Assessment of acoustical indicators in multi-domed historic structures by non-exponential energy decay analysis

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buir.contributor.authorGül, Zühre Sü
dc.citation.epage192en_US
dc.citation.issueNumber2en_US
dc.citation.spage181en_US
dc.citation.volumeNumber46en_US
dc.contributor.authorGül, Zühre Süen_US
dc.contributor.authorÇalışkan, M.en_US
dc.contributor.authorTavukçuoğlu, A.en_US
dc.contributor.authorXiang, N.en_US
dc.date.accessioned2019-02-21T16:01:21Z
dc.date.available2019-02-21T16:01:21Z
dc.date.issued2018en_US
dc.departmentDepartment of Architectureen_US
dc.description.abstractThe key concern of this study is to discuss the reliable acoustical metrics for analyzing particular sound fields within monumental multi-domed sacred spaces with an emphasis on multiple sound energy decay formation. The potential of such structures in featuring non-exponential sound energy decay characteristics necessitates new formulation of sound decay indicators in understanding of their sound fields. The early and late energy decay components within non-exponential sound energy decays can have a unique contribution to the interior acoustic quality. These acoustical features can also provide the functional and spiritual acoustical needs of monumental sacred spaces. Süleymaniye Mosque and Hagia Sophia, two major monuments of Istanbul World Heritage Site, are examined in this regard. Field measurements are the main method of data collection. Over collected room impulse responses, relevant acoustical predictors including decay rates and decay times are computed by applying Bayesian decay parameter estimation. Analysis results disclose double or triple decay formations in both structures. Authors argue that, the detection of multiple sound energy decays in analyzed structures sets out a new vision for room acoustics studies of sacred spaces and for multi-domed monuments. Thus, implementation of new metrics, namely multiple slope decay parameters to replace classical room acoustics indicators, is recommended and discussed in light of the outcomes of this study.en_US
dc.description.sponsorshipAcknowledgements The authors would like to express their gratitude to the General Directorate of Pious Foundations (Vakıflar Genel Müdürlü˘gü) for providing measured drawings of Süleymaniye Mosque and for giving permissions on field measurements. Turkish Ministry of Culture and Tourism, and General Directorate of Turkish Cultural Heritage and Museums are gratefully acknowledged for their permissions on Hagia Sophia field measurements.en_US
dc.identifier.doi10.1007/s40857-018-0136-9en_US
dc.identifier.issn0814-6039 (print)en_US
dc.identifier.issn1839-2571 (online)en_US
dc.identifier.urihttp://hdl.handle.net/11693/49826en_US
dc.language.isoEnglishen_US
dc.publisherSpringeren_US
dc.relation.isversionofhttps://doi.org/10.1007/s40857-018-0136-9en_US
dc.relation.projectMinistry of Culture and Sporten_US
dc.source.titleAcoustics Australiaen_US
dc.subjectAcoustical indicatorsen_US
dc.subjectBayesian analysisen_US
dc.subjectHagia Sophia in Istanbulen_US
dc.subjectMultiple sound energy decayen_US
dc.subjectSacred space acousticsen_US
dc.subjectSüleymaniye Mosqueen_US
dc.titleAssessment of acoustical indicators in multi-domed historic structures by non-exponential energy decay analysisen_US
dc.typeArticleen_US

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