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• One Does Not Simply 'Mm-hmm': Exploring Backchanneling in the AAC Micro-Culture

  Tobias M Weinberg, Claire O'Connor, Ricardo E. Gonzalez Penuela, Stephanie Valencia, Thijs Roumen · 2025 · ASSETS 2025: 27th International ACM SIGACCESS Conference on Computers and Accessibility

  This paper explores how users of Augmentative and Alternative Communication (AAC) technology engage in backchanneling—the subtle verbal and non-verbal signals (like "uh-huh," nods, and facial expressions) that listeners use to show engagement, signal understanding, and maintain…

  AAC · backchanneling · non-verbal communication · micro-culture · listener feedback

• Overcoming Speech Barriers: Non-Verbal Voice Cue Interaction Technique for Enhancing Smart Voice Assistant Accessibility for Individuals with Dysarthria

  Aisha Jaddoh, Fernando Loizides, Khadijah Alreafai, Omer Rana · 2025 · ACM Transactions on Accessible Computing

  This study presents DARIA (DysARthrIA), a novel smart voice assistant interaction system that uses non-verbal voice cues instead of spoken words and sentences. The system addresses a critical accessibility gap: commercial voice assistants like Alexa and Google Home rely on…

  dysarthria · speech impairment · voice assistants · smart speakers · non-verbal interaction

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