shrill

WordNet

of colors that are bright and gaudy; "a shrill turquoise"
having or emitting a high-pitched and sharp tone or tones ; "a shrill whistle"; "a shrill gaiety" (同)sharp
having the timbre of a loud high-pitched sound (同)stridence, stridency
the quality of being sharp or harsh to the senses; "the shrillness of her hair color"
in a shrill voice; "she sang rather shrilly" (同)piercingly
a continuing shrill noise; "the clash of swords and the shrilling of trumpets"--P. J. Searles

PrepTutorEJDIC

(声・音が)『甲高い』,金切り声の / 甲高い音(声)を出す / …‘を'甲高い声で言う
(声の)甲高さ,鋭さ
金切り声で,甲高く

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/12/12 04:27:54」(JST)

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Shrillness is a word used to describe the quality of sounds that have a high-pitched, strident, raucous, screeching or harsh character, such as those produced by a trumpet or piccolo, but it can also be used to describe a widely recognised and puzzling phenomenon whereby certain sounds are perceived as psychologically painful or aversive to a degree that cannot be accounted for simply in terms of frequency content or loudness. Such sounds include the Sound of fingernails scraping chalkboard, the sound of chalk on a blackboard, the sound of glass being scratched, and possibly the sound of a baby crying. There have been attempts to explain the phenomenon, often in terms of frequency content, or evolutionary advantage, but so far no complete explanation or mechanism has been found.

Research

A 2011 study^[1] by musicologists Michael Oehler and Christoph Reuter has led its authors to hypothesize that the unpleasantness of the sound is caused by acoustic resonance due to the shape of the human ear canal which amplifies certain frequencies, especially those in the range of 2000 to 4000 Hz (the median pitches), at such a level that the sound would trigger pain in our ears.^[2]

Research on 13 experimental subjects at the University of Newcastle, reported in the Journal of Neuroscience has shown that certain sounds produced a strong activation of the amygdala, a region of the brain involved in fear and emotion. The sound of a knife on a glass bottle was rated the most unpleasant, followed by a fork on a glass, then chalk on a blackboard came third, a ruler on a bottle fourth and fingernails on a blackboard fifth.^[3] They note that the sounds share characteristics with screams and babies cries.

A student project carried out on the internet at the University of Salford, and reported on BBC Radio 4, asked people to rate a range of recorded sounds, though the rating was in terms of 'disgustingness' and included sounds like vomiting which cannot be considered shrill.^[4]

References

^ Reuter, Christoph; Michael Oehler (2011). "Psychoacoustics of chalkboard squeaking". The Journal of the Acoustical Society of America. 130 (2545). doi:10.1121/1.3655174. Retrieved 3 November 2013.
^ "Acoustical Society of America - 161st Lay Language Papers". Acoustics.org. 2011-11-03. Retrieved 2013-10-02.
^ "Scientists identify why the sound of nails scraping down a blackboard is so unpleasant". Daily Mail. 9 October 2012. Retrieved 2013-10-02.
^ Trevor J. Cox. "Scraping sounds and disgusting noises". Applied Acoustics. 69: 1195–1204. doi:10.1016/j.apacoust.2007.11.004. Retrieved 2013-10-02.

UpToDate Contents

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1. 正期産児および後期早産児における非抱合型高ビリルビン血症の臨床症状 clinical manifestations of unconjugated hyperbilirubinemia in term and late preterm infants
2. 物質使用障害のある母親から生まれた乳児 infants of mothers with substance use disorder
3. 小児における吸気時喘鳴の評価 assessment of stridor in children
4. 具合の悪そうな乳児（生後90日未満）へのアプローチ approach to the ill appearing infant younger than 90 days of age

English Journal

Catalase expression impairs oxidative stress-mediated signalling in Trypanosoma cruzi.

