Who We Are?

Atelier 7hz – Acoustic and vibrations engineering

A high-level expertise at the cutting edge of the latest technologies

Recognized experts by the scientific community
Multidisciplinary expertise in acoustic and vibration
Interest and openness to related fields

Creative, innovative and open-minded team

Acoustic, a vocation or a passion
Experts considerate of other specialties
Constant research of innovation

Modern and calibrated instrumentation

The use of a suitable measuring instrumentation
Innovation regarding new measuring methods

Efficient work method

Ergonomic and clear reports
Integrated design or on-demand intervention
Customer satisfaction survey

Useful and optimized recommendations

Solutions tailored to the needs of the customer
A constant consideration of costs

Effective calculation and simulation codes

Development of our own calculation tools
Proficiency with the latest software

The Team – Atelier 7hz

Raphaël Duée

Raphaël Duée

Ing. - President/Manager - Acoustic and Vibrations

Over the past twelve years, Mr. Raphaël Duée has acquired a multidisciplinary experience in the architectural, environmental, transportation and industrial acoustic and vibration fields. After being team leader for the engineering firm WSP (Décibel Consultants) and deputy manager of the engineering team of RATP, Mr. Duée now leads his own company Atelier 7hz. He has worked on a large set of projects such as acoustic optimization of residential and commercial projects, acoustic and vibration impact studies of railway lines, as well as the optimization of room acoustics, P.A. systems, interior insulation, HVAC systems, monitoring stations, etc. Mr. Duée took part in several research projects in the environmental acoustic and room acoustic domains.

Mathieu Wahiche

Mathieu Wahiche

Acoustic and Vibrations Professionnal

Passionate about the fields of acoustics and audio for several years, Mr. Mathieu Wahiche is a technician and equipment manager at Atelier 7hz. Its rigor of work ensures the realization of precise characterization measures. In parallel, Mr. Wahiche undergoes continuous training to become an engineer.

Luiz Melo

Luiz Melo

PhD Engineering Physics, Acoustic and Vibration Professional

Mr. Luiz Melo graduated a PhD in Physical Engineering from École Polytechnique de Montréal. He was a researcher at Polytechnique Montréal and professor-researcher at the Department of Electrical Engineering at the Federal University of Minas Gerais, Brazil. He now specializes in the field of vibration and acoustics.
William Tordjman

William Tordjman

Acoustic and Vibrations professionnal

Mr. William Tordjman completed a Master’s degree in Mechanical Engineering, Acoustics specialty, Physical Acoustics Course and then worked in the fields of acoustic engineering but also acoustics and audio research. His theoretical knowledge in acoustics and vibrations but also in signal processing are a major asset for Atelier 7hz.

Djesone Gomis

Djesone Gomis

Acoustic and Vibrations professionnal

M. Djesone Gomis is now part of the team. His knowledge in acoustic and vibrations and his education abroad are very useful for the team.

Darya Nasyedkina

Darya Nasyedkina

Accounting and Administration assistant

Darya is responsible for the accounting and administrative management of Atelier 7hz. Her rigor, her ideas and her interpersonnal skills are major assets for the company.

Alexis Martin

Alexis Martin

Eng. Jr. - Project Manager - Junior Acoustic and Vibrations Engineer

Alexis completed a Master’s degree in Electrical Engineering at the CRITIAS of the ETS in Montreal and graduated a Bachelor’s degree in Electrical Engineering at École Centrale d’Électronique (Paris, France) in 2015, with a specialization in embedded systems. Passionate about music, audio and electronics, he took an electroacoustic course at the National Conservatory of Arts and Crafts in Paris. He has acquired R&D experience at the Institute for Research and Coordination Acoustique / Musique (IRCAM). Through his research project related to the industrial sector, his interests have diversified and include audio, electronics, acoustics, signal processing, biomedical, health and safety of workers.

Maxime Léger

Maxime Léger

Eng. Jr. - Acoustic and Vibrations Engineer

Maxime has several experiences in mechanical engineering and project management.