Publications
Test Stimuli and Datasets
Alexander, J. M., Schmig, S., Wagner, R., Armstrong, S. (2021). Dataset of the peak height insertion gain (PHIG) method for quantifying acoustic feedback in hearing aids. Purdue University Research Repository. doi:10.4231/K1WJ-TW90
Alexander, J. M., Plotkowski, A. (2021). Audio files and raw data for Perceptually Robust English Sentence Test – Revised (PRESTO-R). Purdue University Research Repository. doi:10.4231/FT0S-1715
Alexander, J. M. (2021). s-sh Confusion Test Audio Files. Purdue University Research Repository. doi:10.4231/AG8V-DM52
Sinusoidal Pole And Noise (SPAN) test signals: 750 ms, 1500 ms, 3000 ms
Patents
J.M. Alexander (2024). “Hybrid Expansive Frequency Compression for Enhancing Speech Perception by Individuals with High-Frequency Hearing Loss” (Patent No. US 11,961,529 B2).
J. M. Alexander (2018). “Enhancing perception of frequency-lowered speech” (Patent No. US 10,083,702 B2).
R. L. Jenison, K. R. Kluender, and J. M. Alexander (2017). “System and method for selective enhancement of speech signals” (Patent No. US 9,706,314 B2).
J. M. Alexander (2015). “Enhancing perception of frequency-lowered speech” (Patent No. US 9,173,041 B2).
“Auditory Model-Inspired Automatic Speech Recognition,” M. Beltman, M. Kwon, T. Talavage, M. Heinz, J.M. Alexander, S. J. Bolton, and Intel Corporation. Disclosed: February 5, 2014.
Research Articles
Alexander, J.M., Schmig, S., Wagner, R.P., and Armstrong, S. (2021). The peak height insertion gain (PHIG) method for quantifying acoustic feedback in hearing aids. J. Acoust. Soc. Am., 150, 1635-1651. https://doi.org/10.1121/10.0005987
DeRoy Milvae, K., Alexander, J.M., and Strickland, E.A. (2021). The relationship between ipsilateral cochlear gain reduction and speech-in-noise recognition at positive and negative signal-to-noise ratios. J. Acoust. Soc. Am., 149, 3449-3461. https://doi.org/10.1121/10.0003964
Rallapalli, V., and Alexander, J.M. (2019). “Effects of noise and reverberation on speech recognition with variants of a multichannel adaptive dynamic range compression scheme,” Int. J. Audiol., 58, 661-669.
Alexander, J.M. (2019). “The s-sh confusion test and the effects of frequency lowering,” J. Speech Lang. Hear. Res., 62, 1486-1505.
Alexander, J. M., and Rallapalli, V., (2017). “Acoustic and perceptual effects of amplitude and frequency compression on high-frequency speech,” J. Acoust. Soc. Am., 142, 908-923.
Brennan, M. A., Lewis, D., McCreery, R., Kopun, and J., Alexander, J. M. (2017). “Listening effort and speech recognition with frequency compression amplification for children and adults with hearing loss,” J. Am. Acad. Audiol., 28, 823-837.
Lllanos, F., Alexander, J. M., Stilp, C. E., and Kluender, K. R. (2017). “Power spectral entropy as an information-theoretic correlate of manner of articulation in American English,” J. Acoust. Soc. Am., 141, EL127-EL133.
Winiger, A., Alexander, J. M., and Diefendorf, A. (2016). “Minimal hearing loss: From a failure based approach to evidence based practice,” Am. J. Audiol., 25, 232-245.
Plotkowski, A., and Alexander, J. M. (2016). “A sequential sentence test paradigm using revised PRESTO sentence lists,” J. Am. Acad. Audiol., 27, 647-660.
Alexander, J. M. (2016). “Nonlinear frequency compression: Influence of start frequency and input bandwidth on consonant and vowel recognition,” J. Acoust. Soc. Am., 139, 938-957.
Brennan, M. A., McCreery, R., Kopun, J., Alexander, J. M., Lewis, D., and Stelmachowicz, P. G. (2016). “Masking release in children with hearing loss when using amplification,” J. Speech Lang. Hear. Res., 59, 110-121.
