Top Selling New Bone Conduction Headphones Headset Earphone from China Factory Manufacturer

Bone Conduction Headphones

Bone conduction is a method of sound conduction, which converts sound into mechanical vibrations of different frequencies, and transmits sound waves through the human skull, bone labyrinth, inner ear lymph, auger, and auditory center.

Compared with the classic sound conduction method that generates sound waves through the diaphragm, bone conduction eliminates many steps of sound wave transmission, and can achieve clear sound restoration in noisy environments, and sound waves will not affect others due to diffusion in the air.

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Bone conduction technology is divided into bone conduction speaker technology and bone conduction microphone technology:

(1) The bone conduction speaker technology is used to send a voice, and the voice is heard when the voice is sent. Air conduction speakers convert electrical signals into sound waves (vibration signals) and transmit them to the auditory nerve. The bone conduction speaker is a sound wave (vibration signal) converted from an electrical signal directly transmitted to the auditory nerve through the bone. The transmission medium of sound waves (vibration signals) is different.

(2) The bone conduction microphone technology is used to receive the call, and the voice is collected when the call is received. Air conduction transmission is the transmission of sound waves through the air to the microphone, while bone conduction transmission is transmitted directly through the bone.
Headphones made with these bone conduction technologies are called bone conduction headphones, also known as bone conduction headphones, bone-sensing headphones, bone-conduction headphones, and bone-sensing headphones.

Working principle

Under normal circumstances, sound waves are introduced into the inner ear through air conduction and bone conduction, and then vibrate by the inner and outer lymph fluids of the inner ear. After comprehensive analysis of the cortex, the sound is finally “heared”. Maybe for air conduction (the path is sound wave – auricle – external auditory canal – tympanic membrane – malleus – incus – stapes – vestibular window – external, endolymph – spiral organ – auditory nerve – auditory center), we more or less have some Perceptual understanding, but bone conduction is somewhat ignorant. Maybe you will understand with an example: cover your ears with your hands, talk to yourself, no matter how small the voice, we can hear what we say, this is the result of bone conduction.

There are two ways of bone conduction: moving and squeezing. The two synergistically stimulate the auger to cause hearing. The specific conduction path is: “sound wave-cranium-bone labyrinth-inner ear lymph fluid-spiral-auditory nerve-cerebral cortex auditory center “. Usually people do not need to use their skulls to feel the sound, but when the lesions of the outer ear and middle ear block the transmission of sound waves, bone conduction can be used to compensate for hearing. Such as bone conduction hearing aids, bone conduction headphones, etc., use bone conduction to feel the sound.

Most of the earphones that come into contact with are through “air conduction”, which is called “air conduction earphones”; while the earphones produced by the principle of bone conduction are called “bone conduction earphones”.

Features of bone conduction earphones

(1) Bone conduction speaker technology earphones:
When wearing and using, open both ears and do not block the ears, which solves the discomfort of wearing in-ear headphones.
At the same time, it also avoids a series of hygiene and health problems caused by sweating in the ears when exercising with headphones. Therefore, bone conduction speaker headphones are very suitable for sports use.
Opening both ears also ensures the possibility of using headphones in dangerous situations. With both ears open, you can also notice changes in the surrounding environment while using the headset, making it safer to use.

(2) Bone conduction microphone technology headset:
Loss is low due to the short distance to collect sound. It can let the other party clearly understand the instructions expressed even when the volume of speech is very low, which is mainly used in the military field.

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