Tone adults cant hear

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As we get older, we lose the ability to hear sounds within a higher frequency. High school students are taking advantage of this unfortunate side effect of aging. The ringtone emits a higher frequency not heard by adults, thereby giving students the unfair advantage of hearing when they receive a cellphone call or instant message.

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Due to a special frequency, you can play this annoying sound in stealth mode. It also includes an audible sound similar to a grenade dropping. Great for various scenarios!

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A device emitting a soundwave which is designed to drive young troublemakers away from a problem area of Swindon has been hailed as a success. Listen to the sound online. The 'Mosquito' sonic deterrent device was installed by the Wyvern Theatre in an attempt to stop groups of up to youngsters from gathering around Theatre Square.

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A sonic device is seen at top right at Barrett Playground in Philadelphia. Thirty parks in the city have the devices, which emit a constant, high-pitched noise that only teenagers and young adults can hear. In Philadelphia, 30 parks and recreation centers are outfitted with a small speaker called the Mosquito.

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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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Many people have trouble understanding conversations in noisy situations. Scientists are beginning to understand why. But the distress they feel struggling to discern what others are saying in crowded restaurants and business meetings is real.

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The functioning of the inner ear is at least temporarily altered by exposure to low-frequency sounds. A wind turbine, a roaring crowd at a football game, a jet engine running full throttle: Each of these things produces sound waves that are well below the frequencies humans can hear. Listening to just 90 seconds of low-frequency sound can change the way your inner ear works for minutes after the noise ends, a new study shows. Louis, who was not involved in the new work.

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There are horrible sounds all around us only a small group of people can hear. They're loud enough to be annoying and cause headaches in people sensitive to them, though it seems they aren't usually loud enough to cause permanent health issues. And scientists have no firm idea of how common these sounds are or how much damage, if any, they're doing to society.

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It Sucks With it, high schoolers can receive text message alerts on their cell phones without the teacher knowing. The ring tone is a spin-off of technology that was originally meant to repel teenagers -- not help them.

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