原文传递
Effects of a Production Level “Voice-Command” Interface on Driver Behavior: Reported Workload, Physiology, Visual Attention, and Driving Performance. Technical Report.
| 题名： | Effects of a Production Level “Voice-Command” Interface on Driver Behavior: Reported Workload, Physiology, Visual Attention, and Driving Performance. Technical Report. |
| 作者： | Reimer, B.; Mehler, B.; Dobres, J.; Coughlin, J. F. |
| 关键词： | Driving performance##Voice interfaces##On-road observations##Driver behavior##Voice commands##Workloads##Physiological arousal##Visual attention##Participants##Verbal response##Voice systems##Voice interaction##In-vehicle voice-command system## |
| 摘要： | This report details the rational, methods, and of an on-road study assessing perceived workload, physiological arousal, visual attention, and basic driving performance metrics while drivers engaged in a number of tasks with a production version, in-vehicle voice-command system. The same metrics were also evaluated while participants carried out an implementation of the manual radio tuning reference task (Driver Focus-Telematics Working Group, 2006) and three levels of an audio-presentation / verbal response delayed digit recall task (n-back) that is known to produce graded levels of cognitive demand. Extensive training on all tasks was provided prior to assessment under highway driving conditions. Results for an analysis sample of 60 drivers equally distributed across both genders and two age groups (20-29 and 60-69) are presented. Depending on the task assessed and measure evaluated, both positive features and concerns associated with the use of the voice interface were identified. Physiological arousal during the voice tasks was comparable or lower than that observed during the more difficult level of manual radio tuning task as measured by skin conductance and heart rate, respectively. Perhaps most notable was the identification of a high level of visual demand / engagement during selected tasks such as the use of the voice-command interface for entering addresses into the navigation system. It also appeared that different age / gender groupings tended to interact with the voice system in different ways. |
| 总页数： | 152 |
| 报告类型： | 科技报告 |
相关文献
- Effects of a Production Level “Voice-Command” Interface on Driver Behavior: Reported Workload, Physiology, Visual Attention, and Driving Performance. Appendices for Technical Report.
- Effects of a Production Level “Voice-Command” Interface on Driver Behavior: Summary Findings on Reported Workload, Physiology, Visual Attention, and Driving Performance. White Paper.
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