Sound Source Localisation in Digital Hearing Aids: A Review of Critical Factors

Autores
Scaliti, Fermin; Evin, Diego Alexis; Tommasini, Fabián Carlos
Año de publicación
2025
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Sound source localisation is a fundamental ability for a listener’s functional interaction with the environment, yet it remains a significant challenge for hearing aid users. In general, they perform worse on spatial hearing tests than individuals with normal hearing. This narrative literature review examines the critical factors affecting sound source localisation when hearing aids are worn, with a focus on direction identification. We analysed peer-reviewed articles published over the past three decades to evaluate the impacts of the type of fitting, form factor, acoustic coupling, processing delay, bandwidth, directional microphones, and dynamic range compression on localisation ability. As a general conclusion, there is a consensus in the literature that binaural and open fittings, with microphones at the ear entrance and with extended bandwidth, significantly improve localisation performance. In addition, this review is intended to provide valuable information that can guide future innovations in hearing aid technology to improve users’ hearing experiences and their integration into the environment.
Fil: Scaliti, Fermin. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Transferencia en Acústica. - Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Transferencia en Acústica; Argentina
Fil: Evin, Diego Alexis. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Transferencia en Acústica. - Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Transferencia en Acústica; Argentina
Fil: Tommasini, Fabián Carlos. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Transferencia en Acústica. - Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Transferencia en Acústica; Argentina
Materia
HEARING AIDS
SOUND SOURCE LOCALISATION
BINAURAL HEARING
HEAD RELATED-TRANSFER FUNCTIONS
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/275123
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Sound Source Localisation in Digital Hearing Aids: A Review of Critical FactorsScaliti, FerminEvin, Diego AlexisTommasini, Fabián CarlosHEARING AIDSSOUND SOURCE LOCALISATIONBINAURAL HEARINGHEAD RELATED-TRANSFER FUNCTIONShttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1Sound source localisation is a fundamental ability for a listener’s functional interaction with the environment, yet it remains a significant challenge for hearing aid users. In general, they perform worse on spatial hearing tests than individuals with normal hearing. This narrative literature review examines the critical factors affecting sound source localisation when hearing aids are worn, with a focus on direction identification. We analysed peer-reviewed articles published over the past three decades to evaluate the impacts of the type of fitting, form factor, acoustic coupling, processing delay, bandwidth, directional microphones, and dynamic range compression on localisation ability. As a general conclusion, there is a consensus in the literature that binaural and open fittings, with microphones at the ear entrance and with extended bandwidth, significantly improve localisation performance. In addition, this review is intended to provide valuable information that can guide future innovations in hearing aid technology to improve users’ hearing experiences and their integration into the environment.Fil: Scaliti, Fermin. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Transferencia en Acústica. - Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Transferencia en Acústica; ArgentinaFil: Evin, Diego Alexis. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Transferencia en Acústica. - Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Transferencia en Acústica; ArgentinaFil: Tommasini, Fabián Carlos. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Transferencia en Acústica. - Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Transferencia en Acústica; ArgentinaPolish Acad Sciences Inst Fundamental Technological Research2025-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/275123Scaliti, Fermin; Evin, Diego Alexis; Tommasini, Fabián Carlos; Sound Source Localisation in Digital Hearing Aids: A Review of Critical Factors; Polish Acad Sciences Inst Fundamental Technological Research; Archives Of Acoustics; 50; 3; 9-2025; 399-4150137-5075CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://journals.pan.pl/dlibra/publication/154825/edition/136517/contentinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-12-23T13:42:10Zoai:ri.conicet.gov.ar:11336/275123instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-12-23 13:42:10.879CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Sound Source Localisation in Digital Hearing Aids: A Review of Critical Factors
title Sound Source Localisation in Digital Hearing Aids: A Review of Critical Factors
spellingShingle Sound Source Localisation in Digital Hearing Aids: A Review of Critical Factors
