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Acoustic user interfaces for ambient-assisted living technologies.

Stefan Goetze¹, Niko Moritz, Jens-E Appell

¹Fraunhofer Institute for Digital Media Technology, Project group Hearing, Speech and Audio Technology, Marie-Curie-Strasse 2, Oldenburg, Germany. s.goetze@idmt.fraunhofer.de

Informatics for Health & Social Care

|December 8, 2010

Summary

Acoustic user interfaces are well-accepted by older adults for controlling complex ambient-assisted living (AAL) systems and receiving information. Further research is needed to enhance automatic speech recognition (ASR) robustness for hands-free use and personalize sound presentation.

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Area of Science:

Human-Computer Interaction
Assistive Technologies
Gerontology

Background:

Ambient-Assisted Living (AAL) technologies aim to support older adults.
Complex AAL systems require intuitive user interfaces.
Acoustic user interfaces offer natural interaction methods via speech and sound.

Purpose of the Study:

To investigate the acceptance and effectiveness of acoustic user interfaces for older adults in AAL scenarios.
To develop and evaluate a user-centered acoustic interaction system for AAL.
To identify areas for improvement in acoustic interaction technologies for the elderly.

Main Methods:

User-centered design process involving older participants.
Development and evaluation of a multimedia reminder and calendar system with acoustic interaction.

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Utilizing automatic speech recognition (ASR) for speech input and acoustic event detection/classification.

Main Results:

Older users showed wide acceptance of acoustic interfaces for controlling AAL systems.
Acoustic interfaces were found to be a natural way to present information to users.
Robust ASR technologies facilitate interaction with complex AAL systems.

Conclusions:

Acoustic user interfaces are a promising approach for enhancing AAL for older adults.
Further research should focus on improving hands-free ASR robustness and personalized sound/speech presentation.
Tailoring acoustic feedback to individual hearing capabilities and preferences is crucial for optimal AAL user experience.