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SSS 2010-05-20

时间:2010-06-11 05:51来源:互联网 提供网友:swalloer   字体: [ ]
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This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute?

Why do some chords sound sweet but others make you wince1? Well it appears our ears—or at least the ears of 250 Minnesota undergrads—prefer chords containing harmonically related frequencies, according to a study in the journal Current Biology.

Even a simple note on my guitar has an array of harmonic frequencies. But the frequencies have a special harmonic relationship, which is why you hear it as a single sound with a single pitch.

The chords the students liked best have frequencies with that harmonic relationship too—all the frequencies are integer multiples of a common fundamental frequency. And the researchers say our brains might like these chords because their frequencies resemble those of a single harmonic note.

The students were less fond of Inharmonic chords like [dissonant chord]. But the researchers say it's not that wobbly quality, called beating, that turns us off. It’s mostly because the chords aren't harmonic.

These preferences aren't completely innate2 though. Musically trained students found harmonic frequencies more pleasing—they’re huge in Western music. But an ensemble3 of gamelan masters, who play inharmonic instruments like gongs, might beg to differ.

Thanks for the minute for Scientific American's 60-Second Science. I'm Christopher Intagliata.
 


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1 wince tgCwX     
n.畏缩,退避,(因痛苦,苦恼等)面部肌肉抽动;v.畏缩,退缩,退避
参考例句:
  • The barb of his wit made us wince.他那锋芒毕露的机智使我们退避三舍。
  • His smile soon modified to a wince.他的微笑很快就成了脸部肌肉的抽搐。
2 innate xbxzC     
adj.天生的,固有的,天赋的
参考例句:
  • You obviously have an innate talent for music.你显然有天生的音乐才能。
  • Correct ideas are not innate in the mind.人的正确思想不是自己头脑中固有的。
3 ensemble 28GyV     
n.合奏(唱)组;全套服装;整体,总效果
参考例句:
  • We should consider the buildings as an ensemble.我们应把那些建筑物视作一个整体。
  • It is ensemble music for up to about ten players,with one player to a part.它是最多十人演奏的合奏音乐,每人担任一部分。
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TAG标签:   SSS  harmonically
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