Scaliti, Fermin
HEARING AIDS
SOUND SOURCE LOCALISATION
BINAURAL HEARING
HEAD RELATED-TRANSFER FUNCTIONS
title_short Sound Source Localisation in Digital Hearing Aids: A Review of Critical Factors
title_full Sound Source Localisation in Digital Hearing Aids: A Review of Critical Factors
title_fullStr Sound Source Localisation in Digital Hearing Aids: A Review of Critical Factors
title_full_unstemmed Sound Source Localisation in Digital Hearing Aids: A Review of Critical Factors
title_sort Sound Source Localisation in Digital Hearing Aids: A Review of Critical Factors
dc.creator.none.fl_str_mv Scaliti, Fermin
Evin, Diego Alexis
Tommasini, Fabián Carlos
author Scaliti, Fermin
author_facet Scaliti, Fermin
Evin, Diego Alexis
Tommasini, Fabián Carlos
author_role author
author2 Evin, Diego Alexis
Tommasini, Fabián Carlos
author2_role author
author
dc.subject.none.fl_str_mv HEARING AIDS
SOUND SOURCE LOCALISATION
BINAURAL HEARING
HEAD RELATED-TRANSFER FUNCTIONS
topic HEARING AIDS
SOUND SOURCE LOCALISATION
BINAURAL HEARING
HEAD RELATED-TRANSFER FUNCTIONS
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Sound source localisation is a fundamental ability for a listener’s functional interaction with the environment, yet it remains a significant challenge for hearing aid users. In general, they perform worse on spatial hearing tests than individuals with normal hearing. This narrative literature review examines the critical factors affecting sound source localisation when hearing aids are worn, with a focus on direction identification. We analysed peer-reviewed articles published over the past three decades to evaluate the impacts of the type of fitting, form factor, acoustic coupling, processing delay, bandwidth, directional microphones, and dynamic range compression on localisation ability. As a general conclusion, there is a consensus in the literature that binaural and open fittings, with microphones at the ear entrance and with extended bandwidth, significantly improve localisation performance. In addition, this review is intended to provide valuable information that can guide future innovations in hearing aid technology to improve users’ hearing experiences and their integration into the environment.
Fil: Scaliti, Fermin. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Transferencia en Acústica. - Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Transferencia en Acústica; Argentina
Fil: Evin, Diego Alexis. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Transferencia en Acústica. - Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Transferencia en Acústica; Argentina
Fil: Tommasini, Fabián Carlos. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación y Transferencia en Acústica. - Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigación y Transferencia en Acústica; Argentina
description Sound source localisation is a fundamental ability for a listener’s functional interaction with the environment, yet it remains a significant challenge for hearing aid users. In general, they perform worse on spatial hearing tests than individuals with normal hearing. This narrative literature review examines the critical factors affecting sound source localisation when hearing aids are worn, with a focus on direction identification. We analysed peer-reviewed articles published over the past three decades to evaluate the impacts of the type of fitting, form factor, acoustic coupling, processing delay, bandwidth, directional microphones, and dynamic range compression on localisation ability. As a general conclusion, there is a consensus in the literature that binaural and open fittings, with microphones at the ear entrance and with extended bandwidth, significantly improve localisation performance. In addition, this review is intended to provide valuable information that can guide future innovations in hearing aid technology to improve users’ hearing experiences and their integration into the environment.
publishDate 2025
dc.date.none.fl_str_mv 2025-09
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/275123
Scaliti, Fermin; Evin, Diego Alexis; Tommasini, Fabián Carlos; Sound Source Localisation in Digital Hearing Aids: A Review of Critical Factors; Polish Acad Sciences Inst Fundamental Technological Research; Archives Of Acoustics; 50; 3; 9-2025; 399-415
0137-5075
CONICET Digital
CONICET
url http://hdl.handle.net/11336/275123
identifier_str_mv Scaliti, Fermin; Evin, Diego Alexis; Tommasini, Fabián Carlos; Sound Source Localisation in Digital Hearing Aids: A Review of Critical Factors; Polish Acad Sciences Inst Fundamental Technological Research; Archives Of Acoustics; 50; 3; 9-2025; 399-415
0137-5075
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://journals.pan.pl/dlibra/publication/154825/edition/136517/content
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Polish Acad Sciences Inst Fundamental Technological Research
publisher.none.fl_str_mv Polish Acad Sciences Inst Fundamental Technological Research
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 12.952241

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