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  • To protect the hearing to get rid of these eight habits

    There is always a reason for more and more people who are easily damaged, and some of the factors we can avoid. So, what habits are easy to hurt delicate ears? What signals are the damaged signals that are heard to us? Ear feces called cerumen, the protection of the external auditory canal epithelial role, the external auditory canal is bent, about 2.5 to 3.5 cm long. Dig ear feces in the process, accidentally easy to damage the external auditory cheap beats by dr dre canal mucosa, causing inflammation, and even cause tympanic membrane perforation caused by infection, thus affecting hearing. If you really can not change the habit of digging ear feces, you can use a cotton swab dipped in alcohol or saline dig, in the outer ear canal gently dig. Wearing a headset to listen to music Although it is a fashion of young people, but a long time the sound pressure of the treble will directly damage the inner ear hair cells, the damage to the hearing is very large, even irreversible. "Zhang Xingyou said, headphones try not to choose earbuds headphones, wearing headphones when the volume beats earphones is soft and not harsh. Adult daily cumulative time not more than 3 to 4 hours, young people do not exceed 1 to 2 hours, and each listen to 30 to 40 minutes , Rest 10 to 15 minutes.

    Some people in the casual singing, like the use of high-decibel loudspeakers, the body can receive the sound strength is 60 decibels, if more than 80 decibels or 90 decibels, the long run is likely to cause hearing damage. In general, the voice of face to face is about 60 decibels, whisper about 20 to 30 dB or so. The noise environment is generally 80 dB or more. "Life is not regular and so suddenly hear the outpatient patients often encounter, such as some long stay up late to play the game lead to sudden deafness." To adjust the rest, do not be beats by dr dre too tired, because the ear blood vessels is a single blood vessel, once Embolism or spasm is easy to cause sudden deafness, this hearing damage or Tingzhi. Drinking for a long time can cause hardening and cramps, nicotine smoke can also cause vasospasm, beats by dre studio causing chronic long-term inner ear ischemia, hypoxia, and thus affect the hearing.

    2017-09-20 11:14:52
  • Headphone damage hearing The right way to use headphones

    Headphones are not the patent of the enthusiasts, for modern people, headphones or earplugs can be said to have become essential equipment, games, entertainment, mobile phone answering and many have a close application, and even that we can not do without him , But there is a problem can not be ignored, that is, headphones on the hearing damage, this argument is true or false? And Mars fish for this issue is not Putian Department, by not , so the main scientific explanation. First of all, we have to understand the structure of the ear has heard the principle of what is the sound. What is the structure of the ear first? In fact, the other parts of the ear facial features, there is a special sensory equipment, and the ear which is responsible for listening to the "receptors", that is, cochlea inside the cilia cells. We were able to hear the sound because the "receptors" were stimulated and the cilia was shaking with the sound. With the sensitive cilia of the vibration, through the nerve reached the brain, we can feel the voice of friends. First of all, we have to understand the structure of the ear has heard the principle of what is the sound. What is the structure of the ear first? In fact, the other parts of the ear facial features, there is a special sensory equipment, and the ear which is responsible for listening to the "receptors", that is, cochlea inside the cilia cells. We were able to hear the sound because the "receptors" were stimulated cheap beats by dre and the cilia was shaking with the sound. With the sensitive cilia of the vibration, through the nerve reached the brain, we can feel the voice of friends.

    Although it is a good way to send boring time for us to wear headphones to listen to music on a daily basis, or for people who work on public transport every day. They do not affect others and entertain themselves. However, in the noisy outside environment to listen to music, many of my friends beats by dre studio will be likely to unconsciously increase the volume of the situation, while the use of headphones outside the time is too long, so these people have become hearing impairment High-risk groups. Which beats by dre sale experts also pointed out that in 85 dB below, hearing is not harmful, 85 dB about how much? The normal voice of the people speak in the 40-60 dB or so, the voice of the class beats by dre studio is about 70 decibels, and noisy outdoor, public transport sound, probably 85 dB, so, if outdoors, headset users in order to hear the headset The sound of the sound, often the height of the earplugs to cover the outside of the sound, this time the headset volume is often more than 85 decibels, which damage the cochlear cilia cells. Hearing damage to high-risk groups, often appear in the outdoor use of headphones inside the people, so the Mars fish for the need to use outdoor headphones friends, should consider the purchase of noise reduction earplugs or sound insulation good ear ear, and the most critical, or volume Do not be too big, not too long, or hearing loss, and regret it.

