Predicted Gain and Functional Gain With Transcranial Routing of Signal Completely-in-the-Canal Hearing Aids

Marc A. Fagelson, Colleen Noe, Owen Murnane, Jennifer S. Blevins

Research output: Contribution to journalArticlepeer-review

Abstract

Transcranial routing of signal (TCROS) was accomplished using completely-in-the-canal (CIC) hearing aids in 5 profoundly unilaterally hearing-impaired individuals. The functional gain realized by the participants far exceeded the gain predicted by measuring the acoustic output and real ear aided response of the hearing aids. The difference between predicted and functional gain increased with signal frequency and was attributed at least in part to mechanical vibration of the hearing aid in the external canal. Implications for fitting unilateral hearing loss using TCROS amplifying systems are discussed.

Original languageAmerican English
JournalAmerican Journal of Audiology
Volume12
DOIs
StatePublished - Jan 1 2004

Keywords

  • hearing aids
  • CIC hearing aids
  • completely in canal hearing aids
  • functional gain
  • predicted gain
  • transcranial routing

Disciplines

  • Communication Sciences and Disorders
  • Otorhinolaryngologic Diseases
  • Speech Pathology and Audiology

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