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The sound absorption of wall coverings and objects inside a room contributes to the acoustic comfort of the room. It limits the reverberation of echoes reflected by walls and objects. LNE is equipped with means to measure the αS and αW coefficients, according to the international standards in force.
Services offered
Sound absorption tests to determine the αS and αW, coefficients according to the standards:
- ISO 354
- NF EN ISO 11654
For products such as:
- Office equipment
- Wall Partitions
- Noise barriers
Reverberant room
LNE has a reverberation room, with a volume of 218m3, in accordance with the recommendations of the NF EN ISO 354 standard.
Visit our reverberant room
Examples of tested products
Tests in reverberant rooms, measuring the acoustic absorption of furniture
Measurement of absorption coefficients of materials
LNE clients testify
Les experts du LNE nous ont accompagnés pendant les deux jours de test, répondant ainsi à un réel besoin d’échanges […] Cela nous a permis de bénéficier d’explications poussées et de comprendre les essais, la méthodologie, et les avantages procurés une fois les cloisons utilisées au sein d’un bâtiment.
Clément GORON
Chargé d’études France et Export - Laudescher
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