Graphical message transmission using the monotonic vibration function of a smart phone.
Identifieur interne : 003A26 ( Ncbi/Checkpoint ); précédent : 003A25; suivant : 003A27Graphical message transmission using the monotonic vibration function of a smart phone.
Auteurs : Ray F. Lin [Taïwan] ; Allan D. Rugama [Taïwan]Source :
- Ergonomics [ 1366-5847 ] ; 2016.
Abstract
This study aimed at evaluating four vibrotactile capabilities for perceiving graphical information presented on a smart phone. Thirty-two blindfolded college students participated in four experiments to test their capabilities of two-point discrimination, relative and absolute judgments of line thickness, and recognition of basic shapes. All the information was received through the default vibration function of the phone, sensed by their scanning fingers. The results showed a good two-point discrimination accuracy rate, reaching 98.8% when the distance between two points was set at 3.2 mm; the relative judgment of line thickness reached the level of 78.3% accuracy when the two-line width difference ratio was set at 3%; the absolute judgment reached the level of 78.8% when the participants recognised line thickness from one of two. Overall, especially for the shapes judgment, the information transmitted by the various codes may be quite low. These findings should inspire advanced investigations and provide design guidelines.
DOI: 10.1080/00140139.2015.1058425
PubMed: 26099504
Affiliations:
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