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Sound Hole Sound

Politzer, David (2015) Sound Hole Sound. , Pasadena, CA. (Submitted)

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The volume of air that goes in and out of a musical instrument’s sound hole is related to the sound hole’s contribution to the volume of the sound. Helmholtz’s result for the simplest case of steady flow through an elliptical hole is reviewed. Measurements on multiple holes in sound box geometries and scales relevant to real musical instruments demonstrate the importance of a variety of effects. Electric capacitance of single flat plates is a mathematically identical problem, offering an alternate way to understand the most important of those effects. The measurements also confirm and illuminate aspects of Helmholtz’s “bottle” resonator model as applied to musical instrument sound boxes and sound holes.

Item Type:Report or Paper (Discussion Paper)
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Politzer, David0000-0002-4983-6621
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Record Number:CaltechAUTHORS:20150518-105813000
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:57600
Deposited By: SWORD User
Deposited On:18 May 2015 19:29
Last Modified:03 Oct 2019 08:26

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