ファイル | |
言語 |
英語
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著者 |
下倉 良太
奈良県立医科大学
Hosoi, Hiroshi
Nishimura, Tadashi
Iwakura, Takashi
Yamanaka, Toshiaki
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内容記述(抄録等) | When the aural cartilage is made to vibrate it generates sound directly into the external auditory canal which can be clearly heard. Although the concept of cartilage conduction can be applied to various speech communication and music industrial devices (e.g. smartphones, music players and hearing aids), the conductive performance of such devices has not yet been defined because the calibration methods are different from those currently used for air and bone conduction. Thus, the aim of this study was to simulate the cartilage conduction sound (CCS) using a head and torso simulator (HATS) and a model of aural cartilage (polyurethane resin pipe) and compare the results with experimental ones. Using the HATS, we found the simulated CCS at frequencies above 2 kHz corresponded to the average measured CCS from seven subjects. Using a model of skull bone and aural cartilage, we found that the simulated CCS at frequencies lower than 1.5 kHz agreed with the measured CCS. Therefore, a combination of these two methods can be used to estimate the CCS with high accuracy.
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掲載誌名 |
Journal of sound and vibration
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巻 | 335
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開始ページ | 261
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終了ページ | 268
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ISSN | 10958568
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発行日 | 2015-01-20
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DOI | |
DOI公開日 | 2017-02-06
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NCID | AA11543262
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出版者 | Elsevier
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資料タイプ |
学術雑誌論文
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ファイル形式 |
PDF
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権利関係 | © 2014 Elsevier Ltd. All rights reserved.
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著者版/出版社版 |
著者版
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業績ID | e29898
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部局 |
他機関
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