Curriculum Vitae Lawrence J. Revit
Master of Arts, Northwestern University - Evanston, Illinois.
- Research program in audiology and hearing impairment; (assisted Prof.
Mead C. Killion - 4 years)
- Master's thesis topic: improved repeatability of real-ear
measurements (led to published paper).
8/76 - 12/79
Bachelor of Music, University of Miami School of Music - Coral Gables,
- (cum laude honors; special service scholarship; dean's list;
Golden Key Honor Society)
- Major: music engineering technology; Minor: electrical
Advanced seminars in Hearing Aid Research:
- House Ear Institute (1990,2,4,8, 2002,4), presented posters;
- NIDCD/VA (1995);
- University of Iowa (1991,3), presented three papers;
- VA/Vanderbilt University (1990);
- Washington University (1989), invited guest.
Consultant in Audio, Audiology, and
Multinational clients; notably:
- Academic Therapy Publications
- Arizona State University
- Children's Hospital Boston
- Clarity / Plantronics, Inc.
- Clarke School for the Deaf
- Etymotic Research, Inc.
- GN ReSound
- Mayo Clinic
- Planning Systems, Inc.
- Siemens Audiologische Technik GmbH
- Sound Innovations, Inc.
- Washington University School of Medicine
- Defined a sound processor for improving speech intelligibility
over the telephone.
- Co-created and sold a "real-world simulator" sound system for
research and development of hearing devices and voice recognition
systems, and published a trade paper about it.
- Authored textbook chapters on real-ear and test-box measurements
of hearing instruments.
- Helped code a computer model of the middle ear.
- Provided digital audio engineering services for creation of
clinical hearing tests.
- Installed and custom-programmed R-SPACE sound systems
- Created custom audio programming for experimental research
- Evaluated and outfitted audio test facility according to ANSI
- Carried out microphone in-real-ear (MIRE) testing of hearing
9/88 - 9/94
- Applications Scientist - Frye Electronics, Inc. (Tigard,
OR) and Etymonic Design, Inc. (London, ON),
manufacturers of hearing and hearing-aid test equipment.
- Defined software and hardware tools for the fitting of hearing
- Created user manuals; published scholarly papers and text
chapters on measuring and fitting hearing aids.
- Directed research projects and solved special problems.
- Served professional relations through trade publications,
presentations, and customer support.
4/88 - 9/88
- Research and Development Engineer - Siemens
Hearing Instruments (Piscataway, NJ), manufacturer of hearing aids.
- Generated performance specifications for new instruments.
- Helped to develop a programmable hearing aid.
- Solved problems in testing, documentation, quality control,
marketing and research.
9/83 - 6/87
Laboratory and Teaching Assistant -
Northwestern University (Evanston, IL), program in audiology & hearing
impairment. Assistant to Mead C. Killion.
- Developed and presented lectures and labs in hearing-aid electronics,
earmolds, and hearing-aid testing; assisted in psychoacoustics
Temporary employment during career change
- Research and Development Technician - Etymotic
- Assembled, tested, and documented electroacoustics research
- Instructor and Laboratory Supervisor - Institute of
- Research Affiliate - Massachusetts Institute of
Technology, Research Laboratory of Electronics
- Reviewed ongoing psychoacoustics research;
- constructed experimental electromechanical devices;
- participated in psychoacoustics experiments.
- Recording Engineer and Studio Manager - Highlights from
- Managed concert-hall recording studio and music-school sound
services (3½ years);
- Recorded Grammy Awards runner-up big-band jazz album;
- Engineered and supervised audio crew for nationally broadcast tv
Peer reviewer for scholarly journals
- Ear and Hearing
- The International Journal of Audiology
- The American Journal of Audiology
- The Journal of the Academy of Rehabilitative Audiology
Active member of:
- ANSI working groups S3/WG48 (hearing aid specifications), S3/WG80
(real-ear measurements) and S3/WG81 (assistive listening device
specifications), S12/WG11 (evaluation of hearing protection devices)
- The American Academy of Audiology
- The American Auditory Society
- The Audio Engineering Society
- The Independent Hearing Aid Fitting Forum (IHAFF - working to
standardize fitting protocols)
- Technical Advisory Board of CATV/6 (community-access television
PUBLICATIONS and PRESENTATIONS: (partial list)
- Chasin M, Revit LJ.
Musicians and hearing aid design. Hearing Review.
- Revit LJ.
What's so special about music? Hearing Review.
- Revit LJ, Killion MC, and Conley CL, PhD.
Developing and Testing a Laboratory Sound System That Yields Accurate
Real-World Results. The Hearing Review, October 2007.
- Revit L and Killion M. Evaluating real-world hearing aid performance
in a laboratory. Podium paper; annual meeting of the American Auditory
Society, March 2006.
- Valente M, Revit L, Mispagel K. Evaluation of real-world directional
performance. Podium paper; annual convention of the American Academy of
Audiology, April, 2004.
- Revit LJ, Killion MC, and Conley CL, PhD.,
Toward accurate assessment of real-world hearing aid benefit.
The Hearing Review, August 2002.
- Revit LJ. Real-ear measures. In: M. Valente, H. Hosford-Dunn, and R.
