The normal human hearing range is between about 12 and 20 kHz, but beginning around age 8 this range begins to shrink, and adults can no longer hear sounds above a certain frequency level.
The Mosquito or Mosquito alarm is an electronic device used to deter loitering by
young people by emitting sound at high frequency, in some versions so it can
only ... They can leave the area when t...
Mar 2, 2015 ... Apparently, there's a noise that only people under 25 can hear. Can you hear it?..
Mar 3, 2015 ... There are sound frequencies that only young people can hear. Find out how old
your hearing is.
www.ask.com/youtube?q=Sounds Only Kids Can Hear&v=VoFGKwZxT_o
Nov 21, 2009 ... This is the sound adults over 30 cannot hear.(some may not qualify)Enjoy!plz
comment,rate and subscribe!
www.ask.com/youtube?q=Sounds Only Kids Can Hear&v=JO7vc0ERtyc
Feb 26, 2010 ... i tested this on my mom and she thought i was just trying o pull a prank on her
prove her wrong and putt on a comment if you can hear it or not!!
www.ask.com/youtube?q=Sounds Only Kids Can Hear&v=g5hKGNqk0rc
Oct 28, 2011 ... there are some sounds that only young people can hear try to hear it and get ur
parents to see if they can very interesting video.
www.ask.com/youtube?q=Sounds Only Kids Can Hear&v=Tcs4QJWO7QY
Apr 12, 2014 ... Teens, check if your parents can hear it... ... The Mosquito -Annoying Sound to
make young people stop hanging out infront your property ...
Aug 21, 2009 ... The sound was coming from a wall-mounted box, but not everyone can hear it.
The device, called the Mosquito, is audible only to teens and ...
This app generates tones between 14,000 and 20,000 Hz, which are on the
higher end of the ear's limitations. Generally only young people can hear these ...