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Numerical Simulation of Air Flow through Glottis during Very Weak Whisper Sound Production
http://hdl.handle.net/10091/15983
http://hdl.handle.net/10091/15983869cf07a-5c3b-4da0-a68f-99ad222d1daa
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2012-09-21 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Numerical Simulation of Air Flow through Glottis during Very Weak Whisper Sound Production | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | non-audible murmur | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | whispered voice | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | whispered voice production mechanism | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | computational fluid dynamics | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | airflow through glottis | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Otani, Makoto
× Otani, Makoto× Hirahara, Tatsuya |
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出版者 | ||||||
出版者 | IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES. E94A(9):1779-1785 (2011) | |||||
書誌情報 |
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES 巻 E94A, 号 9, p. 1779-1785, 発行日 2011-09 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A non-audible murmur (NAM), a very weak whisper sound produced without vocal fold vibration, has been researched in the development of a silent-speech communication tool for functional speech disorders as well as human-to-human/machine interfaces with inaudible voice input. The NAM can be detected using a specially designed microphone, called a NAM microphone, attached to the neck. However, the detected NAM signal has a low signal-to-noise ratio and severely suppressed high-frequency component. To improve NAM clarity, the mechanism of a NAM production must be clarified. In this work, an air flow through a glottis in the vocal tract was numerically simulated using computational fluid dynamics and vocal tract shape models that are obtained by a magnetic resonance imaging (MRI) scan for whispered voice production with various strengths, i.e. strong, weak, and very weak. For a very weak whispering during the MRI scan, subjects were trained, just before the scanning, to produce the very weak whispered voice, or the NAM. The numerical results show that a weak vorticity flow occurs in the supraglottal region even during a very weak whisper production; such vorticity flow provide aeroacoustic sources for a very weak whispering, i.e. NAM, as in an ordinary whispering. | |||||
資源タイプ(コンテンツの種類) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0916-8508 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10826239 | |||||
他の資源との関係:URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://search.ieice.org/ | |||||
関連名称 | http://search.ieice.org/ | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1587/transfun.E94.A.1779 | |||||
関連名称 | 10.1587/transfun.E94.A.1779 | |||||
権利 | ||||||
権利情報 | Copyright© 2011 IEICE | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
WoS | ||||||
表示名 | Web of Science | |||||
URL | http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=ShinshuUniv&SrcApp=ShinshuUniv&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000294701900001 |