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Mar. 18th, 2008 12:39 pm![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
derekl_1963Nicked from renartthefox :
Unsurprising really, I've always been able to hear high pitched sounds - back when some stores used ultrasonic detectors to operate their automatic doors, I'd be nearly in physical pain in them.
renartthefox :You are a dog |
Or maybe you are a mosquito, you certainly can't be human. The highest pitched ultrasonic mosquito ringtone that I can hear is 21.1kHz |
| Find out which ultrasonic ringtones you can hear! |
Unsurprising really, I've always been able to hear high pitched sounds - back when some stores used ultrasonic detectors to operate their automatic doors, I'd be nearly in physical pain in them.
