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Low-frequency noise is less studied and less understood than other sounds. And exactly what effects it may—or may not—have on humans is far from settled.
The background noise consisted of two audio sequences simulating trucks passing by at a distance of ten and fifty meters. Both sequences were normalized to the same total indoor level of 40 dB.
Study of more than 3000 Chinese workers incorporates modern industrial noise to evaluate occupational exposure limits.
"What is unique about our study is that we were able to demonstrate a decline in performance at noise levels as low as 40 dB, which corresponds to the regular noise level in an office environment ...
A mysterious, low-frequency noise has settled over the small town of Omagh in Northern Ireland, and is keeping people awake. It’s called “The Hum,” and reports of this phenomenon have been ...
Solar-powered balloons detected strange rumblings at a height of 70,000 feet above the Earth's surface. Scientists can't identify them.
I used to be able to hear 3kHz easily but as my hair cells fade into the sunset that frequency now seems to be down 3 or 6 dB. As a consequence the high pitched "beep beep" sound on my portable ...
In fact, the sound study submitted by the developer and referenced in the Planning Department’s staff report used the A-weighting scale, which is not well-suited to detect low-frequency noise.