Do Adolescent Hearing Aid Users Prefer Digital Noise Reduction to Be Activated? Findings From the Laboratory and Home Environments.
Erin M Picou, Kjersten Branscome, Kayleigh Pletch and 3 others
PMID 41680974WHAT IT FOUND
Adolescents preferred digital noise reduction active in the lab but not in daily life.
It did not improve speech recognition. They liked the smartphone control but rarely used it. Default activation is reasonable, but real-world benefit remains unproven.
Key findings
01Most participants preferred digital noise reduction to be active in the laboratory, but this preference did not translate to field trials where settings were not significantly different from off.
02Activating digital noise reduction did not significantly affect sentence recognition scores in noise.
03Participants liked the smartphone application for controlling noise reduction but reported they would not use it very often.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The sample size was small (15 participants), and three participants were withdrawn, which limits the generalizability of the findings. There was no experimental control over the field trial; participants may not have been in noisy environments or may not have used the smartphone application as instructed. The hearing aids were programmed to match the participants' own devices rather than a validated prescriptive target, which could affect the performance of noise reduction algorithms. Four participants could not provide field trial data due to technical difficulties or failure to follow instructions, potentially skewing the home environment results.
Declared interests
The paper does not explicitly state funding sources or conflicts of interest in the provided text, though it notes the study was part of a larger preregistered protocol and conducted at Vanderbilt University Medical Center.
The easy way to misread this
Do not assume digital noise reduction improves speech understanding for adolescents. The study found no significant difference in sentence recognition scores between active and inactive settings, so the benefit is limited to subjective comfort.
Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →