Improving Speech Intelligibility by Hearing Aid Eye-Gaze Steering: Conditions With Head Fixated in a Multitalker Environment
Autor: | Renskje K. Hietkamp, Torsten Dau, Antoine Favre-Félix, Thomas Lunner, Carina Graversen |
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Jazyk: | angličtina |
Rok vydání: | 2018 |
Předmět: |
Hearing aid
medicine.medical_specialty Head (linguistics) medicine.medical_treatment media_common.quotation_subject ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION Oto-rino-laryngologi Sound perception Audiology eye tracking electrooculography hearing device sound perception 03 medical and health sciences Speech and Hearing InformationSystems_MODELSANDPRINCIPLES 0302 clinical medicine SDG 3 - Good Health and Well-being medicine Conversation 030223 otorhinolaryngology Sound (geography) media_common Eye tracking geography geography.geographical_feature_category medicine.diagnostic_test Electrooculography lcsh:Otorhinolaryngology ISAAR Special Issue lcsh:RF1-547 Otorhinolaryngology Hearing device Original Article Psychology 030217 neurology & neurosurgery |
Zdroj: | Trends in Hearing Favre-Félix, A, Graversen, C, Hietkamp, R K, Dau, T & Lunner, T 2018, ' Improving Speech Intelligibility by Hearing Aid Eye-Gaze Steering: Conditions With Head Fixated in a Multitalker Environment ', Trends in Hearing, vol. 22, pp. 1-13 . https://doi.org/10.1177/2331216518814388 Trends in Hearing, Vol 22 (2018) |
ISSN: | 2331-2165 |
DOI: | 10.1177/2331216518814388 |
Popis: | The behavior of a person during a conversation typically involves both auditory and visual attention. Visual attention implies that the person directs his or her eye gaze toward the sound target of interest, and hence, detection of the gaze may provide a steering signal for future hearing aids. The steering could utilize a beamformer or the selection of a specific audio stream from a set of remote microphones. Previous studies have shown that eye gaze can be measured through electrooculography (EOG). To explore the precision and real-time feasibility of the methodology, seven hearing-impaired persons were tested, seated with their head fixed in front of three targets positioned at -30 degrees, 0 degrees, and +30 degrees azimuth. Each target presented speech from the Danish DAT material, which was available for direct input to the hearing aid using head-related transfer functions. Speech intelligibility was measured in three conditions: a reference condition without any steering, a condition where eye gaze was estimated from EOG measures to select the desired audio stream, and an ideal condition with steering based on an eye-tracking camera. The "EOG-steering" improved the sentence correct score compared with the "no-steering" condition, although the performance was still significantly lower than the ideal condition with the eye-tracking camera. In conclusion, eye-gaze steering increases speech intelligibility, although real-time EOG-steering still requires improvements of the signal processing before it is feasible for implementation in a hearing aid. Funding Agencies|EU Horizon 2020 Grant [644732] |
Databáze: | OpenAIRE |
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