How Do Digital and Conventional Hearing Aids Work?

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Aaliawilliam

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First there needs to be a basic understand of howHearing X3 Review hearing works. When sound enters the ear canal, it is turned into vibrations by the eardrum. These vibrations are sent through the ear to delicate hair cells that turn the vibrations into an electric signal. The signal is sent to the brain that then interprets the sound. The most common type of hearing loss, sensorineural, often occurs with aging and involves the damage and dying off of the tiny hair cells. Once damaged, they never grow back. So a hearing device steps in to help.

A microphone that picks up sound waves from the air, converting the sound into an electric signal that is then sent to an amplifier. The amplifier raises the volume of the signal and passes it to a receiver. The receiver then transfers the electric signal back into sound impulses, sending them into the ear where they are naturally sent to the brain. The amplifier has raised the sound level to help the hair cells pick up sound that they no longer can do by themselves due to damage or loss.

Described above is a conventional device. Conventional aids traditionally are selected by a doctor based upon the type of hearing the patient has lost. For example, most people experience high frequency hearing loss as they age (affecting the ability to hear conversation). So a conventional aid designed for high frequency loss would be chosen and then manually calibrated with the patient to try to make as much of a personalized fit as possible.

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