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Review of acoustic sources alternatives to a dodecahedron speaker

Papadakis Nikolaos, Stavroulakis Georgios

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URIhttp://purl.tuc.gr/dl/dias/4550D5FB-7CED-420C-BEF6-50FD2B5F15E3-
Identifierhttps://doi.org/10.3390/app9183705-
Identifierhttps://www.mdpi.com/2076-3417/9/18/3705-
Languageen-
Extent32 pagesen
TitleReview of acoustic sources alternatives to a dodecahedron speakeren
CreatorPapadakis Nikolaosen
CreatorΠαπαδακης Νικολαοςel
CreatorStavroulakis Georgiosen
CreatorΣταυρουλακης Γεωργιοςel
PublisherMDPIen
Content SummaryAn omnidirectional source is required in many acoustic measurements. Commonly a dodecahedron speaker is used but due to various factors (e.g., high cost, transportation difficulties) other acoustic sources are sometimes preferred. In this review, fifteen acoustic source alternatives to a dodecahedron speaker are presented while emphasis is placed on features such as omnidirectionality, repeatability, adequate sound pressure levels, even frequency response, accuracy in measurement of acoustic parameters and fulfillment of ISO 3382-1 source requirements. Some of the alternative acoustic sources have the appropriate features to provide usable results for acoustic measurements, some have acoustic characteristics better than a dodecahedron speaker (e.g., omnidirectionality in the high-frequency range), while some can potentially fulfill the ISO 3382-1 source requirements. Collected data from this review can be used in many areas (e.g., ISO measurements, head-related transfer functions measurements) for the appropriate selection of an acoustic source according to the expected use. Finally, suggestions for uses and future work are given aimed at achieving further advances in this field.en
Type of ItemΑνασκόπησηel
Type of ItemReviewen
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2020-04-30-
Date of Publication2019-
SubjectAcoustic measurementsen
SubjectAcoustic parametersen
SubjectAuralizationen
SubjectDodecahedronen
SubjectImpulse response measurementsen
SubjectISO 3382en
SubjectOmnidirectional sourceen
SubjectReverberation timeen
SubjectSound sourceen
Bibliographic CitationN.M. Papadakis and G.E. Stavroulakis, "Review of acoustic sources alternatives to a dodecahedron speaker," Appl. Sci., vol. 9, no. 18, Sep. 2019. doi: 10.3390/app9183705en

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