    2017-09-19 11:15:56
  • Full of noise in the world, your hearing loss?

    The human ear consists of the outer ear, the middle ear and the inner ear. The sound is collected by the external ear, after the vibration of the eardrum through the middle ear of the three listen to the small bone into the inner ear, by the inner ear cochlear auditory hair cells to receive acoustic stimulation, the sound waves into the current, and then through the auditory nerve current into the brain, Hearing. The intensity of the sound is calculated in decibel beats by dr dre (dB). In our surroundings, the number of decibels is about 30-40 decibels. The number of decibels is about 60-70 decibels, and the number of decibels is about 80 decibels, the jet take off the decibel number of about 120 decibels, and then the greater the sound stimulation, it will stimulate the ears produce pain.

    Clinically, hearing loss can be divided into "acoustic hearing loss", cheap beats headphones "hearing-type hearing loss" and "mixed hearing loss" and other three categories: "acoustic hearing cheap beats by dre loss" by the ear and middle ear lesions Induced "hearing-type hearing loss" caused by the inner ear and auditory nerve lesions caused by "mixed hearing loss" of the lesion location also contains the above two lesions. No matter what kind of hearing loss, whether the use of hearing aids, according to the degree of hearing loss to determine the patient. Mild hearing loss: the smallest sound that can be heard is between beats by dr dre 26-40 decibels, when the sound is difficult to talk, if the work of the need for sensitive hearing, if necessary, face to face to talk, listen to the phone, often meet or engage in music Etc., may consider the use of hearing aids, delay hearing degradation. Moderate hearing loss: the smallest sound can be heard between 41-70 dB, this time generally difficult to talk, you must use hearing aids, delay hearing degradation. Severe hearing loss: the smallest sound that can be heard is between 71-90 dB, and it is difficult to talk loudly at this time. Be sure to use hearing aids to delay hearing loss.

    2017-09-18 11:37:25
  • Headset noise and noise What is the difference

    Some headphones have a noise reduction design that claims to be able to use electronic noise reduction, especially for continuous low frequency noise. However, these models of noise reduction circuit requires power, some models in the absence of battery will not only lose noise reduction function, and can not continue to listen to music, so users need to pay attention. Some of the in-ear models claim to have a soundproof design beats earbuds that relies on headphones' cushions to press the ear holes to isolate many low to high frequency noise, thus reducing external noise. Users must understand the noise reduction and noise reduction methods of noise, respectively, noise reduction is active, requires power and circuit, sound insulation is only earplugs sponge or pad, no need to use the battery or charge.

    Many larger headset models are equipped with large or small headset conversion plug to match the family stereo combination, beats by dre wireless miniature or portable audio equipment headphone jack; compact headset models are for portable music and other portable equipment, only with small plug. In-ear style earphones are generally attached to different sizes of soft sets, with different cheap beats by dr dre users ear size. Some models are also equipped with cabin seats plugs, easy to take the plane to listen to music. If you can try before you buy, you should try to wear, try to turn the body or move the head and neck test headphones will easily shift or fall, if the headset is not designed or do not match with the ear can affect the comfort when wearing degree. The headset is usually equipped with a headband close to the ear, not easy to walk, usually wrapped in soft leather or thick sponge to wear more comfortable, but users should also pay attention to the weather is hot and hot, soft leather and sponge beats by dre on sale may bring hot Of the feeling, and the material more susceptible to mold moisture, so after use should be properly collected.

    2017-09-15 11:31:06
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