11 助聽器設定參數中的真耳耦合器差值(real-ear to coupler difference, RECD)參數,除了可以直接測量
外也可以使用何種方法求得?
(A)聽力計刻度與實耳差值(real-ear to dial difference, REDD)
(B)實耳阻塞增益值(real-ear occluded gain, REOG)
(C)實耳增益值(real-ear aided gain, REAG)
(D)平坦塞入增益之耦合器反應值(coupler response for flat insertion gain, CORFIG)