WSEAS Transactions on Acoustics and Music
Print ISSN: 1109-9577
Volume 6, 2019
The New Teatro “Amintore Galli” in Rimini: Acoustic Design and Measurements on Diffusing Panels
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Abstract: The acoustic design of sound quality in Italian-style theatres and opera houses normally included the study of the acoustic absorptions of tissues in the main hall, the measurements in reverberant room of sound absorption of seats, the acoustic design of the Orchestra pit, which could be equipped with several acoustic panels. Nevertheless, no particular care is normally devoted to solving the effect of focalisation that often occurs in these special buildings. The focalisation in these theatres could compromise the overall acoustic quality and for this reason should be considered and avoided. During this plenary lecture, a short overview about the meaning of focalisation and its presence in the theatres will be presented. After some recalls about the theory of scattering and diffusion and its measurements, some examples of acoustic design of diffusing panels will be introduced. Moreover, some experimental measurements of sound scattering and diffusion, made following the ISO 17497 procedure, will be shown. Finally, these theories and examples will be applied to the acoustic design of the new Teatro Amintore Galli in Rimini, north-East of Italy. The results of the measurements made on some particular diffusing panels which have been designed for this theatre will be introduced, as well as the comments of musicians, performers and listeners after the opening, that occurred the 28th October 2018.
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Pages: 1-6
WSEAS Transactions on Acoustics and Music, P-ISSN: 1109-9577, Volume 6, 2019, Art. #1