The acoustics and restoration of ''Salone Pedrotti'' in Pesaro

This paper deals with the experimental results gathered in order to define the acoustic characteristics of the “Salone Pedrotti” in Pesaro, before its restoration. The hall is rectangular, with about 800 divided seats between the stalls and the two galleries. It is one of the few examples of shoe-box halls in Italy. To evaluate the acoustic characteristics of the hall, the main acoustic parameters in use today were measured at various points. The results of the measurements revealed values of the acoustic parameters which were very close to those considered optimal for halls of this size and use. From the results of the measurements, the great importance of the ceiling and the link between the top of the stage and the loft, comes out. The wall separating these two parts is formed by a light structure made of plaster and straw, unlike the heavy walls usually imposed by fire protection regulations. The ceiling is therefore not only a passive element of acoustic reflection, but also an active element, capable of radiating acoustic energy coming from the top of the stage. In view of the required restoration of the ceiling, further studies are being carried out in order to better understand the acoustic function of this element of the hall and to be able to give valuable advice regarding the necessary interventions to safeguard this acoustic function and at the same time strengthen the structure.