Active sound attenuation across a double wall structureThe possibility of achieving significant local and global sound attenuation across a flat double wall is demonstrated. It is also shown that sound can be prevented from entering the interior of a cabinlike environment. The approach used is unlike established active noise control techniques.
Document ID
19910034708
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Grosveld, Ferdinand W. (Lockheed Engineering and Sciences Co. Hampton, VA, United States)
Shepherd, Kevin P. (NASA Langley Research Center Hampton, VA, United States)