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为什么调音要用音叉

更新时间: 2020-11-07 00:00:00     

调音要用音叉是为了确定钢琴小字一组的A音(C大调Ⅵ级)。可以通过敲动,听声音或者含嘴里通过骨头传导以此来校准A音。音叉是呈“Y”形的钢质或铝合金发声器,各种音叉可因其质量和叉臂长短、粗细不同而在振动时发出不同频率的纯音。

关键词: 为什么 音叉

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