King Chung Ph.D., CCC-A

King Chung
Title: Professor
Division: Allied Health and Communicative Disorders
Unit: Audiology
Office Location: Wellness and Literacy Building Rm 1107
Office Phone: 815-753-8033
Office Fax: 815-753-9123
Office Hours: By appointment or by stopping in RM 1107 at the NIU Speech and Hearing Clinic

Courses Taught

  • AHCD 698: Study Abroad Humanitarian Research & Services
  • AUD 625: Acoustics and Instrumentation
  • AUD 700: Research Methods
  • AUD 727: Auditory Disorders
  • AUD 729: Amplification II
  • AUD 730: Advanced Topics in Audiology
  • AUD 798: Capstone Project

Educational Background

  • Ph.D., Northwestern University, 2001 
  • M.A., University of Memphis, 1994
  • B.S., Utah State University, 1992

Certification and Licensure

  • Certificate of Clinical Competence in Audiology (CCC-A)
  • Licensed to practice audiology in the states of Illinois and New York

Academic Interests

  • Use research to inform teaching and enhance student learning

Research Interests

Please see Dr. Chung's CV for more information.

Honors and Awards

  • Excellence in Research College of Human and Health Sciences, Northern Illinois University (2013)


Chung, K. & Zeng, F.G. (2015). Enhancing cochlear implants with hearing aid signal processing technologies. US Patent No. 8,942,815.


Peer-Reviewed Articles

Chung, K. (in press). Improving cochlear implant performance in wind through spectral masking reduction: A multi-microphone and multichannel approach. Ear & Hearing

Chen, H.S., Chiu, W.C., Wang, F., Chang, Y-P, Liu, S.Y., Lin, P-Y. & Chung, K. (2014, corresponding author). Hearing health status of students with special needs in Taiwan. International Journal of Pediatric Otolaryngology, 78, 1677-1685.

Chung, K. (2013). Effects of venting on wind noise levels measured at the eardrum. Ear & Hearing, 34(4), 470-481.

Chung, K., Nelson, LA, & Teske, M. (2012). Noise reduction technologies implemented in head-worn preprocessors for improving cochlear implant performance in reverberant noise fields. Hearing Research, 291(1-2), 41-51.

Chung, K. (2012). Comparisons of spectral characteristics of wind noise between omnidirectional and directional microphones. Journal of Acoustical Society of America, 131(6), 4508-4517.

Chung, K. (2012). Wind noise in hearing aids: II. Effects of microphone directionality. International Journal of Audiology, 51(1), 29-42.

Chung, K. (2012). Wind noise in hearing aids: I. Effects of wide dynamic range compression and modulation-based noise reduction algorithms. International Journal of Audiology, 51(1), 16-28.

Chung, K., & McKibben, N. (2011). Microphone Directionality, Pre-Emphasis Filter, and Wind Noise in Cochlear Implants. Journal of American Academy of Audiology, 22(9), 586-600.

Chung, K., McKibben, N., & Mongeau, L. (2010). Wind noise in hearing aids with directional and omnidirectional microphones: polar characteristics of custom hearing aids. Journal of Acoustical Society of America, 127(4), 2529-2542.

Chung, K., Tufts, J., & Nelson, L.A. (2009). Modulation-based digital noise reduction for application to hearing protectors to reduce overall noise level and maintain speech intelligibility. Human Factors, 51(1), 78-89.

Chung, K., Mongeau, L., & McKibben, N. (2009). Wind noise in hearing aids with directional and omnidirectional microphones: polar characteristics of behind-the-ear hearing aids. Journal of Acoustical Society of America, 125(4):2243-59.

Chung, K. & Zeng, F-G. (2009). Using adaptive directional microphones to enhance cochlear implant performance. Hearing Research, 250, 27-37.

Chung, K., Neuman, A. & Higgins, M. (2008). Effects of in-the-ear microphone directionality on sound direction identification. Journal of Acoustical Society America, 123(4), 2264-2275. 

Chung, K. (2007). Effective compression and noise reduction configurations for hearing protectors. Journal of Acoustical Society of America, 121(2), 1090-1101.

Wagoner, L., McGlothlin, J., Chung, K., Strickland, E., Zimmerman, N. & Carlson, G. (2007). Evaluation of noise attenuation and verbal communication capabilities using three ear insert hearing protection systems among airport maintenance personnel. Journal of Occupational and Environmental Hygiene, 4, 114-122.

Chung, K., Killion, M.C. & Christensen, L.A. (2007). Ranking hearing aid input-output functions for understanding low-level, conversational and high-level speech in multi-talker babble. Journal of Speech Language Hearing Research, 50, 1-19.

