Technology Advancements in Hearing Protection Circa 1995: Active Noise Reduction, Frequency/Amplitude-Sensitivity, and Uniform Attenuation

American Industrial Hygiene Association Journal

Volumn 57, Issue 3, 1996, Pages 175-185

  Casali, John G ^a   Berger, Elliott H ^b  

^a VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY   (United States)

^b EARCAL Laboratory   (United States)

Author keywords

Hearing protection

Indexed keywords

ARTICLE; HEARING IMPAIRMENT; HUMAN; INDUSTRIAL NOISE; LOW FREQUENCY NOISE; NOISE POLLUTION; NOISE REDUCTION; SIGNAL DETECTION; SOUND TRANSMISSION; SPEECH;

ACOUSTICS; AUDITORY PERCEPTION; COMMUNICATION; EAR PROTECTIVE DEVICES; ELECTRONICS; EQUIPMENT DESIGN; NOISE, OCCUPATIONAL;

EID: 0030050888     PISSN: 15298663     EISSN: None     Source Type: Journal    
DOI: 10.1080/15428119691015115     Document Type: Article

References (31)

1. "Occupational Noise Exposure." Code of Federal Regulations, Title 29, Chapter XVII, Part 1910, Subpart G, 1971.
2. "Occupational Noise Exposure; Hearing Conservation Amendment; Final Rule." Code of Federal Regulations, Title 29, Chapter XVII, Part 1910, Subpart G, 1983.
3. Casali, J.G. and M.J. Horylev: Speech discrimination in noise: The influence of hearing protection. In Proceedings of the Human Factors Society-31st Annual Meeting. Santa Monica, CA: Human Factors Society, 1987. pp. 1246-1250.
4. Howell, K. and A.M. Martin: An investigation of the effects of hearing protectors on vocal communication in noise. J. Sound Vib. 41(2):181-196 (1975).
5. Hormann, H., G. Lazarus-Mainka, M. Schubeius, and H. Lazarus: The effect of noise and the wearing of ear protectors on verbal communication. Noise Control Eng. J. 23(2):69-77 (1984).
6. U.S. Army Human Engineering Laboratory: The Effects of Hearing Protectors on Speech Communication and the Perception of Warning Signals by A.H. Suter. [AMCMS Code 611102.74A0011] Aberdeen Proving Ground, MD: U.S. Army Human Engineering Laboratory, 1989.
7. Wilkins, P. and A.M. Martin: Hearing protection and warning sounds in industry - a review. Appl. Acoustics 21:267-293 (1987).
8. Mershon, D.H. and L.J. Lin: Directional localization in high ambient noise with and without the use of hearing protectors. Ergonomics 30(8):1161-1173 (1987).
9. McMurtry, P.L. and D.H. Mershon: Auditory distance judgments in noise, with and without hearing protection. In Proceedings of the Human Factors Society - 29th Annual Meeting. Santa Monica, CA: Human Factors Society, 1985, pp. 811-813.
10. Wright-Patterson Air Force Base: Active Ear Defender Systems, Development of a Laboratory Model, Part II by W.F. Meeker. [WADC TR 57-368] Dayton, OH: Wright-Patterson Air Force Base, 1957.
11. Casali, J.G. and D.W. Gower: Communications headset augmentation via active noise cancellation: attenuation and speech intelligibility performance. In Proceedings of the 1993 Human Factors and Ergonomics Society 37th Annual Conference. Santa Monica, CA: Human Factors Society, 1993. pp. 554-558.
12. Buck, K. and R. Franke: Active noise cancellation in an car plug. Scand. Audiol. (Suppl. 4, XXI Nordic Congress of Military Medcine):159 (1990).
13. Nixon, C.W., R.L. McKinley, and J.W. Steuver. Performance of active noise reduction headsets. In Noise-Induced Hearing Loss, A.L. Dancer, D. Henderson, R.J. Salvi, and R.P. Hamernik (eds.). St. Louis, MO: Mosby Year Book, Inc., 1992. pp. 389-400.
