Revitronix

Curriculum Vitae — Lawrence J. Revit

EDUCATION:

9/83-8/87
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, Florida.

(cum laude honors; special service scholarship; dean's list; Golden Key Honor Society)

Major: music engineering technology; Minor: electrical engineering

1989-2002
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.

PROFESSIONAL HISTORY:

Current Consultant in Audio, Audiology, and Acoustics - Braintree, VT.

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

Accomplishments

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 standards

Carried out microphone in-real-ear (MIRE) testing of hearing protection device

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 devices.

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

Developed and presented lectures and labs in hearing-aid electronics, earmolds, and hearing-aid testing; assisted in psychoacoustics laboratory.

Temporary employment during career change
7-8/84

Research and Development Technician - Etymotic Research

Assembled, tested, and documented electroacoustics research instruments.

7/80-8/81

Instructor and Laboratory Supervisor - Institute of Audio Research

Managed two electronics laboratories; presented courses in audio electronics and recording.

2-7/80

Research Affiliate - Massachusetts Institute of Technology, Research Laboratory of Electronics

Reviewed ongoing psychoacoustics research;

constructed experimental electromechanical devices;

participated in psychoacoustics experiments.

Pre-1980

Recording Engineer and Studio Manager - Highlights from previous career:

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 quiz show.

PROFESSIONAL ACTIVITIES:

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 station)

PUBLICATIONS and PRESENTATIONS: (partial list)

Chasin M, Revit LJ. Musicians and hearing aid design. Hearing Review. 2009;16(2):10.

Revit LJ. What's so special about music? Hearing Review. 2009;16(2):12-19.

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, 2000.

Revit L. The circle of decibels: relating the hearing test, to the hearing aid, to the real-ear response. The Hearing Review, November 1997.

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, 1994.

Revit LJ. Real-ear probe-microphone measurements revisited; a practical tutorial on fundamental real-ear measurements. Hearing Review 1(2):19-21, 1994.

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, 1992.

Fikret-Pasa S and Revit LJ. Individualized correction factors in the pre-selection of hearing aids. Journal of Speech and Hearing Research 35(2):384-400,1992.

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 1992.

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 1991.

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.

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