Rallapalli, V., and Alexander, J. M. (2015). “Neural-Scaled Entropy predicts the effects of nonlinear frequency compression on speech perception,” J. Acoust. Soc. Am., 138, 3061-3072.
Alexander, J. M., and Masterson, K. M. (2015). “Effects of WDRC release time and number of channels on output SNR and speech recognition,” Ear and Hearing, 36, e35-e49.
Brennan, M. A., McCreery, R., Kopun, J., Alexander, J. M., Lewis, D., and Stelmachowicz, P. G. (2014). “Paired comparisons of nonlinear frequency compression, extended bandwidth, and restricted bandwidth hearing-aid processing for children and adults with hearing loss,” J. Am. Acad. Audiol., 25, 983-998.
Alexander, J. M., Kopun, J.G., and Stelmachowicz, P. G. (2014). “Effects of frequency compression and frequency transposition on fricative and affricate perception in listeners with normal hearing and mild to moderate hearing loss,” Ear and Hearing, 35, 519-532.
McCreery, R. W., Alexander, J. M., Brennan, M. A., Hoover, B., Kopun, J., and Stelmachowicz, P. G. (2014). “The influence of audio-visual exposure on speech recognition with nonlinear frequency compression for children and adults with hearing loss,” Ear and Hearing, 35, 440-447.
Alexander, J. M., Jenison, R. L., Kluender, K. R. (2011). “Real-time contrast enhancement to improve speech recognition,” PLoS ONE 6(9), e24630, doi:10.1371/journal.pone.0024630.
Alexander, J. M., and Kluender, K. R. (2010). “Temporal properties of perceptual calibration to local and broad spectral characteristics of a listening context,” J. Acoust. Soc. Am., 128, 3597-3613.
Stilp, C. E., Kiefte, M., Alexander, J. M., and Kluender, K. R (2010). “Cochlea-scaled spectral entropy predicts rate-invariant intelligibility of temporally distorted sentences,” J. Acoust. Soc. Am., 128, 2112-2126.
Stilp, C. E., Alexander, J. M., Kiefte, M., and Kluender, K. R. (2010). “Auditory color constancy: Calibration to reliable spectral properties across speech and nonspeech contexts and targets,” Attent., Percept. & Psychophys., 72, 470-480.
Alexander, J. M., and Kluender, K. R. (2009). “Relativity of spectral tilt change in stop consonant perception by hearing-impaired listeners,” J. Speech Lang. Hear. Res., 52, 653-670.
Alexander, J. M., and Kluender, K. R. (2008). “Relativity of spectral tilt change in stop consonant perception,” J. Acoust. Soc. Am., 123, 386-396.
Alexander, J. M., and Lutfi, R. A. (2008). “Sample discrimination of frequency by hearing-impaired and normal-hearing listeners,” J. Acoust. Soc. Am., 123, 241-253.
Alexander, J. M., and Lutfi, R. A. (2004). “Informational masking of tones in hearing-impaired and normal-hearing listeners: Sensation level and decision weights,” J. Acoust. Soc. Am., 116, 2234-2247.
Lutfi, R. A., and Alexander, J. M. (2005). “Effects of informational maskers within and across trials,” J. Acoust. Soc. Am., 118, 322-324.
Lutfi, R. A., Oh, E., Storm, E., and Alexander, J. M. (2005). “Classification and identification of recorded and synthesized impact sounds by practiced listeners, musicians and nonmusicians,” J. Acoust. Soc. Am., 118, 393-404.
Invited Book Chapters
Kluender, K. R., and Alexander, J. M. (2007). “Perception of speech sounds,” in P. Dallos and D. Oertel (Eds.) Handbook of the Senses: Audition (Elsevier: London).
Edited Journal Editions
“Special Issue: Perception and Production of Sounds in the High-Frequency Range of Human Speech,” Ewa Jacewicz, Joshua M. Alexander, Robert A. Fox (Eds.), Journal of the Acoustical Society of America.
