Real ear to 6-cm3 coupler differences in young children

D. E. Lewis, P. G. Stelmachowitz

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Real-ear sound pressure levels under supra-aural earphones were measured for a group of young children (9 months to 7 years) and adults. Pure-tone signals were presented at nine test frequencies from 250 to 6000 Hz, and real ear to 6-cm3 coupler differences were computed for each frequency. Results suggest that, by 2 years of age, average real ear to 6-cm3 coupler differences are similar for adults and children. The intersubject variability for all groups supports the need for real-ear threshold measures on an individual basis In cases where the ability to amplify the speech spectrum to a level that is audible across the frequency range is in question.

Original languageEnglish (US)
Pages (from-to)204-209
Number of pages6
JournalJournal of Speech and Hearing Research
Issue number1
StatePublished - 1993


  • 6-cm couplers
  • Probe-tube microphone measurements
  • Real-ear SPLs

ASJC Scopus subject areas

  • Otorhinolaryngology


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