Apparently, there's a noise that only people under 25 can hear. As you get older, the hearing process (sound waves travel into your ear, hit your eardrum, and vibrate three tiny bones, transmitting sound into the No, I can't.
The original ultrasonic ringtone high frequency hearing test Pretty much everyone should be able to hear the lowest tone (8kHz). means that they can only be heard by kids and generally can't be heard by adults over the age over 20 or so.
Several young students have caught on to a recent trend: a ring tone that only they can hear and most adults can't. Dubbed the Mosquito, the.
Students are using a new ring tone to receive messages in class -- and many teachers can't even hear the ring.
Some People Can't Handle This Viral Sound — And Some Can't Hear It At All . As a grown adult who could hear this sound loud and clear.