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EnglishThe acoustic design of an octagonal hall is briefly resumed in this work. Some hypothesis on the modal characteristics of the hall have been proposed, Following these hypotheses, a system of asymmetrical suspended reflectors has been installed to allow the modal control and to optimize the early reflections. The acoustic design of the hall, permitted to get: - EDT and C80 - high diffuseness of the sound field; values adequate to the intended use of the hall; - quite constant values of the sound energy in the seat areas and high sound pressure levels; - a certain degree of variable acoustics to agree with the request of performers. Ando’s subjective preference functions have been also calculated for different sound signals, represented by their (τe)min values.
| Titolo: | Acoustic control in octagonal geometry: case study of the ‘Torri dell’acqua’ auditorium | |
| Autore/i: | D'ORAZIO, DARIO; GARAI, MASSIMO | |
| Autore/i Unibo: | ||
| Anno: | 2011 | |
| Serie: | ||
| Titolo del libro: | Proceedings of the 8th International Conference on Auditorium Acoustics | |
| Pagina iniziale: | 125 | |
| Pagina finale: | 132 | |
| Abstract: | The acoustic design of an octagonal hall is briefly resumed in this work. Some hypothesis on the modal characteristics of the hall have been proposed, Following these hypotheses, a system of asymmetrical suspended reflectors has been installed to allow the modal control and to optimize the early reflections. The acoustic design of the hall, permitted to get: - EDT and C80 - high diffuseness of the sound field; values adequate to the intended use of the hall; - quite constant values of the sound energy in the seat areas and high sound pressure levels; - a certain degree of variable acoustics to agree with the request of performers. Ando’s subjective preference functions have been also calculated for different sound signals, represented by their (τe)min values. | |
| Data prodotto definitivo in UGOV: | 26-giu-2013 | |
| Appare nelle tipologie: | 4.01 Contributo in Atti di convegno |
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