[The sterophonic apparatus].
D000293:Adolescent; D000328:Adult; D001299:Audiometry; D001307:Auditory Perception; D001309:Auditory Threshold; D002648:Child; D005260:Female; D006310:Hearing Aids; D006311:Hearing Disorders / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009622:Noise
L'appareillage stééophonique.