“Hearing Aid Technology to Improve Speech Intelligibility in Noise,” Joshua M. Alexander (Ed.) Seminars in Hearing, 42(3).
Alexander, J.M. (2021). “Hearing aid technology to improve speech intelligibility in noise,” Seminars in Hearing, 42(3), 175-185.
Invited Review Articles
Alexander, J.M. (2024). 20Q: Artificial Intelligence in Hearing Aids – HatGPT, AudiologyOnline, Article #28996.
Alexander, J.M. (2024). A Comprehensive Guide to Fitting Frequency-Lowering Hearing Aids. AudiologyOnline, Article #39442.
Jacewicz, E., Alexander, J.M., Fox, R.A. (2023). Introduction to the special issue on perception and production of sounds in the high-frequency range of human speech. Journal of the Acoustical Society of America, 154, 3168-3172.
Jacewicz, E., Alexander, J.M., Fox, R.A. (2023). Extended high frequency in hearing and speech, Acoustics Today, 19(3), 22-29.
Sangren, E. and Alexander, J.M. (2023). Music quality in hearing aids. Audiology Today, 35(4).
Alexander, J.M. (2021). “Hearing aid technology to improve speech intelligibility in noise,” Seminars in Hearing, 42(3), 175-185.
Alexander, J.M. (2019). Frequency Compression and Transposition. In J. S. Damico & Martin J. Ball (eds.), The Sage Encyclopedia of Human Communication Sciences and Disorders (Sage: Thousand Oaks), pp. 781-784.
Alexander, J. (2016). “20Q: Frequency Lowering Ten Years Later – New Technology Innovations,” AudiologyOnline, Article #18040.
Alexander, J. M. (2016). Hearing aid delay and current drain in modern devices. Canadian Audiologist, 3(4).
Angelo, K., Alexander, J. M., Christiansen, T. U., Jespersen, C. F. (2015). Oticon frequency composition. Oticon White Paper.
Alexander, J. M. (2014). “How to use probe microphone measures with frequency-lowering hearing aids,” Audiology Practices, 6(4), 8-13.
Alexander, J. M. (2013). “Individual variability in recognition of frequency-lowered speech,” Semin. Hear., 34, 86-109.
Mueller, H. G., Alexander, J. M., & Scollie, S. (2013). “Frequency lowering amplification: function, clinical applications, and practical tips,” AudiologyOnline, Article #23076.
Alexander, J. (2013). “20Q: The Highs and lows of frequency lowering amplification,” AudiologyOnline, Article #11772.
Mueller, H. G., Alexander, J. M., & Scollie, S. (2013). “20Q: Frequency lowering – the whole shebang,” AudiologyOnline, Article #11913.
Alexander, J. M. (2003). “Multidimensional Detection Theory,” DOI: 10.13140/RG.2.1.2258.0884.
Conference Proceedings
Bharadwaj, H., Parida, S., Kafi, H., Alexander, J.M., and Heinz, M. (2024). Overzealous Tail: Distorted Tonotopy Degrades Suprathreshold Sound Coding in Sensorineural Hearing Loss. Mechanics of Hearing Workshop 2024 (MoH 2024), Ann Arbor, Michigan, USA. Zenodo. https://doi.org/10.5281/zenodo.13334673
Bouman*, T., Barnard, A., and Alexander, J.M. (2017). Continued drive signal development for the carbon nanotube thermoacoustic loudspeaker using techniques derived from the hearing aid industry. SAE Technical Paper, 2017-01-1895, doi:10.4271/2017-01-1895.
Stilp*, C.E., and Alexander, J.M. (2016). Spectral contrast effects in vowel categorization by listeners with sensorineural hearing loss. Proceedings of Meetings on Acoustics, 25, doi: 10.1121/2.0000233.
DeRoy Milvae2*, K., Alexander, J.M., and Strickland, E.A. (2015). Is cochlear gain reduction related to speech-in-babble performance? Proceeding of the International Symposium on Auditory and Audiological Research, 5, 43-50.
