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| Earmold Technology With Hearing Aid | |
| 摘 要： | 1.IntroductionThefirstearmoldappearedaroundtheturnofthecentury.Theprimaryfunctionofanearmoldistoprovideasoundchannelfromthehearingaid'sreceivertotheearmoldthatisfreefromfeedback.Thesecondfunctionistoacoustically"shape"thesignalonceitistransducedbythereceiver.ThethirdfunctionistoserveasacomfortableandeffectiveanchortohelPkeepthehearingaidorearmoldiniidetheear.2.ImpressionTechniqueofTheEarmoldEveryhearingaidfittingrequiresanimpressionoftheearbetaken.Tounderstandthevariousstylesofearmold,itisi… |
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