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hearing
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   Also found in: Dictionary/thesaurus, Medical, Legal, Financial, Encyclopedia, Wikipedia 0.01 sec.

hearing

Ability to perceive sounds. In humans, the organ of hearing is the ear. Humans are unable to hear sounds that have frequencies below 20 Hz or above 20 kHz. Between these two values is our hearing or audible range. The exact width of our audible range varies from person to person, but in general as we age the range narrows. Some animals such as dogs, dolphins, and bats can hear sounds beyond the human audible range. Sounds with frequencies above 20 kHz are called ultrasounds.



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This is not true because of the distortion in the spectrum and clarity of sound reception that accompanies noise-induced hearing loss.
With the further increase of frequency to 900 MHz in 1990 the sound reception improved, became clearer and longer distances came to be covered with a choice of channels.
IF the poor quality sound reception of mobile phone hands-free car kits annoys you, why not splash out on the Earset 2 from Bang and Olufsen?
 
 
 
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