25 使用澳洲國家聲學實驗室非線性第一版(National Acoustic Laboratories of Australia,簡稱 NAL-NL1)
驗證時,轉換的置入增益(insertion gain)可省去何項測量?
(A)實耳未配戴增益(real-ear unaided gain, REUG)
(B)實耳配戴增益(real-ear aided gain, REAG)
(C)實耳對耦合差異(real-ear to coupler difference)
(D)實耳閉塞增益(real-ear occluded gain)