A suggested method for measuring the attenuation of sound by flying helmets.
D000337:Aerospace Medicine; D001359:Aviation / Q000009:adverse effects* / Q000473:pathology* / Q000502:physiology*; D003638:Deafness / Q000517:prevention & control*; D004423:Ear; D006260:Head Protective Devices; D006801:Humans; D009622:Noise; D011481:Protective Clothing; D013016:Sound
AVIATION AND AVIATORS/physiologic and pathologic effects; CLOTHING/protective; DEAFNESS/prevention and control; EAR/protection; HELMETS; NOISE/protection; SOUND/protection