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Acoustic Enhancement of a Modern Church

1
Department of Architecture and Industrial Design, Università della Campania “Luigi Vanvitelli”, Borgo San Lorenzo, 81031 Aversa (Ce), Italy
2
Department of Architectural Science, Ryerson University, Toronto, ON M5B 2K3, Canada
3
Department of Engineering, Università degli Studi del Sannio, piazza Roma, 82100 Benevento, Italy
4
Università della Basilicata, N. Sauro, 85100 Potenza, Italy
*
Author to whom correspondence should be addressed.
Buildings 2019, 9(4), 83; https://doi.org/10.3390/buildings9040083
Received: 11 February 2019 / Revised: 27 March 2019 / Accepted: 8 April 2019 / Published: 15 April 2019
(This article belongs to the Special Issue Noise Control in Buildings)
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Abstract

This paper presents the study of the intervention for the acoustic correction of a modern church. The investigated church was built in the 1960s, with a brutalist style and with a squared plan. The hard materials, including a marble floor and hard plastered walls, were responsible for its reverberation time of over 5 s, resulting in poor speech comprehension. As common in worship spaces, the acoustic improvement interventions were challenged by the denial of covering the walls and the vault with conventional sound-absorbing materials due to aesthetic and architectural reasons. In order to carry out an adequate acoustic correction, while involving minimal interventions, the possibility of using light sound absorbing ceiling sheets was analyzed. The study is divided into three phases: Firstly, the acoustic characteristics of the current building were measured; then, new materials for adequate sound absorption were studied; finally, acoustic simulations were used to evaluate the effects on the acoustic characteristics for different intervention scenarios. The final room was able to shorten its reverberation time to about 2.0 s. View Full-Text
Keywords: acoustic measurements; room acoustics; church acoustics; sound absorbing materials; acoustic modelling acoustic measurements; room acoustics; church acoustics; sound absorbing materials; acoustic modelling
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Iannace, G.; Berardi, U.; De Rossi, F.; Mazza, S.; Trematerra, A.; Ciaburro, G. Acoustic Enhancement of a Modern Church. Buildings 2019, 9, 83.

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