Herschel-Quincke tube

Herschel-Quincke tube

[¦hər·shəl ′kwiŋ·kə ‚tüb]
(acoustics)
A device for demonstrating the interference of sound in which sound waves from a common source travel through two tubes of different lengths and recombine, producing reinforcement or cancellation of sound depending on the difference in path length; used to demonstrate the interference of sound and as a wave filter. Also known as Quincke tube.
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