Acoustic Correction of the Regional Theatre of Bejaia (Algeria)

Theatres must have an adequate reverberation time depending on their intended use. In this paper the acoustic characteristics of the regional theatre of Bejaia (Algeria) built in 1936 is discussed. The hall has a regular geometry with the shape of a shoebox, with a capacity of 420 seats. Measurements of the acoustic characteristics were carried out using the bursting of an air-inflated balloon. The room has an excessive reverberation time, which is not suitable for the performance of prose shows, and so it is necessary to carry out an adequate acoustic correction to reduce the reverberation time and increase the STI to improve speech understanding. The aim of this work is to analyze, using architectural acoustics software, the conditions for improving the acoustics of the room in order to reduce the reverberation time. The study uses numerical modeling to evaluate the effects of modifying the material of the stage tower or inserting surfaces with adequate acoustic absorption. © 2025, Free University of Bozen Bolzano. All rights reserved.