4 ms·
I did not know that! It looks like anything greater than 120dB could be entirely inaudible and can lead to hearing loss. https://en.wikipedia.org/wiki/Ultrasou
by Chardok 9y ago
I did not know that! It looks like anything greater than 120dB could be entirely inaudible and can lead to hearing loss.
https://en.wikipedia.org/wiki/Ultrasound#Safety https://en.wikipedia.org/wiki/Ultrasound#Safety
- jsjohnst 9y agoYou are misquoting the article linked, greater than 120db is definitely audible depending on the frequency and the listener. Even at the frequencies they mention (25k being the highest), those are still audible to many humans (myself included).
- AstralStorm 9y agoEven when not audible this high air pressure would be painful.