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Does the acceptable noise level (ANL) predict hearing-aid use?
Steen Østergaard Olsen1, K Jonas Brännström
1* Research Laboratory, Department of Otorhinolaryngology, Head and Neck Surgery, Copenhagen University Hospital , Rigshospitalet , Denmark.
International Journal of Audiology
|November 14, 2013
Summary
The acceptable noise level (ANL) may indicate how people tolerate noise with speech, but its ability to predict hearing aid use is unproven. Current methods lack precision for reliable ANL measurement.
Area of Science:
- Audiology
- Psychoacoustics
Background:
- Individual noise tolerance in speech varies, influencing hearing aid (HA) use.
- Acceptable Noise Level (ANL) proposed to measure this property and predict HA usage patterns.
Purpose of the Study:
- Evaluate the predictive power of ANL for hearing aid use.
- Identify methods for obtaining more reliable ANL measurements.
Main Methods:
- Systematic literature review of ANL research using Medline, Embase, and Google Scholar.
- Inclusion of peer-reviewed journals, trade publications, and conference presentations.
Main Results:
- Evidence suggests inherent noise acceptance exists, but precise ANL measurement methods are lacking.
- The ANL model's validity in predicting hearing aid use remains unproven.
Conclusions:
- While noise acceptance may be inherent, current ANL measurement techniques are not precise.
- The ANL model requires further validation to confirm its predictive capability for hearing aid use.
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