Recommendations

Pascoe DP Niemoeller AF Miller JD : Hearing-aid design and evaluation for a presbycuic patient. J Acoustic Soc Am 55: 461(A), 1974.

Wiener FM Ross DA : The pressure distribution in the auditory canal in a progressive sound field. J Acoust Soc Am 18: 401–408, 1946.

Miller JD : Possible importance of head-diffraction and ear canal resonance for speech perception and hearing-aid design. J Acoust Soc Am 55: 462(A), 1974.

Davis H Stevens SS Nichols RH Jr : Hearing Aids: An Experimental Study of Design Objectives. Cambridge. Mass., Harvard Univ Press, 1947.

Committee on Electro-acoustics : Hearing aids and audiometers. London, Medical Research Council, Special Report Series No. 261, HMS Office, 1947.

Sheets BV : A comparative study of a flat frequency response pattern and high tone emphasis patterns in a commercial hearing aid. Unpublished PhD dissertation, Univ of Minnesota. Cited by Watson LA Tolan T , 1949. Hearing Tests and Hearing Instruments, Baltimore, Williams and Wilkins, 1948, p. 385.

Shore I Bilger RC Hirsh IJ : Hearing aid evaluation: Reliability of repeated measurements. J Speech Hearing Dis 25: 152–170, 1960.

Knight JJ : Redetermination of optimum characteristics for a hearing aid with insert earphone. International Audiol 6: 322–326, 1967.

Redell RC Calvert DR : Selecting a hearing aid by interpreting audiologic data. J Aud Res 6: 445–452, 1966.

Carhart R Olsen WO : Performance features and their psychological correlates. Sixth Annual Report of the Auditory Research Laboratories, Northwestern Univ, 1971, pp 10–14.

Nichols RH Jr Marquis RJ Wiklund WG : Electroacoustical characteristics of hearing aids. OSRD Report No. 4666, Section I: 1–94, 1945.

Davis H Hudgins CV Marquis RJ : The selection of hearing aids. Laryngoscope 56: 85–115, 135–163, 1946.

Green DS Ross M : The effect of a conventional versus a nonoccluding (cross-type) earmold upon the frequency response of a hearing aid. J Speech Hearing Res 11: 638–647, 1968.

Martin MC : Are frequency characteristics important? Scand Audio Suppl I: 93–98, 1971.

König E : Some technical and audiological aspects of hearing aid fitting. Scand Audio Suppl I: 72–78, 1971.

Romanow FF : Methods for measuring the performance of hearing aids. J Acoust Soc Am 13: 294–304, 1942.

Sabine PE : Acoustical amplification by hearing aids. J Acoust Soc Am 16: 38–44, 1944.

Niemoeller AF McCormick L Miller JD : On the spectrum of spoken English. J Acoust Soc Am 55: 461(A), 1974.

Ewertsen HW Ipsen JB Nielsen SS : On acoustical characteristics of the earmould. Acta Otolaryngol (Stockh) 47: 312–317, 1957.

van Eysbergen HC Groen JJ : The 2-ml coupler and the high frequency performance of hearing aids. Acustica 9: 381–386, 1959.

Briskey RJ Greenbaum WH Sinclair JC : Pitfalls in hearing aid response curves. J Audio Eng Soc 14: 317–323, 1966.

Sandberg LE Nielsen SS : Acoustic characteristics of insert-earphone versus external earphone. Acta Otolaryngol (Stockh) 64: 179–186, 1967.

Dalsgaard SC : Discussion on frequency response characteristics. Scand Audio Suppl I: 145–146, 1971.

Sachs RM Burkhard MD : Insert earphone pressure response in real ears and couplers. J Acoust Soc Am 52: 183(A), 1972.

Wansdronk C : On the influence of the diffraction of sound waves around the human head on the characteristics of hearing aids. J Acoust Soc Am 31: 1609–1612, 1959.

Temby AC : Sound diffraction in the vicinity of the human ear. Acustica 15: 219–222, 1965.

Lybarger SF Barron FE : Head-baffle effect for different hearing aid microphone locations. J Acoust Soc Am 38: 922(A), 1965.

Kasten RN Lotterman SH Hinchman MJ : Head shadow and head baffle effects in ear level hearing aids. Acustica 19: 154–160, 1967.

Lybarger SF : Earmold acustics. Audecibel 16: 9–19, 1967.

McDonald FD Studebaker GA : Earmold alteration effects as measured in the human auditory meatus. J Acoust Soc Am 48: 1366–1372, 1970.

Northern JL Hattler KW : Earmold influence on aided speech identification tasks. J Speech Hearing Res 13: 162–172, 1970.

Konkle DF Bess FH : Custom-made vs stock earmolds in hearing aid evaluations. Arch Otolaryngol 99: 140–144, 1974.

Miller JD : Personal communication, 1972.

Sivian LJ White SD : On minimum audible fields. J Acoust Soc Am 4: 288–321, 1933.

Hawkins JE Jr Stevens SS : The masking of pure tones and of speech by white noise. J Acoustic Soc Am 22: 6–13, 1950.

Palva T : Recruitment tests at low sensation levels. Laryngoscope 66: 1519–1540, 1956.

Niemoeller AF : Personal communication, 1974.

Pickett JM Martin ES Johnson D : On patterns of speech feature reception by deaf listeners, in Fant G (ed): Paper 12 in International Symposium on Speech Communication Ability and Profound Deafness. Washington DC, Alexander Graham Bell Assoc, 1970.

Spenner BF Engebretson AM Miller JD : Random-access programmable recorder of complex sounds (RAP): A digital instrument for auditory research. J Acoust Soc Am 55: 427(A), 1974.

Friedman H. Introduction to Statistics. New York, Random House, 1972.

Benson RW Hirsh IJ : Some variables in audio spectrometry. J Acoust Soc Am 25: 499–505, 1953.

Watson NA Knudsen VO : Selective amplification in hearing aids. J Acoust Soc Am 11: 406–419, 1940.

Victoreen JA : Hearing Enhancement. Springfield, Ill., CC Thomas, 1960.

Villchur E : Signal processing to improve speech intelligibility in perceptive deafness. J Acoust Soc Am 53: 1646–1657, 1973.

French NR Steinberg JC : Factors governing the intelligibility of speech sounds. J Acoust Soc Am 19: 90–119, 1947.

Miller GA : Language and Communication. New York, McGraw-Hill, 1951.

Mullins CJ Bangs JL : Relationships between speech discrimination and other audiometric data. Acta Otolaryngol (Stockh) 47: 149–157, 1957.

Kryter KD Williams C Green DM : Auditory acuity and the perception of speech. J Acoust Soc Am 34: 1217–1223, 1962.