Simulated Sound-Fields in a Multi-Configurable Auditorium

Bustamante, Pedro; Girón, Sara; Zamarreño, Teófilo

doi:10.2478/aoa-2014-0041

Cited by 3 publications

(1 citation statement)

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“…To analyze the sound field of Opera House, in situ measurements are performed, placing a lot of receivers in the hall and some sound sources on stage and orchestra pit [6,7] and recording monaural and binaural impulse responses (RIRs). Finally, measured impulse responses are used for the calculation of the room acoustic parameters.…”

Section: Introductionmentioning

confidence: 99%

Acoustic Reconstruction of Eszterháza Opera House Following New Archival Research

2020

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The Eszterháza Opera House was a theatre built by the will of the Hungarian Prince Nikolaus Esterházy in the second half of the 18th century that had to compete in greatness and grandeur against Austrian Empire. The composer that inextricably linked his name to this theatre was Haydn that served the prince and composed pieces for him for many years. The Opera House disappeared from the palace complex maps around 1865 and was destroyed permanently during the Second World War. This study aims to reconstruct the original shape and materials of the theatre, thanks to the documents founded by researchers in the library of the Esterházy family at Forchtenstein, the Hungarian National Library, and analyze its acoustic behavior. With the 3D model of the theatre, acoustic simulations were performed using the architectural acoustic software Ramsete to understand its acoustical characteristics and if the architecture of the Eszterháza Opera House could favor the Prince’s listening. The obtained results show that the union between the large volume of the theatre and the reflective materials makes the Opera House a reverberant space. The acoustic parameters are considered acoustically favorable both for the music and for the speech transmission too. Moreover, the results confirm that the geometry and the shape of the Eszterháza Opera House favored the Prince’s view and listening, amplifying onstage voices and focusing the sound into his box.

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Section: Introductionmentioning

confidence: 99%

Acoustic Reconstruction of Eszterháza Opera House Following New Archival Research

2020

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Development of acoustic computer simulation for performance spaces: A systematic review and meta-analysis

Wang

Kang

2022

Build. Simul.

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This article aims to review the development of acoustic computer simulation for performance spaces. The databases of Web of Science and Scopus were searched for peer-reviewed journal articles published in English between 1960 and 2021, using the keywords for “simulation”, “acoustic”, “performance space”, “measure”, and their synonyms. The inclusion criteria were as follows: (1) the searched article should be focused on the field of room acoustics (reviews were excluded); (2) a computer simulation algorithm should be used; (3) it should be clearly stated that the simulated object is a performance space; and (4) acoustic measurements should be used for comparison with the simulation. Finally, twenty studies were included. A standardised data extraction form was used to collect the modelling information, software/algorithm, indicators for comparison, and other information. The results revealed that the most used acoustic indicators were early decay time (EDT), reverberation time (T30), strength (G), and definition (D50). The accuracy of these indicators differed greatly. For non-iterative simulation, the simulation accuracies of most indicators were outside their respective just noticeable differences. Although a larger sample size was required for further validation, simulations of T30, EDT, and D50 all showed an increase in accuracy with increasing time from 1979 to 2020, except for G. In terms of frequency, the simulation was generally less accurate at lower frequencies, which occurred at T30, G, D50 and T20. However, EDT accuracy did not exhibit significant frequency sensitivity. The prediction accuracy of inter-aural cross-correlation coefficients (IACC) was even higher at low frequencies than it was at high frequencies. The average value of most indicators showed a clear systematic deviation from zero, providing hints for future algorithm improvements. Limitations and the risks of bias in this review were discussed. Finally, various types of benchmark tests were suggested for various comparison goals.

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Investigation Studies on the Application of Reverberation Time

Nowoświat

Olechowska

2016

Archives of Acoustics

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The paper presents the research studies carried out on the reverberation time of rooms, in terms of theoretical aspects and applicability potentials. Over the last century a very large number of scientists have been attempting to work out models describing the reverberation time in enclosed rooms. They have also been trying to apply these models for the description of various acoustic parameters of the interior, i.e. the intelligibility of speech, clarity, articulation, etc. In fact, all these models are based on the Sabine's statistical method. The paper presents the work of the scientists working on this problem, together with prospective applicability potentials. Such a review may be helpful for researchers, designers or architects involved in the discussed subject.

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Simulated Sound-Fields in a Multi-Configurable Auditorium

Cited by 3 publications

References 35 publications

Acoustic Reconstruction of Eszterháza Opera House Following New Archival Research

Acoustic Reconstruction of Eszterháza Opera House Following New Archival Research

Development of acoustic computer simulation for performance spaces: A systematic review and meta-analysis

Investigation Studies on the Application of Reverberation Time

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