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| Titel: |
Speech-based cursor control using grids: modelling performance and comparisons with other solutions |
| Auteur: |
Dai, L. Goldman, R. Sears, A. Lozier, J. |
| Verschenen in: |
Behaviour & information technology |
| Paginering: | Jaargang 24 (2005) nr. 3 pagina's 219-230 |
| Jaar: |
2005-05 |
| Inhoud: |
Speech recognition can be a powerful tool for use in human - computer interaction, especially in situations where the user's hands are unavailable or otherwise engaged. Researchers have confirmed that existing mechanisms for speech-based cursor control are both slow and error prone. To address this, we evaluated two variations of a novel grid-based cursor controlled via speech recognition. One provides users with nine cursors that can be used to specify the desired location while the second, more traditional solution, provides a single cursor. Our results confirmed a speed/accuracy trade-off with a nine-cursor variant allowing for faster task completion times while the one-cursor version resulted in reduced error rates. Our solutions eliminated the effect of distance, and dramatically reduced the importance of target size as compared to previous speech-based cursor control mechanisms. The results are explored through a predictive model and comparisons with results from earlier studies. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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