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CLARITY aims to provide its expertise in the development of architectural projects with regard to acoustics and vibrations.


Thomas Argence is an consultant engineer graduate of the ENSI of Poitiers in Acoustics Engineering. He made his debut in Tokyo, London and Paris in prestigious consultancy firm in order to collaborate with internationally renowned architectural agencies.

He then decided to create the CLARITY agency in Paris, in line with his values ​​and his approach to the consulting business.

With more than 16 years of experience, he uses his expertise in acoustics to develop large-scale projects: stadiums, arenas, conservatories, museums, schools, offices and housing.


Our design office specializes in acoustics.
Like a workshop, our approach consists of getting involved in understanding the project and the architectural issues, in order to offer tailor-made, creative and innovative solutions.

Based in the 11th arrondissement of Paris, our scope of action covers both national and international scale.



    • 1 sound & vibration level meter type 1
    • 1 portable PA loudspeaker
    • 2 alarm guns
    • 2 microphone tripods
    • 1 waterproof case
    • 1 mirrorless camera
    • 1 tripod


    • Room acoustics: CATT Acoustics
    • Environmental acoustics: Cadnaa, INoise
    • Building acoustics: Insul, Zorba, Acoubat BIM
    • Metrology software 01 dB, Norsonic, Svantek, Room EQ Wizard
    • CAD: REVIT LT and AutoCAD LT, Sketchup PRO
    • BIM : REVIT LT, AcoubatBIM
    • Interior and exterior lighting: Dialux
    • CAD: AutoCAD LT, Sketchup
    • Photosimulation: Photoshop

The reasons for the company name 'Clarity' stem from the various meanings of the word:

In acoustics : Clarity (C80) is an acoustical criterion which defines how clear the sound quality is in a room. The better the clarity, the more we can distinguish the notes of an instrument or a soloist's voice.It is the logarithmic ratio of early sound energy (energy received by the listener in the first 80 ms) to the late sound energy (after 80 ms).

 In consulting : it is fundamental for consultants to be able to express themselves clearly to best advise their clients.

 As a business value : we strive for clarity in both our approach to work and our professional relationships.

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