Prescribed real-ear and achieved real-life differences in children's hearing aids adjusted according to the NAL-NL1 and the DSL v.4.1 prescriptions

International Journal of Audiology

Volumn 49, Issue SUPPL. 1, 2010, Pages

  Ching, Teresa Y C ^a,b   Scollie, Susan D ^c   Dillon, Harvey ^a,b   Seewald, Richard ^c   Britton, Louise ^d   Steinberg, Jane ^e  

^a NATIONAL ACOUSTIC LABORATORIES   (Australia)

^b School of Earth and Environmental Sciences   (Australia)

^c UNIVERSITY OF WESTERN ONTARIO   (Canada)

^d Royal Institute for Deaf and Blind Children   (Australia)

^e Dynamic Hearing Inc   (Australia)

Author keywords

Children; Coupler gain; Frequency response; Gain; Hearing aid prescriptions; Maximum output; Real ear difference; Real ear to coupler difference

Indexed keywords

ACOUSTICS; ADOLESCENT; ADULT; ARTICLE; AUDITORY THRESHOLD; AUSTRALIA; CANADA; CHILD; COMPARATIVE STUDY; HEARING AID; HEARING LOSS; HUMAN; METHODOLOGY; PRESCRIPTION; PROSTHESIS; PSYCHOLOGICAL ASPECT;

ACOUSTICS; ADOLESCENT; AUDITORY THRESHOLD; AUSTRALIA; CANADA; CHILD; HEARING AIDS; HEARING LOSS; HUMANS; PRESCRIPTIONS; PROSTHESIS FITTING; YOUNG ADULT;

EID: 76449106603     PISSN: 14992027     EISSN: 17088186     Source Type: Journal    
DOI: 10.3109/14992020903082096     Document Type: Article

References (26)

1. Bagatto M., Moodie S.T., Scollie S., Seewald R., Moodie K.S. et al. 2005. Clinical protocols for hearing instrument fitting in the desired sensation level method. Trends Amplif, 9, 199-226.
2. Byrne D., Dillon H., Ching T., Katsch R. & Keidser G. 2001. NAL-NL1 procedure for fitting nonlinear hearing aids: Characteristics and comparisons with other procedures. J Am Acad Audiol, 12, 37-51.
3. Chan J.C. & Geisler C.D. 1990. Estimation of eardrum acoustic pressure and of ear canal length from remote points in the canal. J Acoust Soc Am, 87, 1237-1247.
4. Ching T.Y.C. & Britton L. 2008. Repeatability of real-ear-to-coupler differences measured by an acoustic method for determining probe tube insertion depth. Aus NZ J Audiol, 30(2), 91-98.
5. Ching T.Y.C., Britton L., Dillon H. & Agung K. 2002. RECD, REAG, NALNL1: Accurate and practical methods for fitting non-linear hearing aids to infants and children. Hear Rev, 9(8), 12-20, 52.
6. Ching T.Y.C. & Dillon H. 2003. Prescribing amplification for children: Adultequivalent hearing loss, real-ear aided gain, and NAL-NL1. Trends Amplif, 7(1), 1-9.
7. Ching T.Y.C., Dillon H., Katsch R. & Byrne D. 2001. Maximizing effective audibility in hearing aid fitting. Ear Hear, 22(3), 212-224.
8. Ching T.Y.C., Scollie S.D., Dillon H. & Seewald R. (2010). A crossover, double-blind comparison of the NAL-NL1 and the DSL v4.1 prescrip tions for children with mild to moderately severe hearing loss. Int J Audiol, 49, S4-S15.
9. Cornelisse L.E., Seewald R.C. & Jamieson D.G. 1995. The input/output (i/o) formula: A theoretical approach to the fitting of personal amplification devices. J Acoust Soc Am, 97, 1854-1864.
10. Dillon H. 1999. NAL-NL1: A new procedure for fitting non-linear hearing aids. Hear J, 52, 10-16.
11. Dillon H. 2001. Hearing Aids. New York: Thieme.
12. Dirks D.D. & Kincaid G.E. 1987. Basic acoustic considerations of ear canal probe measurements. Ear Hear, 8, 60S-67S.
13. Erber N.P. & Witt L.H. 1977. Effects of stimulus intensity on speech perception by deaf children. J Speech Hear Disord, 42, 271-277.
14. Gengel R.W., Pascoe D. & Shore I. 1971. A frequency-response procedure for evaluating and selecting hearing aids for severely hearing impaired children. J Speech Hear Disord, 36, 341-353.
15. Kamm C., Dirks D.D. & Mickey M.R. 1978. Effect of sensorineural hearing loss on loudness discomfort level and most comfortable level judgements. J Speech Hear Disord, 21, 668-681.
16. Macrae J. 1986. Relationships between the hearing threshold levels, aided threshold levels and aided speech discrimination of severely and profoundly deaf children. NAL Report No. 107.
17. Moodie K.S., Seewald R.C. & Sinclair S.T. 1994. Procedure for predicting realear hearing aid performance in young children. Am J Audiol, 3, 23-41.
18. Pascoe D.P. 1978. An approach to hearing aid selection. Hear Instr, 29, 12- 16, 36.
19. Seewald R.C., Moodie S.T. & Scollie S.D. 2005. The DSL method for pediatric hearing instrument fitting: Historical perspective and current issues. Trends Amplif, 9(4).
20. Seewald R.C., Cornelisse L.E., Ramji K.V. et al. 1997. DSL v4.1 for Windows: A software implementation of the desired sensation level (DSL[i/o]) method for fitting linear gain and wide-dynamic-range compression hearing instruments. Users' manual. London, Ontario: Hearing Health Care Research Unit.
21. Sinclair S.T., Beauchaine K.L., Moodie K.S., Feigin J.A., Seewald R.C. et al. 1996. Repeatability of a real-ear-to-coupler difference measurement as a function of age. Am J Audiol, 5, 52-56.
22. Smith L.Z. & Boothroyd A. 1989. Performance intensity function and speech perception in hearing impaired children. Presented at Annual Convention of the American Speech-Language-Hearing Association. St Louis.
23. Storey L. & Dillon D. 2001. Estimating the location of probe microphones relative to tympanic membrane. J Am Acad Audiol, 12, 150-154.
24. Sullivan R. 1988. Probe tube microphone placement near the tympanic membrane. Hear Instrum, 39(7), 43-44, 60.
25. Tharpe A.M., Sladen D., Huta H.M. & Rothpletz A.M. 2001. Practical considerations of real-ear-to-coupler difference measures in infants. Am J Audiol, 10, 1-9.
26. Zemplenyi J., Dirks D.D. & Gilman S. 1985. Probe-determined hearing-aid gain compared to functional and other coupler gains. J Speech Hear Res, 28, 394-404.