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Your position:  Home > News > newclass > Beware of little harm ear head.....


Beware of little harm ear headphones health

  • Author:Rita
  • Release Date:2014-11-20
    In the crowded subway, on the streets, bustling malls busy everywhere someWearing headphonesYouth, they listen to music, play games, watch videos,Little headsetGet rid of the noisy surroundings, allowing them to revel in their own world of entertainment. However, a small headset, it might give cause major health threat.
Irreversible hearing impairment
    The degree of intensity of a variety of factors for damage and impaired hearing, and noise, duration, interval, the number of iterations and so on, one of the most critical is the noise intensity, the higher the intensity, the greater the damage to hearing. In the human ear, there is one called "cochlea" site, which has a special kind of cells - hair cells, its task is to feel the sound waves stimulate and transmit signals to the brain via the auditory nerve.
    There are about 10,003 hair cells in the cochlea of ​​more than a thousand on each side of the body, their number who were born at the time is fixed, and can not be regenerated. Noise can damage the hair cells, hair cells only if damaged but not yet dead, in theory, there is the possibility of saving, but the difficulty of treatment is very high. And once the hair cells die, because it is not renewable, hearing damage caused by it can not be reversed.
    Noisy environments with headphones hearing impaired bigger
    Whether you use the headset, as long as the noise reaches a certain intensity, will damage hearing. The sound is a kind of energy, it will gradually decay when spread in the air, and when using headphones, especially when stuffed headphones, sound energy can not be spread around, all concentrated in the ear canal, great strength, and thus is likely to result Hearing damage. Sound using headphones in a noisy environment, must be open to the sound of loud noisy environment surrounding pressed down, easily lead to hearing damage.
Use the headset to control volume and time required
    People prefer to use headphones, you should pay attention to develop good habits, the use of headphones time not too long, not too much volume.
    Headset with a small shield damage to hearing because the shield can block ambient sound, to avoid in order to suppress the environmental sound and increase the headphone volume phenomenon. Examine the effect of noise shield method is very simple, after wearing headphones shield, do not boot, if you feel the ambient sound disappeared or significantly reduced, it shows the effect of noise shield is better, if the environment did not change the sound or only slightly reduced, explained poor sound insulation shield.
   When using headphones, the volume is best able to control about 60% of the total volume, in order to feel comfortable and pleasant appropriate, and every 60 minutes or so listening to rest for a while. In addition, in subway cars, busy street noise and other large place, it is best not to use headphones.
   If tinnitus, hearing loss and other phenomena, should seek medical advice as soon as possible, in particular, often use headphones, noise exposure of people, but should be vigilant.