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Xin Luo

Research Interests / Training Areas:

  • Cochlear implants
  • Speech perception
  • Pitch and lexical tones

Biography:

Xin Luo received his Ph.D. in Electrical Engineering from the University of Science and Technology of China in 2005, after completing the thesis research on speech processing strategies for Mandarin-speaking cochlear implant users at the House Ear Institute. He received post-doc training in speech perception and auditory psychophysics with cochlear implants at the same institute before joining the Department of Speech, Language, and Hearing Sciences at Purdue University in fall 2008.

Dr. Luo's research focuses on the mechanisms of pitch perception with normal hearing and cochlear implants, and signal processing techniques to enhance pitch perception in speech and music for cochlear implant users. His research approach uses speech perception tests with clinical cochlear implant processors, psychophysical and electrophysiological measures with cochlear implant research interface, and computational models of cochlear implant stimulation.

Recent Publications and Presentations:

Luo, X., Masterson, M. E., and Wu, C.-C. (2014). Contour identification with pitch and loudness cues using cochlear implants. Journal of the Acoustical Society of America, 135, EL8-EL14.

Wu, C.-C. and Luo, X. (2013). Current steering with partial tripolar stimulation mode in cochlear implants. Journal of the Association for Research in Otolaryngology, 14, 213-231.

Krull, V., Luo, X., and Kirk, K. I. (2012). Talker-identification training using simulations of binaurally combined electric and acoustic hearing: Generalization to speech and emotion recognition. Journal of the Acoustical Society of America, 131, 3069-3078.

Luo, X., Padilla, M., and Landsberger, D. M. (2012). Pitch contour identification with combined place and temporal cues using cochlear implants. Journal of the Acoustical Society of America, 131, 1325-1336.

Luo, X., Landsberger, D. M., Padilla, M., and Srinivasan, A. G. (2010). Encoding pitch contours using current steering. Journal of the Acoustical Society of America, 128, 1215-1223.

Luo, X., Galvin, J. J., and Fu, Q.-J. (2010). Effects of stimulus duration on amplitude modulation processing with cochlear implants. Journal of the Acoustical Society of America, 127, EL23-EL29.