Alexander*, J.M., and Hariram2, V. (2013). Neural-scaled entropy as a model of information for speech perception. Proceedings of Meetings on Acoustics, 19, 050179, doi: 10.1121/1.4799891.
Invited Talks
Alexander, J.M. (2024). Factors that may influence the quality of music recorded from hearing aids. Annual Convention of the Indiana Speech-Language-Hearing Association.
Alexander, J.M. (2024). A Clinician’s Primer on How and Why to Perform the ‘ANSI Test’. AudiologyOnline, Course #39223.
Alexander, J.M. (2023). Factors that may influence the quality of music recorded from hearing aids. University of Pittsburgh Research Round Table.
Sandgren, E.2, and Alexander, J.M.* (2023). Evaluating the Efficacy of Music Programs in Hearing Aids. AudiologyOnline, Course #38280.
Alexander, J.M. (2022). Modern Hearing Aid Technology to Improve Speech Intelligibility in Noise. AudiologyOnline, Course #37378.
Alexander, J.M. (2021). Invited keynote address at Ordre des audioprothésistes du Québec Congrés Annuel 2021.
Alexander, J.M. (2021). Speech Acoustics and Frequency Lowering. AudiologyOnline, Course #36922.
Alexander, J.M. (2021). (Invited panelist) Open Source Audio Processing Platform–Live Workshop!, (Acoustical Society of America, Acoustics in Focus Virtual Conference).
Alexander, J.M. (2021). 5-Hour Master Class: Frequency lowering. AudiologyOnline, Course #36359.
Alexander, J.M. (2020). Reintroducing the high-frequency region to speech perception research (Acoustical Society of America, Acoustics Virtually Everywhere).
Alexander, J.M. (2019). Frequency Lowering – Is it in or is it out? University of Maryland 5th Annual Auditory and Vestibular Translational Day on New Technologies in Hearing (Baltimore, Maryland).
Alexander, J.M. (2019). Comparison of PHIG results with listening data and further modification and optimization of peak-height insertion gain (ANSI S3/WG48 working group, Columbus, Ohio).
Alexander, J.M. (2019). Frequency-lowering technologies to improve hearing. Indiana Clinical and Translational Sciences Institute Retreat (West Lafayette, Indiana).
Alexander, J.M. (2018). Wide dynamic range compression: The good, the bad, and the ugly. Convention of the Kansas Speech and Hearing Association (Wichita, Kansas).
Alexander, J.M. (2018). Adaptive nonlinear frequency compression reveals mechanisms for perception of frequency-lowered speech. Convention of the Kansas Speech and Hearing Association (Wichita, Kansas).
Alexander, J.M. (2018). Potential mechanisms for perception of frequency-lowered speech. University of Iowa Department of Communication Sciences and Disorders Professional Seminar Series (Iowa City, Iowa).
Alexander, J.M. (2018). Audiologic Evaluation of the Tympan Open Source Hearing Aid. Meeting of the Acoustical Society of America (Minneapolis, Minnesota).
Alexander, J.M. (2017). Enhancing perception of frequency-lowered speech. Palm Springs Hearing Seminar (Palm Springs, California).
Alexander, J.M. (2017). The trials and tribulations of using frequency compression to amplify speech. Palm Springs Hearing Seminar (Palm Springs, California).
Alexander, J.M. (2017). Nonlinear frequency compression – what’s in and out. Canadian Academy of Audiology Conference (Ottawa, Canada).
Alexander, J.M. (2017). Signia Expert Series: Nonlinear frequency compression for the busy clinician. AudiologyOnline, Course #29400.
Alexander, J.M. (2016). Insights into nonlinear frequency compression, past, present, and future. Sonova (Stäfa, Switzerland).
Alexander, J.M. (2016). What every audiologist needs to know about speech perception. 2016 Annual Signia Student University (Piscataway, New Jersey).
Alexander, J.M. (2016). The role of neuroscience in the rehabilitation of hearing loss with hearing aids. Purdue Institute for Integrative Neuroscience (West Lafayette, Indiana).
