Raymond T. Carhart, Ph.D.
Affiliations: | Audiology | Northwestern University, Evanston, IL |
Website:
http://en.wikipedia.org/wiki/Raymond_CarhartGoogle:
"Raymond Carhart"Bio:
Raymond Carhart (GC34, 36), the “grandfather of audiology,” was one of the department’s first two PhD graduates — in speech pathology, experimental phonetics and psychology. He may be best known for developing and refining speech audiometry, the measure of hearing ability, particularly as it pertains to the efficiency of hearing aids. This research especially assisted war veterans, and Carhart, who served seven years as captain in the Medical Administrative Corps, knew their plight well. Soon after World War II the Veterans’ Administration named the Northwestern speech clinic the first of several agencies to assist war veterans with their speech and hearing.
Publications
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| Young LL, Goodman JT, Carhart R. (1980) The intelligibility of whitened and amplitude compressed speech in a multitalker background. Journal of Speech and Hearing Research. 23: 393-404 |
| Young LL, Goodman JT, Carhart R. (1979) Effects of whitening and peak-clipping on speech intelligibility in the presence of a competing message. Audiology : Official Organ of the International Society of Audiology. 18: 72-9 |
| Olsen WO, Noffsinger D, Carhart R. (1976) Masking level differences encountered in clinical populations. International Journal of Audiology. 15: 287-301 |
| Olsen W, Carhart R. (1975) Head Diffraction Effects on Ear-Level Hearing Aids International Journal of Audiology. 14: 244-258 |
| Bode DL, Carhart R. (1975) Estimating CNC discrimination with spondee words Journal of the Acoustical Society of America. 57: 1216-1218 |
| Smiarowski RA, Carhart R. (1975) Relations among temporal resolution, forward masking, and simultaneous masking Journal of the Acoustical Society of America. 57: 1169-1174 |
| Young LL, Parker C, Carhart R. (1975) Coherence function for speech Journal of the Acoustical Society of America. 58 |
| Young LL, Parker C, Carhart R. (1975) Effectiveness of speech and noise maskers on numbers embedded in continuous discourse Journal of the Acoustical Society of America. 58 |
| Bode DL, Carhart R. (1974) Stability and accuracy of adaptive tests of speech discrimination. Journal of the Acoustical Society of America. 56: 963-970 |
| Young LL, Carhart R. (1974) Time-intensity trading functions for pure tones and a high-frequency AM signal. The Journal of the Acoustical Society of America. 56: 605-9 |