Effect of loudspeaker position on differences between earphone and free-field thresholds (MAP and MAF).
D000161:Acoustic Stimulation / Q000379:methods; D000328:Adult; D001299:Audiometry / Q000295:instrumentation / Q000379:methods*; D001309:Auditory Threshold; D004192:Discrimination, Psychological; D004424:Ear Canal / Q000502:physiology; D005260:Female; D006801:Humans; D008297:Male; D013060:Speech; D013637:Tape Recording; D014432:Tympanic Membrane / Q000502:physiology