United States of America As Represented by the Administrator of Nasa

Peter J Bonacuse

Michael G Jones

Maria A Kuczmarski

Christopher J Miller

Lisa Danielle Koch

James C Johnston

J Chris Johnston

Broadband acoustic absorbers may be capable providing good absorption performance between 0 and 3,000 Hz, and particularly below 1,000 Hz. Reeds may be incorporated in a single layer, multiple layers, or bundles. Such broadband acoustic absorbers may be applied for acoustic absorption in aircraft, spacecraft, residential and commercial buildings, vehicles, industrial environments, wind tunnels, or any other suitable environment or application where noise reduction is desired.

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Lakewood, OH, United States of America

Peter J Bonacuse