The Case for Manual Hearing Aid Volume Controls

Although hearing aids during the past several years have mostly been devoid of a user-adjustable volume control (VC), this feature has been requested by some individuals fitting WDRC (Wide Dynamic Range Compression) hearing aids and by many consumers. As suggested in a previous post, no single volume control setting is ideal for a hearing aid wearer…

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Hearing Aid Evolution VI – Hearing Aid Coupling

Hearing Aid Coupling From an historical point of view, the history of coupling a hearing aid processor to deliver sound to the ear might be ordered as follows: (1) stock ear coupling, (2) custom earmolds, (3) imaging, and (4) same-session coupling. The purpose of an earmold/earpiece is to direct sound to the tympanic membrane without…

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