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This paper presents TactiCall, a self-contained wristband designed to enable users with hearing difficulties to “feel” their environment. First, the unmet need for unsignaled alerts among hearing-impaired adults living alone is characterized. Next, a few-shot learning pipeline for four common household sounds is implemented on a smartphone, and the hardware and firmware design of the haptic wristband are detailed. Finally, a pilot study is reported in which hearing-intact participants identified vibration patterns with an accuracy of 96.9 percent, demonstrating TactiCall’s potential as an intuitive and easy-to-set-up assistive device.

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TactiCall: ML-Powered Haptic Wristband for Alerting Hearing-Impaired Users

  • 会议论文

  • 发表日期：

    2026年

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  • Haofei Niu,
  • Saina Akhond,
  • Hooman Samani

摘要

This paper presents TactiCall, a self-contained wristband designed to enable users with hearing difficulties to “feel” their environment. First, the unmet need for unsignaled alerts among hearing-impaired adults living alone is characterized. Next, a few-shot learning pipeline for four common household sounds is implemented on a smartphone, and the hardware and firmware design of the haptic wristband are detailed. Finally, a pilot study is reported in which hearing-intact participants identified vibration patterns with an accuracy of 96.9 percent, demonstrating TactiCall’s potential as an intuitive and easy-to-set-up assistive device.