they look like

Screenshots of ControlGRIS and SpatGRIS

ControlGRIS Trajectories

SpatGRIS Interface


ControlGRIS Configuration

SpatGRIS Controls

ControlGRIS CUBE View


ControlGRIS DOME View



How many channels is it possible to spatialize with SpatGRIS ?
In practice, we decided to limit the amount of input channels and the number of speakers to 128. We think this should be enough for the vast majority of potential situations in concert. You need more? Ask us!

SpatGRIS is NOT based on Jack anymore. It’s now independent.
This is the main difference with SpatGRIS 2. SpatGRIS 3 is independent from any virtual audio device. We recommend  and provide BlackHole because we like it, it’s robust, flexible and reliable. And it provides 128 inputs/outputs!

Can I do a quick test to see if it suits me ?
Absolutely. We have written a document called Quick Start Guide that allows you, in 11 easy steps, to configure your system. Works every time.

How to control spatialization with SpatGRIS ?
Right now, the best tool is the ControlGRIS which is a plug-in that you insert into your favourite sequencer. It is ControlGRIS that sends OSC data to SpatGRIS to establish positions and trajectories. ControlGRIS can also receive OSC data from different software running on iPad, like Open Stage Control and Lemur.

How many algorithms are there in SpatGRIS ?
There are five algorithms in SpatGRIS:
1) DOME (Vector Base Amplitude Panning), for loudspeaker domes.
2) CUBE (Matrix Base Amplitude Panning), for all other speaker configurations.
3) HYBRID, a DOME algorithm with some CUBE behaviours.
4) BINAURAL, for listening with headphones at home.
5) STEREO, for stereo listening on speakers.

Does SpatGRIS work on all platforms ?
Yes! SpatGRIS and ControlGRIS work very well on MacOS, from 10.15 (Catalina) to 12.6 (Monterey). There are also Windows 10 versions. BlackHole is not working for Windows, and will never do. Suggestions for alternatives are made in the manual.

Does SpatGRIS work with ProTools?

Yes!  We have produced an AAX version of ControlGRIS that is officially approved by AVID. This is one of the other great novelty of the version 3 of our tools.


SpatGRIS Quick Start Guide

This video illustrates the Quick Start Guide available in the SpatGRIS manual or separately!

How to emulate multichannel tracks in stereo DAW with SpatGRIS

Presentation of the signal routing in audio and  OSC


List of articles published by GRIS researchers about sound spatialization in music composition.

An Immersive Approach to 3D-Spatialized Music Composition, Audio Mostly 2018

D.Ledoux,  R.Normandeau

 learn more

SpatGRIS/ServerGRIS Creative tools for 2D and 3D sound spatialization, ICMC 2018

D.Ledoux,  R.Normandeau, O.Bélanger, C.Lengelé

 learn more

Vers une approche immersive de la composition musicale par le développement d’outils de spatialisation sonore: ControlGRIS et ServerGRIS, JIM 2019

D.Ledoux,  R.Normandeau, O. Bélanger, C. Lengelé

 learn more

They talk about sound spatialization

Object-Based Audio

« Immersive audio is necessary for any convincing XR experience. However, many times it is not clear how to create a natural audio layer when trying to go beyond traditional headphones […] »

 learn more

IMERSA Summit 2019

« The 10 year anniversary of the IMERSA (Immersive Media Entertainment, Research, Science & Arts) Summit was recently celebrated in a snowy Columbus, Ohio at COSI (Center of Science and Industry) […] »

 learn more

Audio Mostly 2018

« Short Papers : Sound in Immersion

An Immersive Approach to 3D Spatialized Music Composition: Tools and Pilot Survey
(David Ledoux and Robert Normandeau) »

 learn more

Our super Team

The GRIS (Groupe de recherche en immersion spatiale-Research Group in Spatial Immersion) was founded in 2009 in order to create tools for sound spatialization in multichannel format. A group of composers and programmers grouped around the Faculté de musique at Université de Montréal.

Robert Normandeau

Composer and professor

Mélanie Frisoli

Research Assistant
Composer, Master’s student

Nicola Giannini

Research Assistant Composer, doctoral student

Gaël Lane Lépine

Main Programmer

Devin Roth

Composer and programmer, Creator of BlackHole

David Piazza

Research Assistant Composer, bachelor student

Former programmers: Colin Martel, Antoine Missout, Joseph Thibaudeau. Vincent Berthiaume, Olivier Bélanger, Samuel Béland
Former assistants: Simone d’Ambrosio, Theo Mathien, Raphaël Néron-Baribeau, Ofer Pelz, Dominic Thibault, Alexis Langevin-Tétrault, Vincent Monastesse, David Ledoux, Yohan Brimicombe, Christophe Lengelé
Former trainees: Ludovic Laffineur, Antoine Landrieu, Nicolas Masson



Too many!




Contact us

We are a small team, but we are the first users of our software. Please send us comments, testimony, suggestions, bugs, We’ll do our best to enhance your experience with multichannel spatialization.

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    GRIS is subsidized by these organizations since 2008