Have you considered a microphone-based solution that analyses fatigue levels from voice in near-real time as a solution as an extension or a
Voice changes caused by increased fatigue can be detected with commercial vocal biomarker technologies. A transportation operator monitoring system built using this technology could help detect fatigue and reduce fatigue-related accidents.
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Jim Harper
shared this idea
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Donald Tweedie
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FRA Human Factors Division has not considered a microphone as participants would need to speak to collect the data. That does not mean we would never consider microphones as a viable co-measurement. FRA Human Factors Division is currently interested in a camera-based solution for data collection.