research-article

SilentSpeller: Towards mobile, hands-free, silent speech text entry using electropalatography

Authors:

Tan Gemicioglu,

Jonathan Womack,

Abdelkareem Bedri,

Thad StarnerAuthors Info & Claims

CHI '22: Proceedings of the 2022 CHI Conference on Human Factors in Computing Systems

Article No.: 288, Pages 1 - 19

https://doi.org/10.1145/3491102.3502015

Published: 29 April 2022 Publication History

Abstract

Speech is inappropriate in many situations, limiting when voice control can be used. Most unvoiced speech text entry systems can not be used while on-the-go due to movement artifacts. Using a dental retainer with capacitive touch sensors, SilentSpeller tracks tongue movement, enabling users to type by spelling words without voicing. SilentSpeller achieves an average 97% character accuracy in offline isolated word testing on a 1164-word dictionary. Walking has little effect on accuracy; average offline character accuracy was roughly equivalent on 107 phrases entered while walking (97.5%) or seated (96.5%). To demonstrate extensibility, the system was tested on 100 unseen words, leading to an average 94% accuracy. Live text entry speeds for seven participants averaged 37 words per minute at 87% accuracy. Comparing silent spelling to current practice suggests that SilentSpeller may be a viable alternative for silent mobile text entry.

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Cited By

Pandey LArif A(2024)MELDER: The Design and Evaluation of a Real-time Silent Speech Recognizer for Mobile DevicesProceedings of the CHI Conference on Human Factors in Computing Systems10.1145/3613904.3642348(1-23)Online publication date: 11-May-2024
https://dl.acm.org/doi/10.1145/3613904.3642348
Dong XChen YNishiyama YSezaki KWang YChristofferson KMariakakis A(2024)ReHEarSSE: Recognizing Hidden-in-the-Ear Silently Spelled ExpressionsProceedings of the CHI Conference on Human Factors in Computing Systems10.1145/3613904.3642095(1-16)Online publication date: 11-May-2024
https://dl.acm.org/doi/10.1145/3613904.3642095
Lai YSun MLi Z(2024)GazePuffer: Hands-Free Input Method Leveraging Puff Cheeks for VR2024 IEEE Conference Virtual Reality and 3D User Interfaces (VR)10.1109/VR58804.2024.00055(331-341)Online publication date: 16-Mar-2024
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Index Terms

SilentSpeller: Towards mobile, hands-free, silent speech text entry using electropalatography
1. Human-centered computing
  1. Human computer interaction (HCI)
    1. Interaction devices

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cover image ACM Conferences

CHI '22: Proceedings of the 2022 CHI Conference on Human Factors in Computing Systems

April 2022

10459 pages

ISBN:9781450391573

DOI:10.1145/3491102

Editors:
Simone Barbosa
PUC-Rio, Brazil
,
Cliff Lampe
University of Michigan, USA
,
Caroline Appert
Université Paris-Saclay, France
,
David A. Shamma
Toyota Research Institute, USA
,
Steven Drucker
Microsoft Research, USA
,
Julie Williamson
University of Glasgow, UK
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Koji Yatani
University of Tokyo, Japan

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Published: 29 April 2022

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Cited By

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https://dl.acm.org/doi/10.1145/3613904.3642348
Dong XChen YNishiyama YSezaki KWang YChristofferson KMariakakis A(2024)ReHEarSSE: Recognizing Hidden-in-the-Ear Silently Spelled ExpressionsProceedings of the CHI Conference on Human Factors in Computing Systems10.1145/3613904.3642095(1-16)Online publication date: 11-May-2024
https://dl.acm.org/doi/10.1145/3613904.3642095
Lai YSun MLi Z(2024)GazePuffer: Hands-Free Input Method Leveraging Puff Cheeks for VR2024 IEEE Conference Virtual Reality and 3D User Interfaces (VR)10.1109/VR58804.2024.00055(331-341)Online publication date: 16-Mar-2024
https://doi.org/10.1109/VR58804.2024.00055
Wu JWang ZWang LDuan YLi J(2024)FanPad: A Fan Layout Touchpad Keyboard for Text Entry in VR2024 IEEE Conference Virtual Reality and 3D User Interfaces (VR)10.1109/VR58804.2024.00045(222-232)Online publication date: 16-Mar-2024
https://doi.org/10.1109/VR58804.2024.00045
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