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Pilot Workload and Speech Analysis: A Preliminary Investigation.
| 题名： | Pilot Workload and Speech Analysis: A Preliminary Investigation. |
| 作者： | Begault, D. R.; Bittner, R. M.; Christopher, B. R. |
| 关键词： | Air Traffic Control; Articulation(speech); Auditory Perception; Mental Performance; Physical Work; Pilot Performance; Stress(psychology); Voice Communicationv; Workloads(psychophysiology) |
| 摘要： | Prior research has questioned the effectiveness of speech analysis to measure the stress, workload, truthfulness, or emotional state of a talker. The question remains regarding the utility of speech analysis for restricted vocabularies such as those used in aviation communications. A part-task experiment was conducted in which participants performed Air Traffic Control read-backs in different workload environments. Participant's subjective workload and the speech qualities of fundamental frequency (F0) and articulation rate were evaluated. A significant increase in subjective workload rating was found for high workload segments. F0 was found to be significantly higher during high workload while articulation rates were found to be significantly slower. No correlation was found to exist between subjective workload and F0 or articulation rate. |
| 报告类型： | 科技报告 |
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