Alexander, J.M. (2016). Development and implementation of a sequential sentence test paradigm using revised PRESTO sentence lists. Speech Research Laboratory of David Pisoni (Bloomington, Indiana).
Alexander, J.M. (2015). The hearing aid fitting process for frequency lowering amplification. Purdue Crossroads Conference (West Lafayette, Indiana).
Alexander, J.M. (2015). The trials and tribulations of amplifying speech for sensorineural hearing loss. Starkey Audiology Research Seminar Series.
Alexander, J.M. (2015). Results on a method of frication translocation. Oticon (Copenhagen, Denmark).
Alexander, J.M. (2015). Success or failure: The algorithm might be good, but not the fitting. Seventh International Forum for Hearing Instruments Developers (Oldenburg, Germany).
Alexander, J.M. (2015). Information for perception of speech distorted by sensorineural hearing loss. UC Berkeley Department of Psychology, Invited Colloquium (Berkeley, California).
Alexander, J.M. (2015). Frequency lowering techniques and results from the Purdue EAR Lab. Starkey Hearing Research Center (Berkeley, California).
Alexander, J.M. (2014). Hearing aid solutions for the speech-in-noise problem. AudiologyOnline, Course #24917.
Alexander, J.M. (2014). Everything you wanted to know about frequency lowering amplification. Convention of the Kansas Speech and Hearing Association (Kansas City, Kansas).
Alexander, J.M. (2014). Clinical considerations for using frequency lowering amplification. National Center for Rehabilitative Auditory Research (NCRAR) Monthly Seminar Series (Portland, Oregon).
Alexander, J.M. (2014). Hearing aid solutions for the speech-in-noise problem. 3rd Annual Siemens Student University (Piscataway, New Jersey).
Alexander, J.M. (2013). Research in frequency lowering. Oticon (Copenhagen, Denmark).
Alexander, J.M. (2013). Individual variability in recognition of frequency-lowered speech. AudiologyOnline, Course #23437.
Alexander, J.M. (2013). Clinical applications of frequency lowering. 2nd Annual Siemens Student University (Piscataway, New Jersey).
Alexander, J.M., and Hariram, V. (2013). Neural-scaled entropy as a model of information for speech perception. 21st International Congress on Acoustics (Montreal, Canada).
Alexander, J.M. (2012). Frequency lowering in hearing aids. Indiana Speech-Language-Hearing Association Conference (Indianapolis, Indiana).
Alexander, J.M. (2011). Selection and verification of frequency-lowering technology. Nebraska Speech-Language-Hearing Association Conference (Kearney, Nebraska).
Alexander, J.M., and Bentler, R.A. (2010). Update on frequency-lowering techniques in hearing aids. American Speech-Language-Hearing Association Conference (Philadelphia, Pennsylvania).
Alexander, J.M. (2010). The effects of nonlinear frequency compression on speech information. Boys Town National Research Hospital Colloquium (Omaha, Nebraska).
Alexander, J.M. (2010). The effects of nonlinear frequency compression on speech information. Hearing Aid Laboratory of Ruth Bentler (Iowa City, Iowa).
Alexander, J.M. (2010). Maximizing benefit from nonlinear frequency compression. 4th Phonak Virtual Audiology Conference.
Alexander, J.M. (2010). Considerations and techniques for frequency lowering in hearing aids. GN ReSound-TRUE Research Conference (St. Petersburg, Florida).
Alexander, J.M. (2009). Current frequency lowering options in hearing aids. American Speech-Language-Hearing Association Conference (New Orleans, Louisiana).
Alexander, J.M. (2009). Candidacy, selection, and verification of SoundRecover options. 3rd Phonak Virtual Audiology Conference.
Alexander, J.M. (2004). A molecular analysis of complex tone discrimination by normal-hearing and hearing-impaired listeners. University of Wisconsin Department of Communicative Disorders Colloquium.
Alexander, J.M., and Lutfi, R.A. (2004). Listening weights for signals and maskers with uncertain frequency in normal-hearing and hearing-impaired listeners. Special Session honoring the work of Charles S. Watson at the Meeting of the Acoustical Society of America (New York, New York).
