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Authors: Matthias Janke ; Michael Wand and Tanja Schultz

Affiliation: Karlsruhe Institute of Technology, Germany

Abstract: This paper reports on our latest study on speech recognition based on surface electromyography (EMG). This technology allows for Silent Speech Interfaces since EMG captures the electrical potentials of the human articulatory muscles rather than the acoustic speech signal. Therefore, our technology enables speech recognition to be applied to silently mouthed speech. Earlier experiments indicate that the EMG signal is greatly impacted by the mode of speaking. In this study we analyze and compare EMG signals from audible, whispered, and silent speech. We quantify the differences and develop a spectral mapping method to compensate for these differences. Finally, we apply the spectral mapping to the front-end of our speech recognition system and show that recognition rates on silent speech improve by up to 12.3% relative.

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Paper citation in several formats:
Janke, M.; Wand, M. and Schultz, T. (2010). A Spectral Mapping Method for EMG-based Recognition of Silent Speech. In Proceedings of the 1st International Workshop on Bio-inspired Human-Machine Interfaces and Healthcare Applications (BIOSTEC 2010) - B-Interface; ISBN 978-989-674-020-7, SciTePress, pages 22-31. DOI: 10.5220/0002814100220031

@conference{b-interface10,
author={Matthias Janke. and Michael Wand. and Tanja Schultz.},
title={A Spectral Mapping Method for EMG-based Recognition of Silent Speech},
booktitle={Proceedings of the 1st International Workshop on Bio-inspired Human-Machine Interfaces and Healthcare Applications (BIOSTEC 2010) - B-Interface},
year={2010},
pages={22-31},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002814100220031},
isbn={978-989-674-020-7},
}

TY - CONF

JO - Proceedings of the 1st International Workshop on Bio-inspired Human-Machine Interfaces and Healthcare Applications (BIOSTEC 2010) - B-Interface
TI - A Spectral Mapping Method for EMG-based Recognition of Silent Speech
SN - 978-989-674-020-7
AU - Janke, M.
AU - Wand, M.
AU - Schultz, T.
PY - 2010
SP - 22
EP - 31
DO - 10.5220/0002814100220031
PB - SciTePress

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