| Bells贝尔斯
Some of the commonly used bells are church bells, carillion bells, and handbells (See Rossing 2nd Ed p280). Carillion bells have eight modes of vibration which contribute to the tone. Handbells, struck with a soft internal clapper, have a 2,0 mode which is the strike tone. The 3,0 mode is tuned to three times the frequency of the 2,0 mode and the 2,0 mode produces some second harmonic, so you have sound at the first three harmonics. Rossing (p283) shows hologram interferograms of 17 modes of a C5 (523 Hz) handbell. 一些常用的钟包括教堂钟、车钟和手铃（见Rossing第二版第280页）。车钟有八种振动模式，这些模式共同作用于音调。手铃用软质内部锤击打，其2,0模式是敲击音。3,0模式被调至2,0模式频率的三倍，而2,0模式会产生一些二倍频，因此你会听到第一、二、三谐波的声音。Rossing（第283页）展示了C5（523 Hz）手铃的17种模式的全息干涉图。
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Percussion instruments
Musical instruments
Reference
Rossing
Science of Sound
索引 打击乐器 音乐乐器 参考 Rossing 声学科学
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