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The science Behind Hearing Aids. Words would probably not explain just how important a hearing…

The science Behind Hearing Aids.

Words would probably not explain just how important a hearing aid is to a person who has lost their ability to hear. The value of a hearing aid is just incomparable because hearing loss is irreversible Hearing aids are the only way for victims of hearing loss to hear the beautiful sounds of life has to offer. Despite many people using the hearing aids, the truth is that not all understand how they work. To begin understanding hearing aids you have to begin with understanding hearing loss.

Hearing lose comes about with age as you would observe with many senior citizens. Upon approaching the age of seventy five there is a fifty percent chance that your hearing ability will deteriorate. The exposure to very loud noises is another way through which people lose their hearing ability. very young people can lose their hearing ability this way too. Explosions and crashes have the ability to cause permanent hearing loss.

It is mandatory for people working in industries to be provided with protective gear that shields their ears from noise related damage. Recurring sounds that area over seventy five decibels which is the safe volume limit will destroy your hearing ability as well. If you happen to exceed eighty five decibels and be exposed for long periods then losing your hearing is even faster. The human ear is composed of several different parts which work together to convert the sound waves into messages that the human ear can make interpretations. The sound waves are converted into electrical signals that are received by the auditory nerve. Sound enters through the air canal to hit the ear drum which vibrates to send signals to the inner ear bone, the bones translates vibrations into ripples in a fluid of the cochlea. The ripples in the cochlear fluid stimulate the hair cells of the inner ear that triggers chemicals generating an electrical signal that is then picked by the auditory nerve and transmitted to the brain in sounds that we understand.

Hearing aids are made of five parts ,a microphone, battery , receiver , microchip and amplifier. The microphone receives sounds from the outside world and turns them into digital signals for the microchip to process. Microchips can be customized so as to fit the user better, not that all hearing loss is not the same. The amplifier then takes the digital signals and makes them louder and stronger, the volume at which the sounds can be received can be altered to the comfort of the user. The role of the receiver is to turn the digital signals into vibrations the ear can understand. There are different types of hearing aids that suit the user depending on the needs and serve specific roles.