title: QUADRAVOC: an apparatus for audio recording of speech and voice.
authors.affiliation: School of Human Communication Disorders, Dalhousie University, Halifax, Nova Scotia, Canada.
authors.forename: D H
authors.initials: DH
authors.lastname: Ewert
authors.forename: W J
authors.initials: WJ
authors.lastname: Wallace
authors.forename: P C
authors.initials: PC
authors.lastname: Doyle
mesh_terms: D001296:Audiovisual Aids; D004867:Equipment Design; D006801:Humans; D013060:Speech; D014831:Voice