Further details can be found in the following article which was supported by Grant # R01 DE10436 NIH-NIDR: Kuehn DP, Imrey PB, Tomes L, Jones DL, O’Gara MM, Seaver EJ, Smith BE, Van Demark DR, Wachtel JM. Efficacy of continuous positive airway pressure for treatment of hypernasality. Cleft Palate Craniofac J 2002;39:267-276.
Normal and Hypernasal Speech
The following are three sets of speech samples for men, women, and children spanning the range in equal intervals from normal to extreme hypernasality (Reference 1 to Reference 8 in each set).


Child One


Child Two


Child Three


Child Four


Child Five


Child Six


Child Seven


Child Eight


Women One


Women Two


Women Three


Women Four


Women Five


Women Six


Women Seven


Women Eight


Men One


Men Two


Men Three


Men Four


Men Five


Men Six


Men Seven


Men Eight