Horii Y, Monroe N
J Speech Hear Res. 1983 Sep;26(3):472-5. doi: 10.1044/jshr.2603.472.
A method of providing auditory and visual feedback of nasalization to hypernasal speakers using the Horii Oral-Nasal Coupling (HONC) technique is described. This noninvasive method appears promising as an evaluative as well as a rehabilitative tool in dealing with speakers with nasal resonance problems.