What should I do if there is an echo when wearing a hearing aid in a meeting?

      After wearing a hearing aid, some people will feel that they have echoes in their speech. Listening to their own speech is like a voice after a cold. The buzzing sound is like talking in a wooden barrel. This is because the eardrum (or a customized machine) closes the external auditory canal. Later, the sound of my own speech is conducted through the middle ear and skull, causing the vibration of the external auditory canal cartilage. It is thought that the external auditory canal was open before. This vibration energy is released without being noticed. When the external auditory canal is blocked, this part of the energy is retained. The above phenomenon occurs in the external auditory canal. If our normal hearing people put their fingers or listen to music, or put the earplugs of the phone in the ear canal to listen to their own voice, this situation will also occur. This situation is called in medicine. : Ear plugging effect.This kind of ear plugging effect is obvious in people with hearing loss, the more low-frequency people are, and the more obvious is the customized machine of hearing aids. Under normal circumstances, the components of “air conduction” and “bone conduction” are balanced. After wearing a hearing aid, the “bone conduction” component is strengthened, so there will be echoes. This kind of situation needs to adapt slowly. Some people adapt faster, but it varies from person to person. After a period of time, it will feel better.

The plugging effect refers to the phenomenon that the bone conduction hearing threshold is lowered due to the closure of the external auditory canal.Wearing hearing aids can easily cause the wearer’s ears to feel stuffy, uncomfortable or excessively loud when speaking. People with relatively good low frequencies often have this phenomenon.

6. Special users are extremely sensitive and need to adapt slowly.

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REF: Bluetooth Hearing AidsHearing amplifierDigital Hearing Aids
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