CONCEPTION ET IMPLÉMENTATION D'UNE CAMÉRA ACOUSTIQUE 3D PORTABLE BASÉE SUR GPU POUR LA GESTION DU BRUIT INDUSTRIEL

Loïc Boileau; Joël Lemay; Kevin Rouard; Loïc Forma; Julien St-Jacques; Olivier Doutres; Thomas Padois; Frank Sgard; Hugues Nélisse; Alain Berry; François Grondin; Nicolas Quaegebeur

CONCEPTION ET IMPLÉMENTATION D'UNE CAMÉRA ACOUSTIQUE 3D PORTABLE BASÉE SUR GPU POUR LA GESTION DU BRUIT INDUSTRIEL

Translated title of the contribution: Design and implementation of a portable, GPU-based 3D acoustic camera for industrial noise management

Loïc Boileau
, Joël Lemay
, Kevin Rouard
, Loïc Forma
, Julien St-Jacques
, Olivier Doutres
, Thomas Padois
, Frank Sgard
, Hugues Nélisse
, Alain Berry
, François Grondin
, Nicolas Quaegebeur

Université de Sherbrooke
École de technologie supérieure
Institut de recherche Robert-Sauvé en santé et en sécurité du travail

Research output: Contribution to journal › Journal Article › peer-review

Abstract

The increasing prevalence of noise-induced hearing loss among industrial workers highlights the need for advanced noise source localization in noisy, confined workplaces. This project presents a portable, GPU-based 3D acoustic camera that combines a spherical array of 64 MEMS microphones with cutting-edge signal processing on a GPU platform. Innovations include time-division multiplexing (TDM) and a modified I2S protocol, enabling microphone spacing up to 400 mm and simplifying the design of extended 3D arrays. Results using a 315 mm radius spherical array and a 360° depth camera deliver a 30 Hz refresh rate over a 150,000-pixel grid. The system provides precise, real-time noise localization, contributing to workplace noise assessment and hearing loss prevention.

Translated title of the contribution	Design and implementation of a portable, GPU-based 3D acoustic camera for industrial noise management
Original language	French
Journal	Canadian Acoustics - Acoustique Canadienne
Volume	54
Issue number	2
Publication status	Published - 1 Jun 2026

Cite this

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title = "CONCEPTION ET IMPL{\'E}MENTATION D'UNE CAM{\'E}RA ACOUSTIQUE 3D PORTABLE BAS{\'E}E SUR GPU POUR LA GESTION DU BRUIT INDUSTRIEL",

abstract = "The increasing prevalence of noise-induced hearing loss among industrial workers highlights the need for advanced noise source localization in noisy, confined workplaces. This project presents a portable, GPU-based 3D acoustic camera that combines a spherical array of 64 MEMS microphones with cutting-edge signal processing on a GPU platform. Innovations include time-division multiplexing (TDM) and a modified I2S protocol, enabling microphone spacing up to 400 mm and simplifying the design of extended 3D arrays. Results using a 315 mm radius spherical array and a 360° depth camera deliver a 30 Hz refresh rate over a 150,000-pixel grid. The system provides precise, real-time noise localization, contributing to workplace noise assessment and hearing loss prevention.",

keywords = "acoustic camera, GCC, GPU, Noise source localization, real-time imagery, time-division multiplexing",

author = "Lo{\"i}c Boileau and Jo{\"e}l Lemay and Kevin Rouard and Lo{\"i}c Forma and Julien St-Jacques and Olivier Doutres and Thomas Padois and Frank Sgard and Hugues N{\'e}lisse and Alain Berry and Fran{\c c}ois Grondin and Nicolas Quaegebeur",

year = "2026",

month = jun,

day = "1",

language = "Fran{\c c}ais",

volume = "54",

journal = "Canadian Acoustics - Acoustique Canadienne",

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T1 - CONCEPTION ET IMPLÉMENTATION D'UNE CAMÉRA ACOUSTIQUE 3D PORTABLE BASÉE SUR GPU POUR LA GESTION DU BRUIT INDUSTRIEL

AU - Boileau, Loïc

AU - Lemay, Joël

AU - Rouard, Kevin

AU - Forma, Loïc

AU - St-Jacques, Julien

AU - Doutres, Olivier

AU - Padois, Thomas

AU - Sgard, Frank

AU - Nélisse, Hugues

AU - Berry, Alain

AU - Grondin, François

AU - Quaegebeur, Nicolas

PY - 2026/6/1

Y1 - 2026/6/1

N2 - The increasing prevalence of noise-induced hearing loss among industrial workers highlights the need for advanced noise source localization in noisy, confined workplaces. This project presents a portable, GPU-based 3D acoustic camera that combines a spherical array of 64 MEMS microphones with cutting-edge signal processing on a GPU platform. Innovations include time-division multiplexing (TDM) and a modified I2S protocol, enabling microphone spacing up to 400 mm and simplifying the design of extended 3D arrays. Results using a 315 mm radius spherical array and a 360° depth camera deliver a 30 Hz refresh rate over a 150,000-pixel grid. The system provides precise, real-time noise localization, contributing to workplace noise assessment and hearing loss prevention.

AB - The increasing prevalence of noise-induced hearing loss among industrial workers highlights the need for advanced noise source localization in noisy, confined workplaces. This project presents a portable, GPU-based 3D acoustic camera that combines a spherical array of 64 MEMS microphones with cutting-edge signal processing on a GPU platform. Innovations include time-division multiplexing (TDM) and a modified I2S protocol, enabling microphone spacing up to 400 mm and simplifying the design of extended 3D arrays. Results using a 315 mm radius spherical array and a 360° depth camera deliver a 30 Hz refresh rate over a 150,000-pixel grid. The system provides precise, real-time noise localization, contributing to workplace noise assessment and hearing loss prevention.

KW - acoustic camera

KW - GCC

KW - GPU

KW - Noise source localization

KW - real-time imagery

KW - time-division multiplexing

UR - https://www.scopus.com/pages/publications/105053512398

M3 - Article publié dans une revue, révisé par les pairs

AN - SCOPUS:105053512398

SN - 0711-6659

VL - 54

JO - Canadian Acoustics - Acoustique Canadienne

JF - Canadian Acoustics - Acoustique Canadienne

IS - 2

ER -

CONCEPTION ET IMPLÉMENTATION D'UNE CAMÉRA ACOUSTIQUE 3D PORTABLE BASÉE SUR GPU POUR LA GESTION DU BRUIT INDUSTRIEL

Abstract

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