A critical review of hearing-aid single-microphone noise-reduction studies in adults and children

Disability and Rehabilitation. Assistive Technology
Foong Yen Chong, Lorienne M Jenstad

Abstract

Single-microphone noise reduction (SMNR) is implemented in hearing aids to suppress background noise. The purpose of this article was to provide a critical review of peer-reviewed studies in adults and children with sensorineural hearing loss who were fitted with hearing aids incorporating SMNR. Articles published between 2000 and 2016 were searched in PUBMED and EBSCO databases. Thirty-two articles were included in the final review. Most studies with adult participants showed that SMNR has no effect on speech intelligibility. Positive results were reported for acceptance of background noise, preference, and listening effort. Studies of school-aged children were consistent with the findings of adult studies. No study with infants or young children of under 5 years old was found. Recent studies on noise-reduction systems not yet available in wearable hearing aids have documented benefits of noise reduction on memory for speech processing for older adults. This evidence supports the use of SMNR for adults and school-aged children when the aim is to improve listening comfort or reduce listening effort. Future research should test SMNR with infants and children who are younger than 5 years of age. Further development, testing, and ...Continue Reading

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Citations

May 27, 2020·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Arun M RaghavanGavriel D Kohlberg
Sep 11, 2019·Disability and Rehabilitation. Assistive Technology·Magudilu Srishyla Kumar LakshmiCynthia R O'Donoghue

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