What is the "earphone that doesn't block your ears" where you can hear the surrounding sounds?Explanation of sound quality and sound leakage | Time & Space by KDDI

In recent years, the earphones have been equipped with noise canceling, and the type that can be concentrated on music as much as possible by blocking the outside sound as much as possible.However, those who want to listen like BGM during work, those who want to use it while walking outside but are uneasy if they can not hear the surrounding sounds, and when they are talked to, they have to remove them.Some people may feel troubled.

In addition, the number of teleworks and online conferences (web meetings) has increased the opportunity to use earphones for a long time.If you use earphones for a long time, your ears may hurt or feel pressure.

In response to such voices, in addition to the "bone conduction type", the types of "earphones that do not block ears (although listening earphones)" such as "ear cuff type" and "open -in -ear type" have increased.What kind of mechanism is an earphone that doesn't block your ears?Introducing advantages and disadvantages, what kind of cases are suitable.

There are three main types of earphones that do not block their ears.

It is an old type, not a sound in the ear, but is directly delivered to the auditory nerve instead of the eardrum by transmitting the bones such as the back of the temple or the back of the ear.Since the ears are not blocked, the external sound can be heard without any problems.

It is the same as a normal earphone to attach it to the ear and deliver the sound to the eardrum, but it is easy to capture external sounds because the ears are not completely blocked.

As the name suggests, it is characterized by fixing the ear with a square.Except for the fixing method, it is basically the same as the open -ear type, and the ears can be incorporated without completely blocking the ears.

If you can hear the external sound without blocking your ears, you will be worried about sound quality and sound leakage.The characteristics of sound quality vary depending on the product, and the experience varies depending on the user, but recently the sound quality has been considerably improved, and some products have appealed to things that are comparable to normal earphones.

On the other hand, the sound leakage is different for each type, and the sound leak is reduced with various techniques, but it is better to think that the sound is basically leaked.Like a normal earphone, if you raise the volume to concentrate on music, of course, the sound leak will increase in proportion to it.In a quiet place such as a library, or in an environment where people are right next to the train, it would be safer to avoid using it.

There are several benefits that do not block the ears, but the main main points are the following three.If you apply one, consider using it.

I want to listen to music, but if I block my ears, it's hard to notice the chime and phone call at home.I'm in trouble if I can't react when I talk to the office.However, if you cannot make a sound from the speaker, you can use it with confidence because you can hear the outside sound.

Some people are not good at their ears hurt when the earphones are installed for a long time, and they are not good at obstruction and pressure to block their ears.If the earphones do not block their ears, it is difficult to remember that feeling.In addition, the open -ear type is used in the external ear hole, but the central part is open, so it is less likely to feel pain and pressure.It's a good idea to actually attach it and choose the type that suits you.

I want to exercise while listening to music, such as walking and running, but I'm worried if I can't hear the external sound.If your ears do not block your ears, it's perfect for such a scene.However, avoid using earphones on bicycles, not only dangerous, but may also violate the ordinance.

There are various models that do not block the ears, and there is a feeling of wearing and sound, so I would recommend listening to it at the store.

A complete wireless bone conduction earphone that sings the world's first independent.Rather than putting a sound from the ear canal and the eardrum vibrates directly, the sound is delivered to the hearing nerves through the bones.

Product name / PEACE TW-1 manufacturer / BOCO type / bone conduction type

The style of putting it in the external ear hole is the same as the normal earphone, but the center of the earpiece is open, the external sound can be heard as it is, and the dual listening structure is adopted that does not completely block the ears.is.This is a wired type, but the wireless type "SBH82D" is also available.

Product name / STH40D manufacturer / Sony type / open year type

Ambie's earphone, which is a representative of earphones that do not block ears.Because it is an ear cuff type that is fixed between the ears, there is no feeling of oppression, and there is almost no touch noise that the cord is rubbed in clothes.There is also a wireless type "Ambie Wireless Earcuffs".

Product name / Ambie Sound Earcuffs Maker / Ambie type / ear cuff type

Some people may have more opportunities to wear earphones than before, as the music audition on smartphones has become commonplace, and the number of opportunities for telework has increased.The "earphones that do not block the ears", which are starting to attract attention as the usage environment and purpose of the earphones are diversifying, but it will definitely be harder to hear than usual.When listening to music outside, please choose the best one that suits you while considering your surroundings.

Sentence: Tatsuya Yamamoto