Chung, K., Zeng, F-G & Acker, K.N. (2006). Effects of directional microphone and adaptive multi-channel noise reduction algorithm on cochlear implant performance. Journal of Acoustical Society of America, 120(4), 2216-2227.

Chung, K. (2004). Challenges and recent developments in hearing aids Part II: Feedback and occlusion effect reduction strategies, laser shell manufacturing processes and other signal processing technologies. Trends in Amplification, 8(4), 125-64.

Chung, K. (2004). Challenges and recent developments in hearing aids Part I: Speech understanding in noise, microphone technologies and noise reduction algorithms. Trends in Amplification, 8(3), 83-124.

Chung, K., Zeng, F-G & Waltzman, S. (2004). Using hearing aid directional microphones and noise reduction algorithms to enhance cochlear implant performance. Acoustical Research Letters Online, 5(2), 56-61.

Proceedings and Non-Peer Reviewed Articles

Chung, K. (2017). Musical and brain training. How previous and current trainings enhance cognition? Hearing Journal, 70(10):8-9.  

Chung, K. (2017). Hearing health status and service needs on school-aged children: A multi-country comparison. Proceedings of 6th Annual Global Healthcare Conference, 164-7.

Chung, K., Cheyney, M., Newall, J., Le, L. (2017). A hearing report from Australia. Audiology Today, Sept/Oct, 54-62.

Chung, K. (2017). Amplification, auditory training for hearing aid, cochlear implant users. Hearing Journal, Jan, 8-9.

Chung, K. (2016). Does amplification prevent cognitive decline?  Hearing Journal, 69(10), 34-6.

Faire, R.M., Ismail, F., Sterkens, J., Thunder, T. & Chung, K. (2016). Effects of hearing loop systems on speech understanding and sound quality of normal-hearing listeners and hearing aid users. Hearing Review, 23(8), 28-42.

Chung, K. (2016). A hearing report from Cambodia. Audiology Today, Mar/Apr, 62-73.

Chung, K. (2015 Invited). Hearing aid use, cognitive function, and proven benefits. Hearing Journal, Hearing Loss Magazine, Oct/Nov, 18, 20.

Chung, K. (2015). Making room in the brain for speech understanding. Hearing Journal, 68(1), p32-33.

Chung, K. (2014). Frequency compression: New research yields clues for patient selection.  Hearing Journal, 67(1), 14-16.

Chung, K. (2014). Our mission to create a worldwide web of humanitarian research and service. Hearing Journal, Jan.

Chung, K., Ma, B.Y., Gui, M.W.P., Wang, S.F. & Xu, F. (2014). A hearing report from China. Audiology Today, May/Jun, 42-53.

Chung, K. (2014). First person: Our mission to create a worldwide web of humanitarian research and service. Hearing Journal.

Chung, K., Ferrari, D.V., Franca, M.L., Caldana, M.B., Lopes, A.C. (2013). A hearing report from Brazil. Audiology Today, 2013(1), 26-39.

Chung, K. (2013). Cognitive function, speech reception, and hearing aid fitting. Hearing Journal, 66(1), 22-23.

Chung, K., Kam, A., Chan, J., Wong, L.L. (2012). A hearing report from Hong Kong. Audiology Today, 2012(1), 44-51.

Chung, K. (2012). What do we really know about hearing loss and cognitive function? Hearing Journal, 65(1), 18-19.

Chung, K., Chen, H.C., Liu, S.-Y., Wang, N.M., Chang, Y-P., Lin, P.Y., Chen, W-C., Guan, M-L. (2010). A hearing report from Taiwan. Audiology Today, 2010(6), 28-37.

Chung, K. (2010, Invited). Reducing noise interference: Strategies to enhance hearing aid performance. ASHA Leader, Apr. 6, 10-13.

Chung, K., Zeng, F-G & Waltzman, S. (2004). Utilizing advanced hearing aid technologies as pre-processors to enhance cochlear implant performance. The Proceedings of the Fourth Asian-Pacific Symposium on Cochlear Implant and Related Sciences, Cochlear Implant International, 5(1, suppl. 1), 192-195.

Chung, K., Zeng, F-G, Waltzman, S. (2004). Utilizing hearing aid directional microphones and noise reduction algorithms to improve speech understanding and listening preferences of cochlear implant users. International Congress Series. Nov2004, Vol. 1273, p89-92.

Killion, M.C., Schulein, R., Christensen, L., Fabry, D., Revit, L., Niquette, P. and Chung, K. (1998). Real-world performance of an ITE directional microphone. Hearing Journal, 51(4), 24-38.

Humanitarian Research and Services

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