Always listen to songs! In-ear headphones are such damage to your hearing!

In-ear basic features

The in- ear earphone is based on an ordinary earphone and is inserted into the ear canal with a colloidal plug to achieve better hermeticity. The performance of the headset is greatly increased, and this type of sealing generally provides two functions:


The first point is that it can reduce the external noise's interference with music, provide a closed environment, and greatly reduce the leakage sound. From a practical point of view - that is, in a noisy environment; can enjoy music at a relatively low volume without being affected.


The second point is to increase the texture and sense of low frequency and increase the expressiveness of the music details. The earphones of these earphones are connected to the front half of the ear canal through the earmuffs, thus creating a sealed listening environment. Many high-end earphones Headsets even custom eardrums for consumers to provide optimal comfort and perfect sound insulation.


Early in-ear headphones did not have a gas pressure balance hole. When this kind of earphone works, the earphone closes the ear canal first, then the vibration of the diaphragm causes the air pressure in the ear canal to change at any time, acts on the eardrum, will feel dizziness when wearing for a while, often this will cause the eardrum to damage. Therefore, if a younger partner wears an in-ear earphone with dizziness or discomfort, be sure to give up and continue to use it in time. Be sure to choose a different earphone or other in-ear earphone. Of course, now the in-ear headphones are basically equipped with air pressure balance holes, to put it plainly is to open a hole inside and outside the earplugs, simple enough.

In-ear headphones' internal structure


How can hearing be impaired due to incorrect use of headphones for a long period of time?

To understand the relationship between headphones and ears, you first need to understand how ears work. Our ears are an extremely sophisticated sound capture system that can be roughly divided into three major areas - the outer ear, middle

Ears and inner ear. Among the three parts that are most closely related to hearing are the demarcation between the outer ear and the middle ear, the ossicles in the middle ear, and the cochlea in the inner ear. After a complex transmission process, the sound will eventually move the ossicle system and vibrate through a small opening (oval window) in the cochlea into the fluid-filled cochlea.


The hair cells in the cochlea, which are responsible for different frequencies, convert the vibrations into electrical signals of the microvolt level, which conduct the electrical signals through the nerve fibers to the auditory nerves in the brain. Although the whole process is very complicated, but due to the high configuration of the ear of this processor, we do not feel any delay.

The internal structure of the ear


When you are in a high-decibel sound environment for a long time, the most direct injury is the inner ear, and the treble or noise constantly impacts the liquid in the cochlea, causing hair cells to die due to overstimulation. The metaphor of an image is that when we often “enjoy” high-volume music for a long time, hair cells are like a grass that is constantly being crushed by a roller and slowly dies. Over time, if the hair cells responsible for a certain frequency band are severely damaged, the hearing level in the frequency band will drop sharply.


In-ear headphones may be more harmful to hearing

Therefore, it can be said that open earplugs hurt earphones less than ear damages, mainly due to the following points:


1) Since in-ear headphones are closer to the tympanic membrane, the range of sound waves is small and concentrated, and the stimulation of the auditory nerves of the eardrum is relatively large. It is very easy to cause damage to the eardrum and inner ear. When noise accumulates to a certain degree, tinnitus and earache will occur. Headache, dizziness, emotional stress and other symptoms.


2) The structure of open earplugs and earphones is different. In-ear headphones are very troublesome. They need to be combined with the human ear canal. People's and empty are not the same, and incompetent earphones have different ears. This is why a lot of big brands of headphones, why will be equipped with 3 pairs of earmuffs, or even 6 pairs of earmuffs reasons, we must choose the right earmuffs.

High-quality headphones usually come with multiple different sizes of earmuffs


3) Materials used for earmuffs, developed earplugs do not have to be inserted into the earhole, so the requirements for the material are not particularly high, but the ear is to enter the earhole, the material requirements are very high, the same requirements for hygiene, if you use the material Poor earmuffs will cause some illnesses, so those on-street earphones on the roadside or on the Internet will not be purchased. In addition, when the weather is hotter and sweating more, wearing a headset for a long time may cause otitis externa.


4) From the perspective of listening to music, the in-ear earplugs have good soundproofing effects and strong bass. Although the landlord feels good in this respect, it is precisely because of this that the damage to the hearing is great, the strong feelings of music, people will listen to the songs, Unconsciously raising the volume will damage your natural hearing in the long run.

Noise in different environments

How to protect our hearing

Of course, the Walkman and the headset are both important parts of the development of human science and technology. They have long been an irreplaceable necessities of life in people's daily lives. In fact, it is not difficult to protect one's own ears while enjoying music. Friends who love songs may wish to listen to our tips.

1) Turn down the volume indoors as much as possible: Generally speaking, in a quiet environment, the volume can be set to a level that you can just hear. For headsets, the volume should be adjusted so that it is appropriate to hear the surrounding conversations; for in-ear headphones, it is possible to remove one side of the headset and adjust the other side's volume to be similar to the volume of the conversation. When you need to turn up the volume, it is best not to exceed 60% of the maximum volume.


2) Noise should be effectively shielded in the outdoors: In fact, when the surrounding environment is noisy and the volume is difficult to hear when it is higher, it is necessary to decisively turn off the player. If you have to listen to music in such a high-decibel environment, you may wish to switch to in-ear headphones, earbud headphones, or headsets that have good shielding against outside noise. When most of the external noise is shielded, the set volume is naturally much smaller.


3) Do not use the headset for a long period of time: In general, do not use the headset for more than 2-3 hours per day (or within 1 hour if the volume is large). Sleeping with headphones is a bad habit to avoid.


4) Set the maximum volume: Many players can manually set the maximum volume limit (some mobile phones also have a maximum volume alert), you can manually set the maximum volume at 60%, so that you will not increase the volume due to hand owed.


In addition, if you feel any hearing loss or ear discomfort, regular inspections can help the injured ear get the most timely treatment. Of course, there are many ways to protect your ears, choose a suitable headset, moderate music, and protect your ears.


About the selection and purchase of in-ear headphones

The above three points are only relative, not absolute, both have their own advantages. If the landlord can do the following things, then either the development of ear plugs or in-ear ear plugs are the same: Therefore, in addition to controlling the time of continuous listening to music every day, we should also ensure the quality of the selected headphones, we must buy well-known big brands, and guarantee that they are genuine licensed products. If the budget is sufficient, you can choose different headphones according to different environments, try to avoid using in-ear headphones.

The article comes from China Headphone Exchange:/


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