A.調(diào)頻助聽(tīng)器; B.紅外線助聽(tīng)器; C.移頻助聽(tīng)器; D.植入式助聽(tīng)器; E.方向性助聽(tīng)器。
A.全向性助聽(tīng)器和方向性助聽(tīng)器; B.線性助聽(tīng)器和非線性助聽(tīng)器; C.調(diào)頻助聽(tīng)器和紅外線助聽(tīng)器; D.數(shù)字助聽(tīng)器和模擬助聽(tīng)器; E.植入助聽(tīng)器;
A.雙耳定向作用; B.頭影效應(yīng); C.復(fù)聽(tīng); D.雙耳靜噪作用; E.雙耳累加作用。