Musical Instrument Design: Practical Information for Instrument Design by Hopkin Bart

Author:Hopkin, Bart [Hopkin, Bart]
Language: eng
Format: epub
ISBN: 9781884365812
Publisher: See Sharp Press
Published: 1995-12-31T22:00:00+00:00

PLOSIVE AEROPHONES

From a logical point of view, plosive aerophones (sometimes called percussive aerophones) should have been discussed several pages back, alongside reeds and edgetones, as one more means of exciting the resonant air within a chamber. But the plosive aerophone family is distinctive enough that I have given it a separate section. Plosive aerophones typically are instruments sounded by percussion, but whose predominant tone is aerophonic. For a simple example, pick up a piece of rigid tubing, say two feet long and an inch an a half in diameter. If you clump the palm of your hand sharply down over the open end of the tube, you will hear a brief tone at the resonant frequency of the enclosed air. That is the plosive aerophone sound. There may be some idiophonic sound present as well, coming from the material of the tube itself, but in percussion aerophones, the air resonance tone should dominate.

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