14. Rylands, J.M.: Assessing the efficacy of active noise reduction. In Proceedings of the 23rd Annual Conference of the Human Factors Association of Canada. Ottawa, Ontario, Canada: Human Factors Association of Canada, 1990.
15. Trinder, M.C.J. and O. Jones: Active noise control at the ear. In Proceedings of NOISE-CON 87. State College, PA: June 8-10, 1987. pp. 393-399.
16. McKinley, R.L. and C.W. Nixon: "Estimated Reductions in Noise-Induced Hearing Loss by the Application of Active Noise Reduction Headsets," Paper presented at Effects of Noise on Hearing, Fifth International Symposium, Gothenberg, Sweden, 1994.
17. Berger, E.H.: Laboratory attenuation of earmuffs and earplugs both singly and in combination. Am. Ind. Hyg. Assoc. J. 44:321-329 (1983).
18. Casali J.G. and G.S. Robinson: Narrow-band digital active noise reduction in a siren-cancelling headset: real ear and acoustic manikin insertion loss. Noise Control Eng. J. 42(3): 101-115 (1994).
19. Denenberg, J.N. and D.J. Claybaugh: A selective noise canceling headset for use in emergency vehicles. Inst. Noise Control Engin./Japan J. 17(2) (1993).
20. Maxwell, D.W., C.E. Williams, R.M. Robertson, and G.B. Thomas: Performance characteristics of active hearing protection devices. Sound Vib. 21(5):14-18 (1987).
21. Berger, E.H.: Flat-response, moderate attenuation, and level-dependent HPDs: how they work and what they can do for you. Spectrum (Newsletter of the National Hearing Conservation Association) 8(Suppl. 1): 17 (1991).
22. Noble, W.G., N. Murray, and R. Waugh: The effect of various hearing protectors on sound localization in the horizontal and vertical planes. Am. Ind. Hyg. Assoc. J. 51:370-377 (1990).
23. Killion, M.: Noise of ears and microphones. J. Acoust. Soc. Am. 59(2):424-433 (1976).
24. Virginia Polytechnic Institute and State University: Preliminary Noise Attenuation Assessment of AICOMM's AIMic™: Current Fitting Device Performance and Improved Ear Couplers, by D.W. Mauney and J.G. Casali [Tech. rep. no. 9001]. Blacksburg, VA: Virginia Polytechnic Institute and State University, 1990.
25. Zwislocki, J.: Ear protectors. In Handbook of Noise Control, C.M. Harris (ed.). New York, NY: McGraw-Hill, 1957, pp. 8-1 to 8-27.
26. TNO Institute for Perception: Sound Attenuation of the Custom-Moulded Earplugs ("Elcea Otoplastieken"), by A.M. Mimpen. [TNO Report IZF-1989 C-11] Soesterberg, The Netherlands: TNO Institute tor Perception, 1989.
27. Allen, C.H. and E.H. Berger: Development of a unique passive hearing protector with level-dependent and flat attenuation characteristics. Noise Control Eng. J. 34(3):97-105 (1990).
28. British Medical Research Council: Laboratory Development of an Amplitude-Sensitive Ear Plug, by M.R. Forrest. [Tech. rep. HeS 133] London: British Medical Research Council, 1969.
29. Mosko, J.D. and J.L. Fletcher: Evaluation of the Gunfender earplug: temporary threshold shift and speech intelligibility. J. Acoust. Soc. Am. 49:1732-1733 (1971).
30. Killion, M., E. DeVilbiss, and J. Stewart: An earplug with uniform 15-dB attenuation. Hearing J. 41 (5):14-17. (1988).
31. Cabot Safety Corp.: Real-Ear Attenuation Test Results for the Etymotic Research ER-15 and ER-25 Musician's Earplugs, by E.H. Bergerand R.W. Kieper. [Report 92-34/HP] Indianapolis, IN: E-A-R Laboratory, Cabot Safety Coporation.