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  4. King Chung

King Chung, Ph.D., CCC-A

Title: Professor
Division: Allied Health and Communicative Disorders
Unit: Audiology
Office Location: Wellness and Literacy Building, room 1107
Office Phone: 815-753-8033
Office Fax: 815-753-9123
Email: kchung@niu.edu
Office Hours: By appointment or by stopping in room 1107 at the NIU Speech and Hearing Clinic

Courses Taught

  • AHCD 698: Study Abroad Humanitarian Research and Services
  • AUD 620: Instrumentation
  • AUD 625: Acoustics and Psychoacoustics
  • 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 state of Illinois

Academic Interests

  • Use research to inform teaching and enhance student learning

Research Interests

Please see Chung's CV (PDF) for more information.

Honors and Awards

  • Excellence in Service Award (2020), College of Human and Health Sciences, Northern Illinois University
  • AAA Humanitarian Award (2020), American Academy of Audiology
  • Fulbright Scholar Award (2019), Enhancing Hearing Services in Brazil. Department of State
  • Fulbright Regional Travel Fund (2019), Lecturing and Developing Collaboration in Argentina. Department of State
  • Excellence in Research Award (2013), College of Human and Health Sciences, Northern Illinois University.

Patents

Chung, K. (2021). Portable Calibration System for Audio Equipment and Devices. US Patent No. 11,095,996. Filed Nov. 8, 2018.

Chung, K. and Zeng, F.G. (2015). Enhancing cochlear implants with hearing aid signal processing technologies. US Patent No. 8,942,815. Filed Mar 19, 2003.

Publications

Peer-Reviewed Articles

Chung, K. (2023). Calibration Matters: II. Ambient Noise Level Measurements. Journal of Communication Disorders.

Chung, K. (2023). Calibration Matters: I. Sound Level Meter and Calibration Basics. Journal of Communication Disorders.

De Farias, T.R.F., Nunes, A.D.da S., De Barros, V.V., Xavier, A.R. da S., Freire, P.A., Arrais, R.F., Barbosa, I.R., Chung, K., Balen, S.A. (2021). Programa Saúde Auditiva do Escolar: Uma integração entre pesquisa e extensão. Revista Brasileira de Extensão Universitária, 12(2), 135-146.

Mealings, K., Harkus, S., Flesher, B., Meyer, A., Chung, K. and Dillon, H. (2020). Detection of hearing problems in Aboriginal & Torres Strait Islander children: A comparison between clinician-administered and self-administrated hearing tests. International Journal of Audiology, Feb. 3, 1-9. 

Chung, K. (2020). Comparisons of Paired-Comparison Paradigms for Accessing Perceived Sound Quality of Cochlear Implants in Real-World Acoustic Environments. Journal of Communication Disorders, 83, 1-15. 

Mealings, K., Harkus, Samantha, Hwang, J., Fragoso, J., Chung, K. and Dillon, H. (2020). Hearing loss and speech understanding in noise in Aboriginal and Torres Strait Islander children from different locations and varying socio-educational advantage. International Journal of Pediatric Otorhinolaryngology, 129, 109741. 

Chung, K. (2020). Improving cochlear implant performance in wind through spectral masking reduction: A multi-microphone and multichannel approach. Ear and Hearing, 41(2), 420-432.  

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

Chen, H.S., Chiu, W.C., Wang, F., Chang, Y-P, Liu, S.Y., Lin, P-Y. and 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 and Hearing, 34(4), 470-481.

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

Chung, K., Neuman, A. and 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. and 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. and 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 and 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 and 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. and the Heart of Hearing Team (2022). Significant hearing loss found in Ukrainian refugees. Hearing Journal.

Chung, K. (2022). Fulbright: Opportunities for international academic exchange for audiologists and SLPs. ASHA LeaderLive.

*Chung, K. (2021). A goodwill ambassador to Brazil. Fulbright Association.
*Selected as 1 of 68 stories out of >350 submissions to be published in the commemorative publication “Fulbright Stories since 1946” (p90).

Cavalcanti, H.G., Melo, L.P.F., Morais, A.S., Silva, A.B.V. and Chung, K. (2020). Saude Auditiva de Escolares (Hearing health of School Children). In Cavalcanti & Melo edits. UFPB Publications.

Chung, K. (2020). Strategies to reduce wind noise interference in hearing devices. Hearing Journal. 73(7), 10, 12, 13.

Dantas, P.G.A.L., Morais, A.S., Veiga, A.B., Chung, K. & Cavalcanti, H.G. (2020). Prevalence of cerumen in preschool children in the city of João Pessoa. Medeiros Institute for Advanced Education 2020.

Chung, K. (2020). Fulbright for international teaching, learning, and research. Hearing Journal, 73(3), 34, 36.

O’Boyle, L. and Chung, K. (2019). A hearing report from the Dominican Republic. Audiology Today.

Chung, K. (2018). Theories on hearing-cognition functions. Hearing Journal, 71(12), 10-12.

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. and 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. and 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 and 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. Nov. 2004, 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

Contact Us

College of Health and Human Sciences
Wirtz Hall 227
815-753-1891
chhs@niu.edu

The Dean's Office is open for face-to-face meetings by appointment only.

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