About this trial
This study is designed to understand how different hearing-aid noise-reduction technologies affect a listener's ability to hear speech in noisy environments. Participants will listen to speech at several background-noise levels while trying different processing settings. By comparing performance across these conditions, the study aims to identify which types of noise reduction improve speech intelligibility the most. We expect that some noise-reduction strategies will help listeners understand speech better than others, especially in more difficult listening situations.
Eligibility criteria
Qualifiers
A hearing aid candidate with mild-to-moderate cochlear hearing loss, based on audiometric profile (at least 20 dB of hearing loss at 2000 Hz, with progressively worse hearing levels at higher frequencies).
Disqualifiers
Normal hearing
Severe or profound hearing loss
Conductive hearing loss
Neural hearing loss
Trial design
Treatments tested in this trial
- Hearing Aid Noise Reduction - Off
- Hearing Aid Noise Reduction - Low
- Hearing Aid Noise Reduction - High
- Negative SNR
- Zero signal-to-noise ratio
- Positive SNR
Treatment groups
Sponsors and collaborators
Purdue University
Lead sponsor
Oticon
Collaborator