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Title: Relation between Direction-of-Arrival distribution of reflected sounds in late reverberation and room characteristics: Geometrical acoustics investigation
Authors: Izumi, Yuto
Otani, Makoto  kyouindb  KAKEN_id  orcid (unconfirmed)
Author's alias: 泉, 悠斗
大谷, 真
Keywords: Direction-of-Arrival
Late reverberation
Plane wave decomposition
Decay cancellation
Issue Date: May-2021
Publisher: Elsevier BV
Journal title: Applied Acoustics
Volume: 176
Thesis number: 107805
Abstract: It has been reported that Direction-of-Arrival (DoA) distribution of reflected sounds is not isotropic in late reverberation. However, it is not clear how room characteristics contribute to the anisotropic DoA distribution. In this paper, the relation between DoA distribution in late reverberation and room characteristics is analyzed by using geometrical acoustic simulation and plane wave decomposition. The computational results showed that the DoA distribution in late reverberation is biased depending on the arrangement of absorptive surfaces and the shape of the room while the source position does not have prominent effects.
Rights: © 2021. This manuscript version is made available under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International license.
The full-text file will be made open to the public on 01 May 2023 in accordance with publisher's 'Terms and Conditions for Self-Archiving'.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
DOI(Published Version): 10.1016/j.apacoust.2020.107805
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