Alexander, Joshua Michael

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Innovation Title Categories Lead Inventor
Adjustable Hearing Aid with Frequency Compression for Clear Speech Perception
  1. Biotechnology
  2. Biomedical Engineering
Alexander, Joshua Michael
Improved Speech Recognition for High-Frequency Hearing Loss
  1. Medical/Health
Alexander, Joshua Michael


Dr. Joshua M. Alexander is the Director of the Purdue Experimental Amplification Research (EAR) Lab and Associate Professor of Audiology/Hearing Science at Purdue University. He received his B.S., M.S., and Ph.D. all from the University of Wisconsin-Madison. Dr. Alexander's interests are in perceptual/physiological mechanisms for speech understanding in normal hearing and hearing-impaired listeners, hearing aids, and psychophysics. He is a member of the Acoustical Society of America, the Association for Research in Otolaryngology, the American Auditory Society, and the American Speech-Language-Hearing Association.

For additional information, please visit Dr. Alexander's Purdue webpage: or his Purdue EAR Lab website: