Understanding noise

Ear structure, sound from the eardrum vibrations caused by ear first. Within the middle ear is connected with the three bones ( ossicles ) the vibration transmitted to the cochlea of the inner ear. Cochlea filled with fluid, and feel the sound rate of hair ( hair ) were connected, hair cells the vibration into electrical signals, to the brain. Reach the level of noise concussion to the fluid within the cochlea, it is easy to hyperstimulation and cause cell death, a receiving frequency band sound responsible for hair cell death after, the band 's sound is inaudible.

Scientific research, in the long term at85 dB or higher noise, hearing will suffer permanent damage.

85 decibels is equivalent to what level?

10-20dB is very quiet, almost imperceptible sound.

20-40DB equivalent to speak softly.

40-60DB indoor equivalent of ordinary conversation.

60-70DB equivalent of shouting, damage the nervous.

70-90DB is very noisy, equivalent to a noisy restaurant, waiting room and the heavy traffic road noise, and MP3larger volume level.

90-100DB quite noisy, makes the hearing impaired. The equivalent bus station noise, many MP3volume to the great can reach this level.

100-120DB unbearable, a short period of time can cause deafness. Equivalent to a rock concert or ambulance siren.

130 dB above the plane of starting sound, many of MP3's maximum volume is equivalent to a jet aircraft sound.

Look, the noise is ubiquitous, and we avoid noise when, often unconsciously added noise from loud music. Listen to music and to protect the hearing, imminent! How to love music. More loving ears. We have a few suggestions:

One, as far as possible in a quiet environment to enjoy music

Two, to choose the right earphone. Certain selection of high quality headphones, headset ambient noise is more terrible than inferior. The earphone type choice, most recommended headphones, earplugs products that in-ear headphone

Is better than in-ear, due to its isolated part of the noise.

Three, if the choice of ear earplugs, pay attention to choose the right size of covers, with more fitting ear does not produce a foreign body sensation, but please keep the ear cleaning, regular replacement and avoid mixing with others, because of ear earplugs close to the ear canal, such as the lack of clean is easy to cause the ear canal inflammation.

Four, volume is not too big, not more than MP3maximum volume of60% can be a simple test, if you open the music can hear voices outside, or else you can hear the headphones sound, you must

Will turn down.

Listen to music five, each time not too long time, regular relax ears, such as listening to some rhythmic music, best one hour rest, such as listening to soothing music can be appropriately extended some time, remember not to wear

The earphone.

Six, if the long-term use of headphones, pay attention to regular hearing checks, once appear dizziness, earache, tinnitus, early treatment