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加拿大数学家发明新乐器-形似吉他

2019/3/26 21:56:40
加拿大数学家发明新乐器:形似吉他 声如洪钟
新华社北京6月9日专电据美国《科学新闻》周刊网站日前报道,几位加拿大数学家联合发明了一种形似吉他,声若洪钟的新乐器。

    据报道,新乐器名为“曲他”(tritare),外形酷似吉他,比吉他多两个琴颈,六根弦呈Y形。设计者是加拿大蒙克顿大学的数学家塞缪尔·高德特和克劳德·高蒂尔。

    高德特介绍说,与普通吉他相似,曲他每根弦的上半部分也是从调音弦轴一直延伸至琴颈,但是下面很不同:曲他琴弦在一个没有与琴体固定的节点开始分岔,分岔后的两个弦段通向两个新增的无品琴颈。

    高德特说,普通琴弦发出带有泛音的基本音频,而曲他的音频是基本音频的整数倍。此外,曲他不仅能发出泛音,还能发出如同钟和锣等打击乐器发出的和弦外音。根据不同的演奏方式,曲他的琴音中会包含或多或少的和弦外音。

    美国物理学家和实验乐器制造者本杰明·W·维戈达认为,目前利用计算机进行的音乐实验非常之多,曲他也许会是最后一批完全依靠物理特性、没有加入任何计算机因素的新乐器之一。

来源于:新华社

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