Roeser (Eds.) Audiology; Treatment. New York, NY: Thieme,
- Revit L. The circle of decibels: relating the hearing test, to the
hearing aid, to the real-ear response. The Hearing Review,
- Revit LJ. Using earphone thresholds and real-ear measurements to
estimate aided thresholds. Presented at ASHA 1996 Annual
Convention, Seattle, WA, November 21, 1996.
- Revit LJ. Relating the hearing mechanism, the hearing aid, and the
earcanal: toward better-fitting hearing aids. Amplification symposium
presented twice: at the 20th Annual Conference of Canadian
Association of Speech Pathologists and Audiologists (CASLPA),
Ottawa, April 1995; and at the 44th Annual Convention of the
International Hearing Society, Washington, D.C., August 1995.
- Revit LJ. The loud world: several ways of handling dynamic ranges.
Presented at the 10th annual Seminars on Audition, Toronto, Ontario,
February 25, 1995.
- Revit LJ. Using coupler tests in the fitting of hearing aids. In M.
Valente (ed.), Strategies for Selecting and Verifying Hearing Aid
Fittings, New York, Thieme, 1994.
- Revit LJ. Strategies for fitting non-linear hearing aids. Three-hour
course presented to the Private Practice Audiologists of Atlantic
Canada; Halifax, Nova Scotia, September 1994.
- Revit LJ et al. Faculty member of the Jackson Hole Rendezvous,
three-day seminar on the Independent Hearing Aid Fitting Forum protocol
for fitting non-linear hearing aids; Jackson Hole, Wyoming, August,
- Revit LJ. Real-ear probe-microphone measurements revisited; a
practical tutorial on fundamental real-ear measurements. Hearing Review
- Revit LJ. Bilateral moderately-severe impairment (personal insight
observation). Hearing Instruments 45(1):10-11, 1994.
- Revit LJ. Hands-on workshop in real-ear techniques. Short course,
Wisconsin Speech-Language-Hearing Association Convention, Stevens
Point, May 1993.
- Revit LJ. Advanced techniques in real-ear measurement. Full-day
workshop, New Jersey Speech-Language-Hearing Association Convention,
Atlantic City, April 1993.
- Revit LJ. Two techniques for dealing with the occlusion effect.
Hearing Instruments 43(12):16-18, 1992.
- Killion MC and Revit LJ. CORFIG and GIFROC: real-ear to coupler and
back. In G. Studebaker and I. Hochberg (eds.), Acoustical Factors
Affecting Hearing Aid Performance, 2nd edition. Boston, Allyn and Bacon,
- Fikret-Pasa S and Revit LJ. Individualized correction factors in the
pre-selection of hearing aids. Journal of Speech and Hearing Research
- Revit LJ. 2cc-coupler prescriptions based on real-ear measurements.
Short course, California Speech-Language-Hearing Association Regional
Conference, April 1992.
- Revit LJ. New electroacoustics tests for signal-processing and
multi-channel hearing instruments. Mini-seminar, California
Speech-Language-Hearing Association Regional Conference, April
- Revit LJ. Advanced techniques in real-ear measurement. Full-day
seminar, Manhattan Eye, Ear, & Throat Hosp., March 1992.
- Revit L. FONIX ANSI S3.22 Workbook. Frye Electronics, Inc.,
Tigard, OR, 1991.
- Revit LJ and Fikret-Pasa S. Using REUR measurements to customize
prescriptions and fittings. American Speech-Language-Hearing Association
Convention, Atlanta, 1991.
- Fikret-Pasa S and Revit LJ. Individual variability in the real
ear-2cc coupler difference (RECD). American Speech-Language-Hearing
Association Convention, Atlanta, 1991.
- Revit LJ. Real-ear-unaided response (REUR) corrections in hearing aid
prescriptions: the importance of maintaining a consistent sound-field
reference. International Hearing Aid Conference, Iowa City, June
- Revit LJ. New electroacoustic tests for hearing aids having
non-linear signal processing. International Hearing Aid
Conference, Iowa City, June 1991.
- Fikret-Pasa S and Revit LJ. Real-ear-to-coupler level difference
(RECD) corrections in hearing aid prescriptions: individual variations
in occluded real-ear responses. International Hearing Aid
Conference, Iowa City, June 1991.
- Revit L. New tests for signal-processing and multichannel hearing
instruments. Hearing Journal 44(5), 1991.
- Revit LJ. Probe tube measures: issues of test signal. American
Academy of Audiology Convention, April 1991
- Revit L. A software program for calculating 2cc full-on gain and
SSPL-90 targets. Hearing Instruments, 41(4), 1990.
- Fikret-Pasa S and Revit LJ. Real-ear measurements before ordering;
for better-fitting hearing aids. Wisconsin Speech-Language-Hearing
Association Regional Conference, Madison, Wisconsin, April 1990.
- Madory RD and Revit LJ. Electroacoustic analysis of state-of-the-art
hearing aids. California Speech-Language-Hearing Association Regional
Conference, November 1989.
- Revit LJ. New uses of real-ear measurements for the selection of
customized hearing aids. XXth International Congress of
Audiology, Tenerife, October 1989.
- Killion MC and Revit LJ. Insertion gain repeatability versus
loudspeaker location: you want me to put my loudspeaker w h e r e?
Ear and Hearing 8(5)Suppl, 1987.