NUS engineers' new barrier to reduce noise

Customisable, modular system filters out low-frequency sounds from construction

Associate Professor Lee Heow Pueh (left) and doctoral student Ang Yinn Leng Linus with their 3D-printed noise reduction block designed to target low-frequency sounds of 500Hz and lower.
Associate Professor Lee Heow Pueh (left) and doctoral student Ang Yinn Leng Linus with their 3D-printed noise reduction block designed to target low-frequency sounds of 500Hz and lower. PHOTO: NATIONAL UNIVERSITY OF SINGAPORE
Cheryl Teh
Updated
May 18, 2019, 06:39 AM
Published
May 18, 2019, 05:00 AM
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In the urban jungle that is Singapore, the roar of a jet plane and the rumble of construction machinery are constant reminders that the island never sleeps.

But engineers from the National University of Singapore (NUS) believe they can help.

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A version of this article appeared in the print edition of The Straits Times on May 18, 2019, with the headline NUS engineers' new barrier to reduce noise. Subscribe

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