Kaibao Nie, PhD
Associate Teaching Professor
School of Science, Technology, Engineering & Mathematics
University of Washington, Bothell

Adjunct Associate Teaching Professor, Department of Electrical & Computer Engineering
Affiliate Member, Virginia Merrill Bloedel Hearing Research Center
University of Washington, Seattle

Phone (425) 352 5062
Email: niek(at)uw.edu   

Postdoctoral Fellow, University of California, Irvine, CA, 2001-2004
Ph.D. in Biomedical Engineering, Tsinghua University, China, 1999
M.S.  in Electric Engineering,  Shandong University, China, 1991
B.S.   in Electric Engineering,  Shandong University, China, 1988

Research Interests

Signal Processing in Cochlear Implants
Vestibular Neural Prostheses
Speech Perception and Psychoacoustics
Speech Signal Processing
Biomedical Signal Processing
Applications of Digital Signal Processors (DSPs) and Embedded Systems

Links about my research projects:
New coding strategies for cochlear implants-UW Today
Speech coding for cochlear implants on Prof. Les Atlas's webpage
Exposing music to the ears
Cochlear Implants: Music to Your Ears
Multichannel recording and vestibular stimulation
First implanted device to treat balance disorder on UWNEWS

Publications (Peer-refereed journal papers)