Conference Presentations
Alexander, J. *, Heinz, M., Shader, M., Grama, A., Bartlett, E., and Simpson, J. (2024). Addressing Hearing Health Equity in Indiana Using Precision Audiology. Indiana CTSI Purdue Campus Retreat and Health Equity Summit.
Alexander, J. *, Heinz, M., Shader, M., Grama, A., Bartlett, E., and Simpson, J. (2024). Addressing Hearing Health Equity in Indiana Using Precision Audiology. Annual Convention of the Indiana Speech-Language-Hearing Association.
Sandgren, E.*2, and Alexander, J.M. (2023). Evaluating the efficacy of music programs in hearing aids. Meeting of the Acoustical Society of America.
Kim, N.*, and Alexander, J.M. (2023). Speakers – as a sensor and actuator for ear condition monitoring. Meeting of the Acoustical Society of America.
Alexander, J.M. *, Neely, S., Audette, C., and Yuan, E. (2022). In situ tuning of an adaptive feedback canceler using the Tympan open source audio processor. 2022 International Hearing Aid Conference.
Harris, S.*, Clavier, O., McCreery, R., Brennan, M., Audette, C., Alexander, J.M., Yuan, E., and Neely, S. (2022). Tympan electroacoustic and behavioral measurements. 2022 International Hearing Aid Conference.
Kafi, H.I.*2, Alexander, J.M., Bharadwaj, H.M. (2022). Characterizing the effect of distorted tonotopy on neural encoding and perception in sensorineural hearing loss. Meeting of the Acoustical Society of America.
Masters, B.P.1,and Alexander, J.M.* (2021). Directionality characteristics of the Tympan open-source hearing aid and earpieces. Meeting of the Acoustical Society of America.
Alexander, J.M. (2019). Use of signal detection theory to quantify the effects of adaptive nonlinear frequency compression on S-SH confusions. Contemporary Hearing Science Inspired by David M. Green, Symposium sponsored by the Knowles Hearing Center at Northwestern University.
Alexander, J.M. (2019). Difference limens for noise bandwidth discrimination in listeners with normal and impaired hearing. Meeting of the Acoustical Society of America.
Alexander, J.M. (2019). Frequency Lowering – Is Time on our Side? American Academy of Audiology Conference.
Trippel*2, S., and Alexander, J.M. (2019). Validity of the Peak Height Insertion Gain (PHIG) Function for Quantifying Feedback. American Academy of Audiology Conference.
Mochel*2, M., and Alexander, J.M. (2019). Quick Hearing Aid Verification using the New SPAN Test Signal. American Academy of Audiology Conference.
Alexander, J.M. (2018). Perceptual outcomes following parametric manipulations of adaptive nonlinear frequency compression. Annual Scientific and Technology Conference of the American Auditory Society.
Bouman*, T., and Alexander, J.M. (2017). Continued drive signal development for the carbon nanotube thermoacoustic loudspeaker using techniques derived from the hearing aid industry. SAE Noise and Vibration Conference.
Mueller*1, A., and Alexander, J.M. (2017). The Purdue S-SH (PUSSH) Test for frequency-lowered speech. American Academy of Audiology, AudiologyNOW! Conference.
Norris*2, A., and Alexander, J.M. (2017). Factors influencing current drain in modern hearing aids. American Academy of Audiology, AudiologyNOW! Conference.
Rallapalli*2, V., and Alexander, J.M. (2017). Individual differences in temporal envelope processing with amplitude compression. Annual Scientific and Technology Conference of the American Auditory Society.
Audette*, W.E., Clavier, O., Rasetshwane, D., Neely, and Alexander, J.M. (2017). Development of an open source hearing aid platform. Meeting of the Acoustical Society of America.
Audette*, W.E., Rasetshwane, D., Neely, S., Brennan, M., McCreery, R., Alexander, J.M., and Clavier, O. (2017). Development of an open source hearing aid platform. Annual Scientific and Technology Conference of the American Auditory Society.
