Acoustic Enhancement of a Modern Church

Iannace, Gino; Berardi, Umberto; Rossi, Filippo de; Mazza, Salvatore; Trematerra, Amelia; Ciaburro, Giuseppe

doi:10.3390/buildings9040083

Cited by 18 publications

(12 citation statements)

References 20 publications

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“…To increase the level of speech definition and move the speech clarity index to be within the optimal range limits, the authors propose acoustic treatments to be applied mainly on the walls [32][33][34][35][36]. A limitation of this study is related to the utilization of the balloon pops, given a certain directivity and a limited spectrum width.…”

Section: Discussionmentioning

confidence: 99%

“…The investigation undertaken by the authors selects five Albanian mosques comparable volume size and similar dimensions of the squared prayer rooms. T comes highlight a lack of speech understanding, especially at low frequencies [27-ture research studies have been introduced to balance the response across the fr spectrum and apply some acoustic treatments where the simulations will detect face areas that contribute to arise echoes and focalization defects [32][33][34][35][36][37][38].…”

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confidence: 99%

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Ottoman Mosques in Albania: Building Acoustic Exploration inside Five Case Studies

et al. 2021

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The Ottoman mosques of the 15th and 16th centuries represent an architectural typology that has been replicated in territories out of the Middle East for as long as Islam spread its influence on other countries. This paper deals with the determination of the acoustic properties inside a few Ottoman mosques located in different cities of Albania, specifically in Elbasan, Berat, Kavaja, Tirana and Shkodra. A comparison between the prayer rooms of these five mosques has been undertaken in terms of the main acoustic parameters by following the standard requirements outlined in ISO 3382-1. The architectural characteristics of the single-unit mosques chosen for this research study are determined by the domed-square musalla, which has a comparable volume size among all five mosques. Results gathered by the acoustic measurements undertaken in unoccupied conditions highlight an overall lack of speech understanding given the values of some acoustic parameters fairly acceptable. This outcome is justified by the geometrical configuration, worsened by the presence of a dome that creates a focusing effect of the sound rays, and by the reflecting finish materials applied to walls and roof that facilitate the build-up defect of echoes.

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Section: Discussionmentioning

confidence: 99%

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confidence: 99%

Ottoman Mosques in Albania: Building Acoustic Exploration inside Five Case Studies

et al. 2021

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“…Figure 11 shows the positions of sound source (scene building and orchestra) and the positions of the twelve receivers in the cavea. Even if the ancient theatres are an open space without a roof and without significant reflective surfaces, the acoustic parameters for good listening conditions refer to closed theatres, and Table 2 shows the optimal values of the acoustic parameters in different performances (musical or speech) [25,26]. Referring to the position of the sound source in the orchestra and on the scene building, Figure 12 shows the average measured values of the acoustic parameters: EDT, T30, D50 and C80, in the octave band frequencies from 125 Hz to 4000 Hz, in accordance with the ISO 3382 standard [27][28][29].…”

Section: Acoustic Measurementsmentioning

confidence: 99%

The Acoustics of the Benevento Roman Theatre

et al. 2021

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During the Imperial Roman period, thousands of theatres were built. The theatres have three principal elements: the scene building (actor position), the orchestra and the cavea (spectator seating). The theatres were built without a roof, so they were open-air spaces. The theatres were abandoned afterward the barbarian invasions, and during the Middle Ages, homes were built inside the cavea. The theatres were rediscovered during the Renaissance period. Today, ancient theatres are the center of cultural events and are used for various kinds of shows. This work discussed the acoustics of the Roman theatre of Benevento, which was built during the Imperial Age. The theatre was destroyed after the barbaric invasion and it was rebuilt in the first half of the 1900s. The theatre was opened in 1957, and today it is the center of social and cultural activities. Acoustic measurements were carried out according to ISO 3382 standard, placing an omnidirectional sound source on the scene building and in the orchestra, with the measurement microphones along three directions in the cavea. The acoustic characteristics in various seating areas of the cavea were evaluated. Therefore, it possible to understand in which sectors of the theatre the acoustic characteristics are optimal for different types of theatrical performances.

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“…The indices STI can take values between 0 and 1, being greater than 0.5 for favorable speech conditions. Table 2 shows a synthesis of the optimal acoustic parameters' values for different listening conditions [41][42][43][44][45]. Optimal values for speech performances 1.0 0.8 < T 30 < 1.2 >0.5…”

Section: Acoustics Reconstructionmentioning

confidence: 99%

Acoustic Design of Ancient Buildings: The Odea of Pompeii and Posillipo

et al. 2020

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In this paper, a typology of a building erected in Ancient Greece and Ancient Rome is described: the Odeon. The Odeon is a covered building, but more modest in size than traditional open-air theatres without roofs. The Odeon could hold a few hundred spectators and therefore a smaller audience. The roof covering allowed the possibility of meetings even in adverse weather conditions. The etymology of the word of the Odeon (covered theatre) means the place of the ode, or of the songs. In this paper are discussed the architectonic and acoustic characteristics of the Odea of Pompeii and Posillipo. With commercial software (Odeon, Room Acoustics Software, Lyngby Denmark) we assess the acoustic characteristics of the Odea of Pompeii and Posillipo in the presence of an original roofing system and show that these buildings were well suited for music, songs and speech.

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Acoustic Enhancement of a Modern Church

Cited by 18 publications

References 20 publications

Ottoman Mosques in Albania: Building Acoustic Exploration inside Five Case Studies

Ottoman Mosques in Albania: Building Acoustic Exploration inside Five Case Studies

The Acoustics of the Benevento Roman Theatre

Acoustic Design of Ancient Buildings: The Odea of Pompeii and Posillipo

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