1 Moore BCJ.Dead regions in the cochlea:Conceptual foundations,diagnosis,and clinical implications[J].Ear and Hearing,2004,25:98.

2 Mazor M,Simon H,Scheinberg J,et al.Moderate frequency compression for the moderately hearing impaired[J].J Acoust Soc Am,1977,65:1273.

3 Alexander JM.Individual variability in recognition of frequency-lowered speech[J].Seminars in Hearing,2013,34:86.

4 Stelmachowicz PG,Lewis DE,Choi S,et al.Effects of stimulus bandwidth on auditory skills in normal-hearing and hearing-impaired children[J].Ear&Hearing,2007,28:483.

5 Behrens S,Blumstein SE.On the role of the amplitude of the fricative noise in the perception of place of articulation in voiceless fricatives[J].Journal of the Acoustical Society of America,1988,84:861.

6 Kuk F,KeenanD,Peeters H,et al.Critical factors in ensuring efficacy of frequency transposition part 2:facilitating Initial adjustment[J].The hearingreview,2007,4.http://www.hearingreview.com/2007/04/critical-factors-in-ensuring-efficacy-of-frequency-transposition-part-2-facilitating-initial-adjustment/.

7 Moeller MP,Hoover BM,Putman CA,et al.Vocalizations of infants with hearing loss compared to infants with normal hearing.Part 1:Phonetic development[J].Ear and Hearing,2007,28:605.

8 Hall JW,Grose JH,Buss E,et al.Spondee recognition in a two-talker masker and a speech-shaped noise masker in adults and children[J].Ear and Hearing,2002,23:159.

9 Kuk F,Keenan D,Korhonen P,et al.Efficacy of linear frequency transposition on consanant identification in quiet and in noise[J].Journal of the American Academy of Audiology,2009,20:465.

10 McCreery RW,Brennan MA,Hoover B,et al.Maximizing audibility and speech recognition with nonlinear frequency compression by estimating audible bandwidth[J].Ear and Hearing,2012,20:1.

11 Glista D,Scollie S,Bagato M,et al.Evaluation of nonlinear frequency compression:clinical outcomes[J].Int J of Aud,2009,48:632.

12 Alexander J.20Q:The highs and lows of frequency lowering amplification.Audiology Online,Article ID:11722.http://www.audiologyonline.com/,2013.

13 Baer T,Moore BCJ,Kluk K.Effects of loss pass filtering on the intelligibility of speech in noise for people with and without dead regions[J].Journal of the Acoustical Society of America,2002,112:1133.

14 Preminger JE,Carpenter R,Ziegler CH.A clinical perspective on cochlear dead regions:intelligibility of speech and subjective hearing aid benefit[J].Journal of the American Academy of Audiology,2005,16:600.

15 Vickers DA,Moore BCJ,Baer T.Effects of low-pass filtering on the intelligibility of speech in quiet for people with and without dead regions at high frequencies[J].J Acoust Soc Am,2001,110:1164.

16 Gordo A,Lorio MCM.Dead regions in the cochlea at high frequencies:implications for the adaptation to hearing aids[J].Rev Bras Otorinolaringol,2007,73:299.

17 Cox RM,Johnson JA,Alexander GC.Implications of highfrequency cochlear dead regions for fitting hearing aids to adults with mild to moderately severe hearing loss[J].Ear&Hear,2012,33:573.

18 Galster JA,Valentine S,Dundas JA,et al.Spectral IQ:audibility improving access to high-frequency sounds.2011.http://www.spectraliq.com/pdfs/spectral-iq-wht-paper.

19 Glista D,Scollie S,Sulders J.Perceptual acclimatization post nonlinear frequency compression hearing aid fitting in older children[J].J Speech Lang Hear Res,2012,55:1765.