Typing Haptically: Towards Enabling Non-auditory Smartphone Text Entry with Haptic Feedback for B...
summary
TypeHap maps letters to short, memorable vibrations delivered by two piezo actuators in an attachable USB module and a distinct tactile overlay for the middle QWERTY row, using phoneme-based haptic cues to encode place and quality of articulation. Designers run formative interviews (N=20), then train BLV participants (N=11) over four days; after ~150 minutes of practice participants reach text‑entry speeds and uncorrected error rates comparable to conventional audio feedback.
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chapters (8)
- 0:00Introduction and motivation
- 1:58Design requirements for haptic feedback
- 3:20Haptic feedback design details
- 7:10Hardware implementation
- 7:53User study overview
- 9:20Performance comparison results
- 10:22Conclusion and prototype demo
- 10:43Q&A session
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