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Related Experiment Videos

Hearing instruments and health technology--an evaluation

A Parving1, M S Sørensen, K Carver

  • 1Department of Audiology, Bispebjerg Hospital, H:S, Copenhagen, Denmark. bbhaudap@pip.dknet.dk

Scandinavian Audiology
|January 1, 1997
PubMed
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New hearing instruments (T-HI) featuring non-linear amplification were preferred by most experienced users over their current devices. This suggests a significant shift towards advanced hearing aid technology for better audiological outcomes.

Area of Science:

  • Audiology
  • Health Technology Assessment
  • Hearing Instrument Technology

Background:

  • Experienced hearing instrument users (HI) often have specific preferences for device features.
  • Evaluating new hearing aid technologies against current devices is crucial for adoption.
  • Understanding user preference for amplification modes (linear vs. non-linear) impacts hearing rehabilitation.

Purpose of the Study:

  • To compare subject preference between a current hearing instrument (R-HI) and a new programmable multiband full-dynamic range compression behind-the-ear hearing instrument (T-HI).
  • To compare user preference for linear (L-mode) versus non-linear (C-mode) amplification within the T-HI.
  • To evaluate health technology aspects and national cost implications of adopting the T-HI.

Main Methods:

Related Experiment Videos

  • An unblinded comparative study assessed preference between R-HI and T-HI (in L-mode or C-mode).
  • A double-blind crossover study evaluated user preference between L-mode and C-mode amplification in the T-HI.
  • N=34 experienced hearing instrument users (median age 72) participated.

Main Results:

  • 94% of participants preferred the T-HI over their R-HI.
  • In the T-HI, 72% significantly preferred non-linear (C-mode) amplification over linear (L-mode).
  • 28% preferred linear (L-mode) amplification in the T-HI.

Conclusions:

  • The T-HI, particularly with non-linear amplification, is highly preferred by experienced hearing instrument users.
  • Widespread adoption of T-HI could incur significant national costs, requiring consideration in public health services.
  • Technological advancements in hearing instruments, like T-HI, offer improved user satisfaction and audiological benefits.