Acoustic measurements of Bonci theatre in 2012

The acoustical quality of an historical theatre may be assessed using the criteria extracted from impulse responses (IRs) measured at listener seats. ISO 3382 recommends a minimal set of positions, but also suggests that increasing the receiver number the accuracy of the measurements increases. The Charter of Ferrara suggests different minimum sets of measurement points in different historical type of theatres. The present study evaluates the accuracy of measurements studying the statistics of the monaural criteria of the reverberation time (T30 and EDT) extracted from IRs. Measurements of IR have been made in the Bonci Theatre in Cesena. The Bonci theatre has been built in the 19th century, is horse-shoe shaped with an audience, four tier and a gallery. It may already object of a round robin test of the italian research groups in 2003 [9] and may be assumed an adequate case study of italian historical theatre.