ACOUSTICS

Studiotech carries out studies and measurements of insulation and acoustic correction of premises. To carry out these studies, Studiotech has adapted software and 2D and 3D computer simulation tools CATT Acoustic V9.1 as well as instrumentation of measurement class 1.

Environmental insulation

Studiotech has the skills and tools to calculate sound insulation for airborne noise, traffic noise, solid sound transmissions and parasitic transmissions. Our engineers determine the materials to be used in compliance with the EN ISO (RA and RA tr) standards as well as the regulations in force.

Studiotech also defines the strategies to be implemented:

  • Choice of constructive materials and techniques (R)

  • Determination of the means to reduce noise transfer by different technics (decoupling of floors, partitions etc by using floating slabs, elastic cuts with non-resilient materials, etc.)

  • Choice of equipment according to their sound emission spectrum levels and technologies. Definition of their implementations, decouplings and possible rollovers

  • Search for sound bridges, etc.

Acoustic Correction of Premises

Its purpose is to ensure their acoustic quality, their comfort of diffusion, listening and intelligibility.

We calculate and define the parameters to be implemented:

  • Wise calculation and dimensioning of shapes, surfaces and volumes

 

  • Determination and positioning of absorbent or reflective surfaces, porous materials (α Sabine), resonators, membranes, etc.

Results to achieve compliance with standards and best practices:

  • Sound emergence conforming to NR curves

  • Reverberation time Tr 60

  • Intelligibility expressed in RASTI, STI.

  • Clarity D50

  • Spatial decay

  • Positioning of speakers

  • Electro-acoustic illumination

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Belgium Ministry of Equipment and Transport in Namur Reverberation time before treatment of the dome 4.7 seconds, intelligibility <50%

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Namur MET Treatment of the cupola by projection of 5 cm of open-cell coating type Sonophone-1, reverberation time 1.2 seconds

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Namur MET After placing Topakustik panels at the four corners of the room, reverberation time 1 second

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Namur MET After laying a heavy wool tapestry, reverberation time 0.8 seconds, intelligibility> 75%

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Belgium ULB Placement of Rockfon Ellipse rockwool hanging panels, finished by a transonore veil, color of choice, excellent Sabine coefficient

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Luxembourg BIL Ceiling and lining of engines in Gyptone panels with 20% perforations on plenum and mineral wool

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Luxembourg 4 floodlights in resting position closed ceiling, excellent coefficient of absorption of the plenum

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Belgium Puilaetco Dewaay Bank Rockfon slab ceiling, wall-mounted decorative panels Texaa in melamine foam Vibrasto finish

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Algeria Sonatrach Production Hassi Messaoud Placement of Class Ib acoustic metal doors lined with Polyrey wood panels laid in hollow joints

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Sonatrach Room Irara Completion of the wall plenum by acoustic panels Polyrey and moucharabieh, absorbing 5cm of melamine foam

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Room Irara Technical control, wall absorbent Vibrasto, melanin foam and transonore fabric in upholstery

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Roon of ''24 Février'' Wall plenum with melamine foam, finished with wood panels with 19% horizontal perforations

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Room of 24 February Plenum ceiling containing mineral wool slabs, finishing with panels Gyptone Quattro 20% square perforations

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Hassi Messaoud Room Acoustic ceiling completion detail

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Hall Haoud El Hamra Wall plenum with mineral wool finishes Laudescher panels, perforations 19%, melamine foam ceiling under trans-woven fabrics maintained by an aluminum frame

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Belgium Interbank Agency Isabel Ceiling with finishing Gyptone Quattro on plenum melamine foam

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Sonatrach Hassi Messaoud Interpretive booth with wall absorbent Vibrasto, glazing insulating glass Glaverbel 46mm laminated inclined by 7 °

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Hassi Messaoud Relex room with melamine foam plenum ceiling, Gyptone Quattro finish, wood panel finishes 20% perforation for acoustic correction

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Hotel El Aurassi Plenum with 6cm of mineral wool, Bruynzeel panels, perforations 19%

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Hotel El Aurassi Detail of the mineral wool plenum attached to the front of the existing walls

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Computer prediction 2D reverberation time by Studiotech

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Computer prediction 2D reverberation time by Studiotech

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Prediction of complete echogram T60 and D50

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Studiotech disposes of all the measuring equipment class 1