Are urban environments "noisy" at ultrasound frequency ranges? If they are, does this cause problems for animals that can hear in these frequencies? Submitted by derefr t3_ybsvrd on October 23, 2022 at 9:02 PM in askscience 9 comments 30
Nsikat t1_itkaxeo wrote on October 24, 2022 at 7:42 AM When I was up to my early 20's I could hear to about 22kHz (including some dog whistles). TV line whistle was a real pain. Now in my late 70's I can only catch 10kHz on a good day and often cut off around 8kHz. Permalink 9
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