Nirmal Srinivasan


Assistant Professor, Undergraduate Program Coordinator


Contact Info

Van Bokkelen, Room 102


Ph.D, University of Nebraska-Lincoln, 2010
M.S., Electrical Engineering, University of Nebraska-Lincoln
B.E. University of Madras, 2001

Areas of Expertise

Speech Perception
Room acoustics
Hearing Aids
Central Auditory Processing Disorders

Current Funding

  • The role of attention and working memory on speech understanding. Pilot Research seed Fund Program, Towson University. Role: Primary Investigator. $4000. (2021)
  • Physiological and Psychophysical correlates of attention and speech perception. Faculty Development and Research Committee Grant, Towson University. Role: Primary Investigator. $ 5980. (2020 - 2021)


  • Research Affiliate NCRAR, Portland, OR 2013-2016 Postdoctoral Fellow OHSU, Portland, OR 2013-2016
  • Research Associate UT Dallas, Richardson, TX 2012-2013
  • Postdoctoral Fellow University of Louisville, KY 2010-2012

Recent Publications

  • Srinivasan, N., Staudenmeier, A.*, & Clark, K.* (2021). Effect of gap detection threshold and localization acuity on spatial release from masking in older adults. International Journal of Audiology.
  • Srinivasan, N.,Holtz, A.*, & Gallun, F. J. (2020). Comparing spatial release from masking using traditional methods and portable automated rapid testing iPad app. American Journal of Audiology, 29(4), 907-915.
  • Reed, N. S., Oliver, A.*, Srinivasan, N.,Lin, F. R., & Korczak, P. A. (2019). Pilot objective comparative analysis of self-fit personal sound amplification products. Seminars in Hearing, 40(1), 26-36.
  • Srinivasan, N., Stansell, M., & Gallun, F. J. (2017). The role of early and late reflections on spatial release from masking: Effects of age and hearing loss. The Journal of the Acoustical Society of America, 141(3), EL185 - EL191. doi:  1121/1.4973837
  • Srinivasan, N., Jakien, K. M., & Gallun, F. J. (2016). Release from making for small spatial separations: Effects of age and hearing loss. J. Acoust. Soc. Am.,, 140(1), EL73 – EL78. doi: 10.1121/1.4954386
  • Srinivasan, N., Tobey, E. A., & Loizou, P. C. (2016). Prior exposure to a reverberant listening environment improves speech intelligibility in adult cochlear implant listeners. Cochlear Implants International, 17 (2), 98 – 104. doi:10.1080/14670100.2015. 1102455
  • Reinhart, P. N., Souza, P. E., Srinivasan, N., & Gallun, F. J. (2016). Effects of reverberation and compression on consonant identification in individuals with hearing impairment. Ear and Hearing, 37(2), 144 – 152. doi: 10.1097/AUD.0000000000000229
  • Srinivasan, N., & Zahorik, P. (2014). “Enhancement of speech intelligibility in reverberant rooms: Role of amplitude envelope and temporal fine structure”. J. Acoust. Soc. Am., 135(6), EL239 – EL245. doi: 10.1121/1.4874136

Recent Presentations

  • Gallun, F. J., Diedesch, A., Srinivasan, N.,Larrea-Mancera, E. S., Koerner, T., Molis, M., Hoover, E., Eddins, D., & Seitz, A. (2021). Auditory processing abilities across the adult lifespan tested with a Portable Automated Rapid Testing (PART) Battery. Association for Research in Otolaryngology, virtual midwinter meeting.
  • Charney, L.*, & Srinivasan, N.(2020). Spatial release from masking and working memory task. Acoustics Everywhere - The Journal of the Acoustical Society of America,, virtual meeting.
  • Srinivasan, N., &Charney, L.* (2020). Measuring spatial processing abilities based on attention modulating tasks. Acoustics Everywhere - The Journal of the Acoustical Society of America,, virtual meeting.
  • Srinivasan, N.,Pfaffe, A.*, & Gallun, F.J. (2020). Normative psychoacoustic data using the Portable Automated Rapid Testing (PART) iPad application. Acoustics Everywhere - The Journal of the Acoustical Society of America,, virtual meeting.
  • Srinivasan, N.,Reed, N., Lin, F., Korczak, P., Collins, B.*, Connatser, T.*, & Downs, C.*, (2019). Localization comparison using traditional hearing aids and personal sound amplification products. 8th International & Interdisciplinary research conference on Aging and Speech Communication, Clearwater Beach, FL.
  • Latova, L. **, Nakhon, R. **, and Srinivasan, N.(2019). Normative psychoacoustic thresholds using Portable Rapid Automated Testing (PART) app. CHP undergraduate research symposium, Towson, MD.
    • *- Graduate Student
    • **– Undergraduate student
  • Oh, Y., Srinivasan, N., Diedesch, A. C., Hartling, C., Gallun, F. J., & Reiss, L. (2018, May). Difficulty with understanding speech in background noise is predicted by broad binaural pitch fusion in bimodal cochlear implant users. 175th meeting of the Acoustical Society of America, Minneapolis, MN.
  • Gallun, F. J., Jakien, K., Srinivasan, N., Seitz, A., Kampel, S., & Stansell,M. (2017, June). Normative data for assessing performance on a rapid, automated test of speech-on-speech masking and spatial release from masking. 173rd meeting of the Acoustical Society of America, Boston, MA.
  • Srinivasan, N. (2017). Understanding speech perception difficulties in complex listening environments: Individual contributions of age and hearing loss. Hearing and Speech Science Seminar Series, College Park, MD.
  • Srinivasan, N. (2017). Aging effects: Where to look for? Walter Reed National Military Medical Center, Bethesda, MD.
  • Srinivasan, N. (2017). What is important for speech perception: Consonants or vowels? Mid Atlantic Symposium on Hearing, College Park, MD.
  • Srinivasan, N., Gallun, F.J., Kampel, S. D., Jakien, K. M., Gordon, S., & Stansell, M. (2014). Release from masking in simulated reverberant environments. 168th meeting of the Acoustical Society of America, Indianapolis, IN.
  • Srinivasan, N. (2014). Release from masking in reverberant environments - Effect of aging and hearing loss. Northwest Auditory and Vestibular Research Meeting (NWAVRM), Seattle, WA.
  • Srinivasan, N., Gallun, F.J., Reinhart, P. N., & Souza, P. E. (2014). Combined effects of amplitude compression and reverberation on speech modulations. 167th meeting of the Acoustical Society of America, Providence, RI.
  • Srinivasan, N., & Zahorik, P. (2013). Speech intelligibility in reverberant listening environments using PRESTO. PRESTO workshop, Bloomington, IN.
  • Srinivasan, N., Hazrati, O., Ali, H., &Loizou, P. (2013). Context and room adaptation to speech intelligibility in cochlear implant listeners. Sigma Xi Southwest Regional Research Conference, Dallas, TX.
  • Srinivasan, N. (2009). Statistical Techniques for Research Scholars. Mechanical Engineering Association, Sona College of Technology, Salem, India.