Sound reduction membrane

Details Sound reduction membrane Sound reduction membrane

1987-06-19

1989-05-23

Fuller, B. R.

Acoustics

Auditorium

181286, 181293, 181294, 181295, E04B 182

Patent

active

048321478

ABSTRACT:
A volumetric sound absorber for audible sound frequencies is made from a thin sheet material that is permeable to air with thickness mass, and flow resistance within specified ranges.

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Development of Porous Aluminum and Porous Alloy Sheets, Morimoto et al., Twenty-Ninth Technology Prize, pp. 40-44.

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