Alexander*, J.M., and Li2, J. (2016). Real-time inverse frequency compression using an iPod. 2016 International Hearing Aid Conference.
Angelo*, K., Alexander, J.M.,et al. (2016). Access to high-frequency speech sounds with Speech Rescue technology. HEAL (HEaring Across the Lifespan) Conference, Cernobbio (Lake Como), Italy.
Stilp*, C.E., and Alexander, J.M. (2016). Spectral contrast effects in vowel categorization by listeners with sensorineural hearing loss. Meeting of the Acoustical Society of America.
Milvae2*, K., Alexander, J.M., and Strickland, E.A. (2016). Investigation of the relationship between cochlear gain reduction and speech-in-noise performance at positive and negative signal-to-noise ratios. Meeting of the Acoustical Society of America.
Alexander*, J.M., and Rallapalli2, V. (2016). Acoustic effects of amplitude and frequency compression on high-frequency speech. Annual Scientific and Technology Conference of the American Auditory Society.
Schnetzer, L., and Alexander, J.M., Humes, L., Withnell*, R. (2016). A physiologically-based method for prescribing amplification for sensorineural hearing loss. MidWinter Meeting of the Association for Research in Otolaryngology.
Llanos2*, F., and Alexander, J.M., Stilp, C.E. (2015). Shannon entropy predicts the sonority status of natural classes in English. Meeting of the Acoustical Society of America.
Milvae2*, K., and Alexander, J.M., Strickland, E.A. (2015). Is cochlear gain reduction related to speech-in-babble performance? International Symposium on Auditory and Audiological Research (Nyborg, Denmark).
Plotkowski2*, A.R., Hariram2, V., and Alexander, J.M. (2015). Temporal envelope cues in frequency-lowered and un-lowered fricatives. Annual Scientific and Technology Conference of the American Auditory Society.
Hariram2*, V., Plotkowski2, A.R., and Alexander, J.M. (2015). Effects of WDRC on perception of high-frequency speech cues. Annual Scientific and Technology Conference of the American Auditory Society.
Plotkowski2*, A.R., and Alexander, J.M. (2014). A new dual-task paradigm to assess cognitive resources utilized during speech recognition. Meeting of the Acoustical Society of America.
Hariram2*, V., and Alexander, J.M. (2014). Neural-scaled entropy predicts the effects of nonlinear frequency compression on speech perception. Meeting of the Acoustical Society of America.
Alexander*, J.M., and Plotkowski2, A.R. (2014). A dual-sentence paradigm using PRESTO to assess the effects of hearing aid algorithms on cognitive processing. HEAL (HEaring Across the Lifespan) Conference, Cernobbio (Lake Como), Italy.
Wendel2*, J., Krishnan, A., and Alexander, J.M. (2014). Effects of frequency compression on the neural encoding of complex sounds in the human brainstem. Indiana Speech-Language-Hearing Association Conference.
Wendel2*, J., Krishnan, A., and Alexander, J.M. (2014). Effects of frequency compression on the neural encoding of complex sounds in the human brainstem. MidWinter Meeting of the Association for Research in Otolaryngology.
Winiger2*, A.M., Krishnan, L.A., and Alexander, J.M., Diefendorf, A. O. (2013). Minimal hearing loss: From a failure-based approach to evidence-based practice. Phonak Pediatric Conference.
Francis*, A.L., and Alexander, J.M. (2013). Effects of age and hearing impairment on perceptual weighting of acoustic cues. 5th International and Interdisciplinary Research Conference on Aging and Speech Communication.
Hariram2*, V., and Alexander, J.M. (2013). Modeling Outcomes with Frequency Lowering using Neural-Scaled Entropy. Annual Scientific and Technology Conference of the American Auditory Society.
Witte2*, A., and Alexander, J.M. (2013). The relative importance of spectral and temporal resolution for fricative identification. Annual Scientific and Technology Conference of the American Auditory Society.
Hariram2*, V., and Alexander, J.M. (2013). Modeling Outcomes with Frequency Lowering using Neural-Scaled Entropy. Indiana Speech-Language-Hearing Association Conference.
