Relation between nasal/voice accelerometric values and interval estimates of hypernasality.
Nasal/throat accelerometric ratios were obtained from 12 hypernasal and three normal children. The accelerometric voltages comprising the ratio were analogs of nasal and anterior-neck tissue vibrations. Audio recordings, which were obtained simultaneously with the accelerometric voltages, were later judged for hypernasality using an equal-appearing-interval (EAI) scale. High correlations were evident between accelerometric and EAI values when a stimulus sentence contained obstruents, semivowels, and vowels. No correlation existed between accelerometric measures and hypernasality judgments when a sentence contained primarily nasal phonemes and vowels.
D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D009666:Nose / Q000503:physiopathology*; D010614:Pharynx / Q000503:physiopathology; D010700:Phonetics; D013018:Sound Spectrography / Q000295:instrumentation / Q000379:methods; D013064:Speech Disorders / Q000175:diagnosis / Q000503:physiopathology*; D014681:Velopharyngeal Insufficiency / Q000503:physiopathology*; D014732:Vibration; D014833:Voice Quality