title: Earplug-type earphone with built-in microphone improves monosyllable intelligibility in noisy environments.
authors.affiliation: Department of Health Policy and Management, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan. t-nakao@med.uoeh-u.ac.jp
authors.forename: Tomo
authors.initials: T
authors.lastname: Nakao
authors.forename: Seichi
authors.initials: S
authors.lastname: Horie
authors.forename: Takao
authors.initials: T
authors.lastname: Tsutsui
authors.forename: Shoko
authors.initials: S
authors.lastname: Kawanami
authors.forename: Naoko
authors.initials: N
authors.lastname: Sasaki
authors.forename: Jinro
authors.initials: J
authors.lastname: Inoue
mesh_terms: D000293:Adolescent; D000328:Adult; D001300:Audiometry, Evoked Response; D001302:Audiometry, Speech / Q000295:instrumentation; D004430:Ear Protective Devices; D004867:Equipment Design; D005260:Female; D006801:Humans; D008297:Male; D009623:Noise, Occupational / Q000517:prevention & control*; D013067:Speech Perception; D013685:Telecommunications / Q000295:instrumentation*