Copyright © American Speech-Language-Hearing Association From: Acoustic Interpretation of the Voice Range Profile (Phonetogram) J Speech Hear Res. 1992;35(1):21-34. doi:10.1044/jshr.3501.21 Legend: (a) Female VRP for an la/ vowel as produced by the model. Data circles correspond to averaged values for 10 females by Gramming (1988). (b) Range of lung pressure versus Fo from which the model was computed. Stipples represent 0.05‐kPa Increments In lung pressure. Date of download: 10/21/2017 Copyright © American Speech-Language-Hearing Association