What is it about?
Discovering better ways to absorb low frequencies in rooms by using vinyl membrane-based devices in unique ways and placements.
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Why is it important?
Effectively absorbing low-frequency energy in rooms helps reduce the destructive effects of room modes (resonances) and low-frequency reverberation, both of which reduce accuracy in recording and listening to sound in rooms, as well as helping reduce the harmful health effects of low-frequency noise energy.
Perspectives
This research was new and resulted in better products and methods, but there remains much more research and product development to be done to control low-frequency room modes, reverberation, and harmful noise in rooms and environments. This research also shows the importance of using appropriately-large test facilities when testing low-frequency devices to assure accurate results.
John Calder
Acoustical Surfaces, Inc.
Read the Original
This page is a summary of: New research on low-frequency membrane absorbers, January 2018, Acoustical Society of America (ASA),
DOI: 10.1121/2.0000816.
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