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On the performance of existing acoustic energy models when applied to multi-purpose performance halls

Gao, Jianliang; Tang, S. K.; Zhao, Yuezhe; Cai, Yangsheng; Pan, Lili

Authors

Jianliang Gao

S. K. Tang

Yuezhe Zhao

Yangsheng Cai

Lili Pan



Abstract

Acoustical measurements were done in two multi-purpose performance halls in the present study. The measured data are compared with predictions from three acoustic energy models in existing literature derived for churches and large reverberant theatres. Results show that the model suitable for the present multi-purpose performance halls is the one which takes into account the time difference between direct sound arrival and onset time of reverberant sound decay. However, unlike the church cases, the time difference appears to have no direct definite relationship with the source-receiver distance alone. A method for the prediction of time difference is then proposed for multi-purpose performance hall application. In addition, the prediction of the late reflected energy is not satisfactory, and this deficiency is the main problem leading to the inaccurate estimation of clarity, definition and centre time in the present study.

Citation

Gao, J., Tang, S. K., Zhao, Y., Cai, Y., & Pan, L. (2020). On the performance of existing acoustic energy models when applied to multi-purpose performance halls. Applied acoustics. Acoustique appliqué. Angewandte Akustik, 167, Article 107401. https://doi.org/10.1016/j.apacoust.2020.107401

Journal Article Type Article
Acceptance Date Apr 24, 2020
Online Publication Date May 26, 2020
Publication Date 2020-10
Deposit Date Jul 11, 2022
Publicly Available Date Sep 5, 2022
Journal Applied Acoustics
Print ISSN 0003-682X
Electronic ISSN 1872-910X
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 167
Article Number 107401
DOI https://doi.org/10.1016/j.apacoust.2020.107401
Keywords Architectural acoustics; Acoustic energy models; Sound propagation; Performance halls
Public URL https://hull-repository.worktribe.com/output/4015657

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