Witte2*, A., and Alexander, J.M. (2013). The relative importance of spectral and temporal resolution for fricative identification. Indiana Speech-Language-Hearing Association Conference.
Alexander, J.M. (2012). Inverse frequency compression for precipitous hearing loss. 2012 International Hearing Aid Conference.
Masterson2*, K. M., and Alexander, J.M. (2012). Factors influencing differences between fast and slow WDRC for speech recognition in noise. Indiana Speech-Language-Hearing Association Conference.
Alexander, J.M. (2012). Nonlinear frequency compression: Balancing start frequency and compression ratio. Annual Scientific and Technology Conference of the American Auditory Society.
Masterson2*, K.M., and Alexander, J.M. (2011). Factors influencing release from masking with fast vs. slow compression. Annual Scientific and Technology Conference of the American Auditory Society.
Shames2*, Y.A., and Alexander, J.M. (2011). Novel dynamic frequency lowering techniques for precipitous hearing loss. Annual Scientific and Technology Conference of the American Auditory Society.
Keefe*, D.H., Alexander, J.M., and Fitzpatrick, D.F. (2009). Speech-evoked otoacoustic emissions elicited by speech in quiet and in noise. MidWinter Meeting of the Association for Research in Otolaryngology.
Alexander*, J.M., Lewis, D.E., Kopun, J.G., McCreery, R.W., and Stelmachowicz, P.G. (2008). Effects of frequency lowering in wearable devices on fricative and affricate perception. 2008 International Hearing Aid Conference.
Stilp*, C.E., Kiefte, M., Alexander, J.M., and Kluender, K.R. (2007). Intelligibility of information in temporally desynchronized bands of speech. Meeting of the Acoustical Society of America.
Fourakis*, M.S., Alexander, J.M., Hawks, J.W., and Kluender, K.R. (2007). The effect of the outer/middle ear transfer functions on vowel identification by persons fitted with a cochlear implant. 2007 Conference on Implantable Auditory Prostheses, 131.
Stilp*, C.E., Alexander, J.M., and Kluender, K.R. (2007). Spectral coherence predicts perceptual resilience of speech to temporal distortion. Meeting of the Acoustical Society of America.
Alexander*, J.M., Kluender, K.R., and Jenison, R.L. (2007). Biologically-inspired spectral enhancement to improve speech recognition in hearing-impaired listeners. MidWinter Meeting of the Association for Research in Otolaryngology.
Alexander*, J.M., and Kluender, K.R. (2005). Contributions of gross spectral properties and duration of spectral change to perception of stop consonants. Meeting of the Acoustical Society of America.
Lutfi*, R.A., Storm, E., Alexander, J.M., and Oh, E. (2005). Psychoacoustic evaluation of a low-parameter modal model for synthesizing impact sounds. Meeting of the Acoustical Society of America.
Alexander*, J.M., and Lutfi, R.A. (2005). Factors affecting sample discrimination for frequency in hearing-impaired and normal-hearing listeners. MidWinter Meeting of the Association for Research in Otolaryngology.
Alexander*, J.M., and Lutfi, R.A. (2003). Upward spread of informational masking in normal-hearing and hearing-impaired listeners. Meeting of the Acoustical Society of America.
Alexander*, J.M., and Lutfi, R.A. (2003). Informational masking for constant SL and SPL maskers in normal-hearing and hearing-impaired listeners. MidWinter Meeting of the Association for Research in Otolaryngology.
Lutfi*, R.A., and Alexander, J.M. (2002). Informational masking without maskers. Meeting of the Acoustical Society of America.
Alexander*, J.M., and Lutfi, R.M. (2002). Sensation level and decision weights as factors affecting informational masking in hearing-impaired listeners. MidWinter Meeting of the Association for Research in Otolaryngology.
Lutfi*, R.A., Kistler, D.J., Oh, E., Callahan, M., Wightman, F. L., and Alexander, J.M. (2001). One factor underlies individual differences in informational masking. Meeting of the Acoustical Society of America.