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T he Teen Buzz ultrasonic ringtones were created by teenagers so that they could be alerted to incoming text messages or calls on their cell phones without nearby adults becoming aware of it. These "secret ringtones" take advantage of the fact that as people age, they lose some of their hearing sensitivity, especially in the higher frequencies. So a high-frequency tone that is at the edge of audibility for most teenagers will be inaudible to many adults over age 20, and to most adults over the age of

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Free Mosquito Ringtones. The Mosquito Ringtone came about after a crafty British man who invented a device called The Mosquito, the Mosquito is a device that emits a very high frequency tone meant to annoy teenagers adults are unable to hear the tone. Some crafty students decided to convert the same technology into a ring tone that only they teenagers could hear!

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Presbycusis also commonly spelled presbyacusis is a common degenerative condition that affects most of the adult human population. The association between advanced age and high-tone deafness was first described by the Dutch scientist Zwaardemaker in The condition affects most adults and it is considered a natural side effect of aging, almost everyone will be affected by it at some point in their life.

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Frequency-wise, our hearing ability ranges from 20 Hz up to 20, Hz. As we get older, the 20 kHz upper limit decreases: this phenomenon is medically known as presbycusis. Therefore, it is possible to generate high frequencies that are audible only to teenagers. Since these high pitched sounds are uncomfortable to withstand, they can be used - for example - to repel loitering teenagers in the street!

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The mosquito ringtonealso known as teen buzzworks by emitting a sound wave at the high end of the sound spectrum, usually around 14 - 17kHz 17, hertz. The human ear can theoretically hear in the range of 20 to 20, Hertz, but as we age, this range diminishes due to condition called presbycusis, or age-related hearing loss. To give you an idea of the range, a human cannot hear too low or high of a frequency.

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A ringtone is the sound made by a telephone to indicate an incoming call. The term, however, is most often used to refer to the customizable sounds available on wireless cell phones. This facility was originally provided so that people would be able to determine when their phone was ringing when in the company of other mobile phone owners.

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Wade Rohloff operates a business out of his home in Hobbs, New Mexico. Inwhen the graphic designer was working a lot of late nights, he ran into a problem. It was disrupting his work.

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The Mosquito or Mosquito alarm is a machine used to deter loitering by young people by emitting sound at high frequency, in some versions so it can be heard mostly by younger people. The devices have attracted controversy on the basis of human rights and discrimination concerns. The device is marketed as a safety and security tool for preventing youths from congregating in specific areas. As such, it is promoted to reduce anti-social behavioursuch as loitering, vandalismdrug usedrug distribution, and violence.

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T he "mosquito tone" is a nickname for a sound that is devised to be so high-pitched that only younger people can hear it. As people age, they gradually lose some of their hearing a phenomenon called presbycusisand their hearing naturally loses sensitivity to higher frequencies. So the older you are, the less likely you are to be able to hear higher frequency sounds or, the louder they will need to be before you are able to hear them.

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Mosquito ringtones emit high-frequency tones that are inaudible by adults but can be heard by teenagers. It is very normal for people to lose their hearing as they age. The loss of hearing is gradual in most people, while other may experience more severe hearing loss.

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