[轉錄][影音] 測試你的聽覺年齡 -- 超高頻手機鈴聲
我聽的到耶~
※ [本文轉錄自 share 看板]
作者: filmwalker (夢想起飛的季節) 看板: share
標題: [影音] 測試你的聽覺年齡 -超高頻手機鈴聲
時間: Tue Jun 13 11:18:47 2006
短版 http://www.infowing.ch/web/sounds/mms/248-teenbuzz.mp3
http://www.cristiancontini.it/images/TeenBuzz.mp3
↑ 較長的版本
2006.6.13.自由時報 超高頻手機鈴聲 老師聽不到
〔編譯陳泓達/紐約時報十二日報導〕
在學校上課時,按規定學生必須將手機關機,要如何在不被老師發現的情況下持續收發
簡訊,便成為師生之間鬥法的有趣權力遊戲。拜網路所賜,美國學生已在這條戰線上
獲得一項新法寶:英國一家保全公司開發的高音頻技術被轉換為手機鈴聲,
成人多半聽不到這種特殊頻率的鈴聲,只有青春無敵的他們才聽得到。
乍聽之下,紐約曼哈頓三一學校的科技老師露薏絲難以置信,但她將學生給她的鈴聲傳給
一名女同事,播放給她的一年級學生聽,「他們全部都聽得到,她和我卻聽不到。」
這項技術的原理是多數成人會隨著年齡增長,逐漸喪失對高音頻聲音的聽覺,聽力專家
將此生理現象稱為「老年性失聰」,一旦年紀超過四十或五十歲,大多數成人都會出現
這類症狀。
除三一學校外,長島羅斯林中學也有學生在上課時測試這種高頻鈴聲,卻被一位女老師
當場拆台。顯示這位芳齡二十八的老師聽覺依然青春。
這種高頻鈴聲衍生自威爾斯Compound Security保全公司去年的一項發明,這項名為
「蚊子」的技術可發出頻率高達十七千赫的聲音。大多數人溝通對話的頻率介於二○○到
八○○○赫茲之間,邁入中年後,對高於這個頻率範圍的聲音的聽力就會開始退化。
羅斯林中學一年級學生赫茲卡,是在網路上發現它並予以下載,被問到鈴聲是否會改變
師生之間的權力關係,還是只是一種遲早都會退燒的流行時,他說:「嗯,我想可能是
(後者)吧!」要不,「學校就得聘用很多年輕的老師了。」
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