24 由語音辨識-音量函數圖(performance-intensity function),可得到回跌指數(rollover index, RI)作為鑑別
診斷耳蝸後病變的指標,下列何者有回跌(rollover)現象?
(A) PBmax = 90%,PBmin = 40%
(B) PBmax = 76%,PBmin = 68%
(C) PBmax = 90%,PBmin = 80%
(D) PBmax = 40%,PBmin = 36%
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統計: A(327), B(14), C(4), D(12), E(0) #2046916
統計: A(327), B(14), C(4), D(12), E(0) #2046916
詳解 (共 2 筆)
#4793122
聽力學精要 P.226
RI=(PBmax-PBmin)/PBmax=(90%-40%)/90%=56%>45%
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