|How Aerophones Work||Common Aerophones|
These instruments make sounds as air vibrates through a tube. The vibration begins with either lip vibration as in a trumpet, a reed as in clarinets, saxaphones and organs, a ball as in a whistle or by striking a sharp edge as in a flute.
The shape of the soundwave is determined by the width and length of the tube through which the air travels. The longer the tube is, the longer the sound wave is, which means the deeper the sound. If a tube of one length produces the sound of C, then a tube twice a long will produce a sound one octave lower.
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