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Module Introduction
Lesson Goals
Auditory Displays
Auditory vs. Visual
Other Display Types
Redundancy
Summary
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Auditory Display vs. Visual Displays

Auditory displays are preferable to visual displays when:

 
  • Origin of the signal is itself a sound. (automobile horn)
  • Message is simple and short. (fire alarm)
  • Message will not be referred to later. (ambulance siren)
  • Message deals with events in time. (telephone ring)
  • Message needs immediate action. (smoke detector)
  • Visual system is overburdened. (air traffic control)
  • Visual system is unavailable. (alarm clock)
  • Speech channels are fully employed, in which case auditory signal must be clearly distinguishable from speech. (help desk)
  • Illumination or dark adaptation limits use of vision. (aircraft cockpit)
  • Message receiver must move about in job performance. (power plant)
  
 
 

   

  
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