1)    Nie, K., Hannaford, S., Nishigaki, M., Drennan, W., Rubinstein, JT. Mandarin Tone Recognition in English Speakers with Normal Hearing and Cochlear Implants. International Journal of Audiology, 12 Volume 58, 2019
2)    James O Phillips, Leo Ling, Amy L Nowack, Christopher M Phillips, Kaibao Nie, Jay T Rubinstein. The dynamics of prosthetically elicited vestibulo-ocular reflex function across frequency and context. Frontiers in Neuroscience, 2018 May 15;12:88
3)    Horn, DL, Dudley, DL, Dedhia, K, Nie, K, Drennan, W, Ho Won, J, Rubinstein, JT, Werner, L. Effects of age and hearing mechanism on spectral resolution in normal hearing and cochlear-implanted listeners. The Journal of the Acoustical Society of America. 2017 Jan;141(1):613. doi: 10.1121/1.4974203.
4)    C. Philips, S.J. Shepherd, A. Nowack, K. Nie, C.R.S. Kaneko, J.T. Rubinstein, L. Ling, and JO. Philips. Loss of Afferent Vestibular Input Produces Central Adaptation and Increased Gain of Vestibular Prosthetic Stimulation, Journal of the Association for Research in Otolaryngology. 2016 Feb;17(1):19-35. doi: 10.1007/s10162-015-0544-6
5)    Phillips C, Ling L, Oxford T, Nowack A, Nie K, Rubinstein JT, Phillips JO. Longitudinal performance of an implantable vestibular prosthesis.  Hearing Research. 2015 Apr;322:200-11. doi: 10.1016/j.heares.2014.09.003.
6)    JO. Phillips, L. Ling1, K. Nie, Elyse Jameyson, CM. Phillips, AL. Nowack, JS. Golub, and JT. Rubinstein. Vestibular Implantation and Longitudinal Electrical Stimulation of the Semicircular Canal Afferents in Human Subjects. Journal of Neurophysiology, 2015 Vol. 113 no. 10, 3866-3892 DOI: 10.1152/jn.00171.2013
7)    Moon IJ, Won JH, Park MH, Ives DT, Nie K, Heinz MG, Lorenzi C, Rubinstein JT. Optimal combination of neural temporal envelope and fine structure cues to explain speech identification in background noise. Journal of Neuroscience. 2014 Sep 3;34(36):12145-54. doi: 10.1523/JNEUROSCI.1025-14.2014
8)    X. Li, K. Nie, J.T. Rubinstein, and L. Atlas, Improved Perception of Music with a Harmonic Based Algorithm for Cochlear Implants. IEEE Transactions on Neural Systems and Rehabilitation Engineering, 2013 Jul;21(4):684-94 (corresponding author)
9)    K. Nie, L. Ling, S.M. Bierer, J.T. Rubinstein and J. Phillips, An experimental vestibular neural prosthesis: design and preliminary with rhesus monkeys stimulated with modulated pulses. IEEE Trans. on Biomedical Engineering, 60(6):1685-92, 2013 (corresponding author)
10)    C. Phillips, C. DeFrancisci, L. Ling, K. Nie, A. Nowack, JO. Phillips, JT. Rubinstein. Postural responses to electrical stimulation of the vestibular end organs in human subjects. Experimental Brain Research, 2013 Aug;229(2):181-95
11)    J.S. Golub, L. Ling, K. Nie, A. Nowack, S.J. Shepherd, S.M. Bierer, E. Jameyson, C.R.S. Kaneko, J.O. Phillips,  J.T. Rubinstein, Prosthetic implantation of the vestibular system: monkey and man. Otology and Neurotology, 2014 Jan;35(1):136-47. doi: 10.1097/MAO.0000000000000003
12)    X. Li, K. Nie, N. Imennov, J.H. Won, L. Atlas, J.T. Rubinstein, Improved perception of speech in noise and Mandarin tones with acoustic simulations of harmonic coding for cochlear implants. (corresponding author, Journal of the Acoustical Society of America, 2012 Nov;132(5):3387-98)
13)    Won JH, Lorenzi C, Nie K, Li X, Jameyson EM, Drennan WR, Rubinstein JT. The ability of cochlear implant users to use temporal envelope cues recovered from speech frequency modulation, Journal of the Acoustical Society of America, 132(2):1113-9, 2012
14)    J.H. Won, K. Nie, W.R. Drennan, E.M. Jameyson, and J.T. Rubinstein, Maximizing the spectral and temporal benefits of two clinically used sound processing strategies for cochlear implants. Trends in Amplification, 16(4):201-10, 2012
15)    JT Rubinstein, C Kaneko, S Bierer, L Ling, K Nie, AF Fuchs, F Santos, S Newlands, F Risi, T Oxford, PJ Abbas, JO Phillips. Implantation of the Semicircular Canals with Preservation of Hearing and Rotational Sensitivity: a vestibular neurostimulator suitable for clinical research. Otology and Neurotology, 33(5):789-96, 2012
16)    S.M. Bierer, L. Ling, K. Nie, J.T. Rubinstein, T. Oxford, A.L. Nowack, C.R. Kaneko, A.F. Fuchs, J.O. Phillips, Auditory outcomes following implantation and electrical stimulation of the semicircular canals. Hearing Research, 287(1-2):51-6, 2012
17)    J.H. Won, W.R. Drennan, K. Nie, E.M. Jameyson, and J.T. Rubinstein. Acoustic temporal modulation detection and speech perception in cochlear implant listeners. Journal of the Acoustical Society of America, 130(1):376-88, 2011
18)    J.H. Won, C.G. Clinard, S. Kwon, V.K. Dasika, K. Nie, W.R. Drennan, K.L. Tremblay, J.T. Rubinstein, Relationship between behavioral and physiological spectral-ripple discrimination, Journal of the Association for Research in Otolaryngology, 12(3):375-93, 2011
19)    K. Nie, S.M. Bierer, L. Ling, T. Oxford, J.T. Rubinstein and J. Phillips. Characterization of the electrically-evoked compound action potential of the vestibular nerve. Otology and Neurotology, 32(1):88-97, 2011(corresponding author)
20)    Drennan, W.R., Won, J.H., Nie, K., Jameyson, E. and Rubinstein, J.T. Sensitivity of psychophysical measures to signal processor modifications in cochlear implant users. Hearing Research, 262(1-2):1-8. PMID: 20144699, 2010
21)    R. Kang, G.L. Nimmons, W. Drennan, J. Longnion, C. Ruffin, K. Nie, J. Won, T. Worman, B. Yueh, and J.T. Rubinstein. Development and Validation of the University of Washington Clinical Assessment of Musical Perception (CAMP) Test. Ear and Hearing, 30(4):411-8, 2009
22)    V.K. Dasika, L.A. Werner, S.J. Norton, K. Nie, and J.T. Rubinstein. Measuring Sound Detection and Reaction Time in Infant and Toddler Cochlear Implant Recipients Using an Observer-Based Procedure: A First Report. Ear and Hearing, Vol.30(2):250-261, 2009
23)    K. Nie, A. Barco, and F.G. Zeng, Spectral and temporal cues in cochlear implant speech perception, Ear and Hearing, vol. 27, pp. 208-217, 2006
24)    F.G. Zeng, K. Nie, G.S. Stickney, Y.Y. Kong, M. Vongphoe, A. Bhargave, C. Wei, and K. Cao. Speech recognition with amplitude and frequency modulations. Proceedings of the National Academy of Sciences of the United States of America (PNAS), vol.102, pp. 2293-2298, 2005
25)    G.S. Stickney, K. Nie, and F.G. Zeng. Contribution of frequency modulation to speech recognition in noise. Journal of Acoustic Society of America, vol.118, pp.2412-2420, 2005
26)    K. Nie, G.S. Stickney, and F.G. Zeng. Encoding frequency modulation to improve cochlear implant performance in noise. IEEE Trans. on Biomedical Engineering, vol. 52, pp. 64-73, 2005 (IEEE Outstanding Paper Award)
27)    N. Lan, K. Nie, S.K. Gao, and F.G. Zeng. A novel speech processing strategy for cochlear implant incorporating Chinese tonal information. IEEE Trans. on Biomedical Engineering, 51(5):752-60, 2004
28)    F.G. Zeng, K. Nie, S. Liu, and G. Stickney et al., On the dichotomy in auditory perception between temporal envelope and fine Structure cues, Journal of Acoustic Society of America, vol.116, pp.1351-1354, 2004