Freire ACG1, Alves CL1, Goes GR1, Resende BC1, Moretti NS2, Nunes VS2, Aguiar PHN1, Tahara EB1, Franco GR1, Macedo AM1, Pena SDJ1, Gadelha FR3, Guarneri AA4, Schenkman S2, Vieira LQ1, Machado CR1.
Parasitology.Parasitology.2017 Sep;144(11):1498-1510. doi: 10.1017/S0031182017001044. Epub 2017 Jun 27.
PMID 28653592

The First Cry of the Child.

van Manen MA1.
Qualitative health research.Qual Health Res.2017 Jun;27(7):1069-1076. doi: 10.1177/1049732316673342. Epub 2016 Oct 16.
PMID 27753631

Human-Centered Design Study: Enhancing the Usability of a Mobile Phone App in an Integrated Falls Risk Detection System for Use by Older Adult Users.

Harte R1,2, Quinlan LR2,3, Glynn L4, Rodríguez-Molinero A1,5, Baker PM6, Scharf T7, ÓLaighin G1,2.
JMIR mHealth and uHealth.JMIR Mhealth Uhealth.2017 May 30;5(5):e71. doi: 10.2196/mhealth.7046.
PMID 28559227
PMID 28372142

Japanese Journal

A Case of Cat Cry Syndrome Associated with Cleft Lip

Kashima Koji,Igawa Kaori,Yokota Rie,Yoshioka Izumi,Sakoda Sumio
Oral Science International 7(2), 72-75, 2010
… Cat cry syndrome (cri-du-chat syndrome) is an extremely rare condition characterized by a high shrill cry during infancy, resulting from either the deletion of the short arm of chromosome 5 or unbalanced translocation inherited from a parent. …
NAID 130004941029

電子・電気機器のリサイクリング技術

中島賢一,吉川浩助
Journal of MMIJ : journal of the Mining and Materials Processing Institute of Japan 123(12), 796-798, 2007-12-25
… These days people earnestly shrill the importance of recycling than ever. …
NAID 10020126599

色彩語を含む共感覚表現に見られる日英語の文化的相違 : 共感覚現象の意味・日本語オノマトペの状況中心性

吉村耕治
研究論集 86, 19-37, 2007-09
現代の色彩用語の中には,周辺の色彩を無視した目立ちすぎる色を意味する「騒色」(loud colors)や「やわらかい赤」(soft red)のように,日本語と英語でよく似た感覚表現より構成されている共感覚表現がある.ところが,味覚が共感覚で視覚が原感覚の表現「渋い色」は,英語では聴覚が共感覚の `a quiet color'と表現される.「渋い色」の「渋い」は,「落ち着いた,地味な」の意であるが, …
NAID 110006371853

音響透過損失の周波数特性が道路交通騒音の音色に及ぼす影響

羽藤律,華表伸暁,桑野園子 [他],難波精一郎
騒音制御 24(6), 429-447, 2000-12-01
道路交通騒音の透過音の周波数特性を, デジタルフィルタを用いて各種建築材料の音響透過損失に近似させ, その音色をSD法によって評価した。その結果, (1)LAeqが高くなるほど, 迫力感, 変動感, 不快感が大きくなった。一方, かん高さの印象はLAeqの影響を受けにくかった。LAeqが等しい場合, かん高さの印象は, 原音の条件で最も強く, -5dB/oct. のフィルタで最も弱かった。音響透過 …
NAID 10007444169

Related Pictures

| Sci-Fi | Unknown Transmission : Shrill Shrill. The word of this week . Instead of Trump Calls Hillary Clinton “Shrill Expressing Frustration Musically Shrill | Flickr - Photo Sharing! Shrill : (adj.) (of a voice or sound) If that’s shrill, I want to be shrill Shrill hits the high notes at Navan for

[1] Reuter, Christoph; Michael Oehler (2011). "Psychoacoustics of chalkboard squeaking". The Journal of the Acoustical Society of America. 130 (2545). doi:10.1121/1.3655174. Retrieved 3 November 2013.

[2] "Acoustical Society of America - 161st Lay Language Papers". Acoustics.org. 2011-11-03. Retrieved 2013-10-02.

[3] "Scientists identify why the sound of nails scraping down a blackboard is so unpleasant". Daily Mail. 9 October 2012. Retrieved 2013-10-02.

[4] Trevor J. Cox. "Scraping sounds and disgusting noises". Applied Acoustics. 69: 1195–1204. doi:10.1016/j.apacoust.2007.11.004. Retrieved 2013-10-02.

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