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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/15773

Title: Relationship between discomfort sound and its physical correlates
Authors: Takahashi, Yumiko
Akagi, Masato
Issue Date: 2019-03-06
Publisher: Research Institute of Signal Processing, Japan
Magazine name: 2019 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP2019)
Start page: 311
End page: 314
Abstract: In serious disasters as earthquake and typhoon, emergency evacuation calls are important. To listen the calls clearer, it is necessary to improve salience of those calls. Since discomfort sounds seem to be salient, it is effective to increase discomfort of the sound to make the calls salient. If these characteristics of calls are clearly known, salient sound could be designed. We clarify what kind of physical quantity is related to sound discomfort. In order to clarify the physical characteristics of discomfort sound, correlations between evaluation values of discomfort obtained by listening experiment and the value of the calculated physical properties are investigated. As a result, discomfort of the sound has a positive correlation with spectral centroids. Therefore, it can be said that the higher the frequency of the spectral centroid, the more discomfort it feels. It means that it feels discomfort as sharpness sound.
Rights: Copyright (C) 2019 Research Institute of Signal Processing, Japan. Yumiko Takahashi and Masato Akagi, 2019 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP2019), 2019, 311-314.
URI: http://hdl.handle.net/10119/15773
Material Type: publisher
Appears in Collections:b11-1. 会議発表論文・発表資料 (Conference Papers)

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