HUMAN AUDITORY RESPONSE TO AN AIR BAG INFLATION NOISE

THIS REPORT DESCRIBES EXPERIMENTS CONDUCTED TO DETERMINE WHETHER THE LOUD IMPULSIVE NOISE OCCURRING DURING INFLATION, WITH HYDROGEN AT 3,500 LB. /SQUARE INCH OF THE STEERING-UNIT AND PASSENGER-SIDE CUSHIONS IN AN AIR-BAG SAFETY-SYSTEM IS AN ACOUSTIC HAZARD. FINDINGS INCLUDE: THE NOISE CAUSED NO DAMAGE TO THE EAR-DRUM MEMBRANES; TEMPORARY THRESHOLD SHIFT, EXPERIENCED BY ABOUT 35% OF THE EARS TESTED, VARIED WIDELY-FROM 45 DB, TO ZERO FOR THE SAME EXPOSURE; NO DISCOMFORT OR AURAL PAIN WAS FELT; NO SUBJECT WAS UNABLE TO COMMUNICATE VERBALLY OR PERCEIVE AUDITORY SIGNALS IMMEDIATELY AFTER EXPOSURE TO THE NOISE. /AUTHOR/

  • Supplemental Notes:
    • 42 pp
  • Corporate Authors:

    Aerospace Medical Research Laboratory

    Wright-Patterson Air Force Base
    Dayton, OH  USA  45433
  • Authors:
    • Nixon, C W
  • Publication Date: 1969-3

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Filing Info

  • Accession Number: 00239972
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Aug 3 2003 12:00AM