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Clinical trial of a digital hearing aid
Linköping University, Department of Neuroscience and Locomotion, Technical Audiology. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Neuroscience and Locomotion, Technical Audiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Otorhinolaryngology in Linköping.
Linköping University, Department of Neuroscience and Locomotion, Technical Audiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Otorhinolaryngology in Linköping.ORCID iD: 0000-0001-8743-1636
Linköping University, Department of Neuroscience and Locomotion, Technical Audiology. Linköping University, Faculty of Health Sciences.
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1998 (English)In: Scandinavian Audiology, ISSN 0105-0397, E-ISSN 1940-2872, Vol. 27, no 1, p. 51-61Article in journal (Refereed) Published
Abstract [en]

A clinical trial of Oticon DigiFocus hearing aid was performed. The test aid was evaluated on 33 subjects with several years' experience as users of modern analog hearing aids. These aids were used as reference for the 1-month-long trial. The Abbreviated Profile of Hearing Aid Benefit (APHAB) showed a mean difference in benefit with superior ratings for the test aid concerning ease of communication, speech in reverberation and speech in background noise. The subjects' own aids were rated somewhat better concerning aversiveness of sounds, but this difference was not statistically significant. The Gothenburg Profile showed a statistically significant difference between the test aid and the reference aids in favour of the test aid. The difference was not most evident with regard to speech communication and the effects of hearing loss on social interactions. Sound quality ratings concerning clearness were significantly higher for the test aid. Speech recognition thresholds in noise were on average 0.7 dB better for the test aids when tested at speech levels 60 and 75 dB. The difference was statistically significant only at 75 dB. There was significant interaction between general preference and hearing aid type, indicating that overall sound quality was an important factor affecting the general preference for either the test aid or the reference aid. Twenty-three subjects generally preferred the test aid, six preferred their own aid and four stated no difference.

Place, publisher, year, edition, pages
Taylor & Francis, 1998. Vol. 27, no 1, p. 51-61
Keywords [en]
Hearing aid, digital signal processing, clinical trial, hearing aid benefit, speech recognitio
National Category
Medical Engineering
Identifiers
URN: urn:nbn:se:liu:diva-156618DOI: 10.1080/010503998419704ISI: 000071975600007PubMedID: 9505292Scopus ID: 2-s2.0-0031931465OAI: oai:DiVA.org:liu-156618DiVA, id: diva2:1307881
Available from: 2019-04-29 Created: 2019-04-29 Last updated: 2019-05-06Bibliographically approved

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Arlinger, StigBillermark, EricaÖberg, MarieLunner, ThomasHellgren, Johan

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Arlinger, StigBillermark, EricaÖberg, MarieLunner, ThomasHellgren, Johan
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Technical AudiologyFaculty of Health SciencesDepartment of Otorhinolaryngology in Linköping
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Scandinavian Audiology
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