Archive for September 2021
Hearing the Forest for the Trees: Foliage Acoustics and Green Noise Barriers
By: Norman
Written by: Alex Odom Aside from the popular philosophical question asking if a tree falling in a forest makes a sound, the most common arboreal inquiry I get as an acoustical consultant get is: “Can we block the noise with trees instead of a noise barrier?” The short answer is “no”, trees are not particularly effective when […]
Read MoreRattlesnake Rattles Use Auditory Illusion To Trick Human Brains
By: Norman
By Ben Turner The trick is a surprising instance of mammal-snake coevolution. The Western diamondback rattlesnake, one of the species of rattlesnake known to use frequency jumps to trick the ear. (Image credit: Tobias Kohl) The menacing rattle of a rattlesnake’s tail is far more sophisticated than first thought, as the sound can create an auditory […]
Read MoreFrogs Increase Pitch of Calls To Overcome Melbourne’s Traffic Noise
By: Norman
Melbourne’s worsening traffic isn’t just posing a problem for motorists — even frogs are being drowned out by the noise. Wes HoskingExclusive January 21, 2021 – 8:00PM A symphony of frogs in the rainforest. VIDEO: Hartley’s Crocodile Adventures Frogs are cranking up their croaks to overcome Melbourne’s noisy traffic. The amphibians not only increase […]
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