Basic study on the measuring of fatigue by the minimum audible pressure

Article Abstract:

The minimum audible level is a viable indicator of fatigue measurement. Study shows that hearing acuity at 1000 Hz when threshold variance is minimized is an acceptable measure of hearing fatigue. The measurement of over-all fatigue is the net effect of visual and hearing fatigue. Test work loads of entering two-digit numerals resulted in the detection of the debilatory effects of hearing fatigue when the work load is at maximum levels.

Health aspects, Measurement, Fatigue, Visual perception, Video monitors

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Audibility of reverse alarms under hearing protectors for normal and hearing-impaired listeners

Article Abstract:

The capability of an individual with a hearing loss hearing an auditory warning is an occupational safety issue. The ISO Standard requires that auditory alarms be heard by all individuals in the workplace including those who have lost their hearing or those wearing hearing protection devices. A study examines how the ability to detect an alarm changed for those with normal auditory senses.

Occupational health and safety, Occupational safety and health, Hearing, Hearing loss

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Directional guidance from audible pedestrian signals for street crossing

Article Abstract:

Three experiments were done with blind and blindfolded sighted adults who crossed a simulated crossing with recorded traffic noise to simulate street sounds. This was done to investigate how the characteristics of auditory signal presentation affected crossing behavior.

Other Communications Equipment Manufacturing, Management dynamics, Communications equipment, not elsewhere classified, Sign Manufacturing, Signs and advertising specialities, Traffic Signals, Road Signs & Markers, Management, Usage, Company business management, Traffic signs and signals, Road signs

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