6 針對較為嚴重的高頻聽力損失,當放大高頻的增益亦無法提供高頻的語音聽辨率,下列何種方式的 效益較為明顯?
(A)語音頻譜增強(enhancement of spectral shape)
(B)頻率轉移(frequency transposition)
(C)母音音長增長(enhancement of vowel duration)
(D)子音音長增長(enhancement of consonant duration)

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統計: A(2), B(174), C(0), D(5), E(0) #1374680