By Stephanie Ciccarelli
January 31, 2013
Have you ever heard of the Mosquito?
Primarily used for security purposes, the Mosquito sound device emits a very high frequency modulated one (17.5-18.5 kHz) that is completely harmless even with long term use.
The Mosquito is of particular interest to me from a sonic point of view. As we age, our ability to hear certain sound frequencies changes.
Join me now and discover the different frequencies you can hear (and cannot hear any longer!) as you age in today's VOX Daily.
According to Moving Sound Technologies, the Mosquito was invented in Wales several years ago. Since then, Moving Sound Technologies has been marketing and selling the Mosquito throughout North America. Many cities, municipalities, school districts, and parks boards use the Mosquito to combat vandalism.
The patented Mosquito is a small speaker that produces a high frequency sound much like the buzzing of the insect it's named after. This high frequency can be heard by young people aged 13 to 25 years old.
The latest version of the Mosquito is called the MK4 Multi-Age. It has two different settings one for teenagers 13 - 25 years and one setting for all ages. When it is set to 17KHz the Mosquito can only be heard by teenagers approximately 13 to 25 years of age. When set to 8 KHz the Mosquito can be heard by all ages.
The Mosquito MK4 has been designed to run at 5 dB above background noise levels. This is done by using an on-board AGC system that measures the ambient noise and adjusts the sound output level accordingly.
How does the Mosquito compare with sounds you hear every day? Take a look:
CNN, among other stations, have featured the Mosquito on their news reports. Watch the video below or click on this link to watch the CNN coverage of the Mosquito on YouTube.
Moving Sound Technologies has a really neat Mosquito Audio Demo on their website that you can try out.
There are a number of different frequencies featured including settings that everyone can hear, frequencies that can be heard only by people under 24, by people under 30, those under 39, those under 49, and people under 60 years of age.
Check out the Mosquito audio demo here and then return to the blog and let me know what you think!
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