Journal article Open Access

INFLUENCE OF TRANSPARENT ROOFING SYSTEMS ON ROOM ACOUSTIC PROPERTIES OF LARGE ATRIA

Daniel Urbán, Lukáš Zelem, Carl Maywald, Christ Glorieux, Monika Rychtáriková

This paper investigates the influence of roofing systems based on structural skins such as an ETFE cushion systems, textile
membranes, micro-perforated foils and polycarbonate sheets, on the room acoustic quality of large halls. In situ acoustic measurements
in three large atria covered by ETFE were performed and compared in terms of their reverberation time, overall sound
absorption and sound pressure level due to indoor noise. Several alternatives based on different roofing systems are suggested in
the three atria and simulated by a ray-based algorithm, in order to assess the influence of the ceiling surface on the acoustic quality
in large halls.

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