Well, no, presumably if it's ultrasonic it is above the frequency range of
human hearing and isn't "loud" at all. Maybe you mean intense.
>Has anyone any information regarding the effect of ultrasonic exposure on
>hearing loss? Examples would include ultrasonic humidifiers, ultrasonic
>massage, ultrasonic cleaners, ultrasound imaging devices used in fetal
>examinations, etc. Presumably something loud enough to heat water or your
>musculature or take the tarnish off your ring is quite loud.