Probe-tube microphone measures of ear-canal sound pressure levels in infants and children

Judith A. Feigin, Judy G. Kopun, P. G. Stelmachowicz, Michael P. Gorga

Research output: Contribution to journalArticle

70 Scopus citations

Abstract

Probe-tube microphone measures of ear-canal sound-pressure levels were obtained for 31 children under 5 years of age. These data were compared to similar measures from a group of 21 adults. The intrasubject variability was smallest for the frequency range from 750 to 3000 Hz and at no frequency did the mean standard deviation exceed 3 dB. Real ear to coupler differences for the children showed the same pattern as a function of frequency as for adults but were significantly larger. A systematic decrease in real ear to coupler differences was observed with increasing age between 1000 and 3000 Hz. An estimate of ear-canal volume did not appear to be a clinically useful predictor of real ear to coupler differences.

Original languageEnglish (US)
Pages (from-to)254-258
Number of pages5
JournalEar and hearing
Volume10
Issue number4
DOIs
StatePublished - Aug 1989

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Speech and Hearing

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