Sound absorbing structure

Details Sound absorbing structure Sound absorbing structure

1988-07-13

1989-06-27

Fuller, B. R.

Acoustics

Sound-modifying means

Sound absorbing panels

181288, 181290, E04B 182

Patent

active

048420972

ABSTRACT:
A sound absorbing structure is formed of adjacent panels which provide narrow slots opening into first resonance cavities formed behind the panels. Support strips provide secondary cavities between adjacent first cavities to reduce acoustical coupling between adjacent first cavities. The resulting sound absorbing structure provides substantial sound absorption at frequencies of less than about 1,000 Hz.

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patent: 4279325 (1981-07-01), Challis
patent: 4621709 (1986-11-01), Naslund

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