What is the role of damping in a back hearing aid?
The main function of the damper of the hearing aid is to reduce the formant of the frequency response of the hearing aid output (usually appearing in1000HZ~3000HZ), use its smooth output to reduce feedback and improve sound quality. The damper can be made of wool velvet, silica gel material, etc., which can disperse energy by friction and limit sound waves because the damping mass is small,1000HZThe frequency is basically no attenuation, right3000HZThe above high frequencies have almost no effect. The damper is usually placed in the ear hook or sound tube, and the closer to the eardrum, the more obvious the damping effect.
Need to do not need a damper or mainly depends on the hearing loss situation. The damper is a small component in the hearing aid, usually more often seen in the eardrum. The main function of the damper of the hearing aid is to reduce the formant of the frequency response of the hearing aid output (usually appearing in1000HZ~3000HZ), use its smooth output to reduce feedback and improve sound quality.
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