1. Copyright © American Speech-Language-Hearing Association
From: Phonetic Category Structure of [I]:  Extent, Best Exemplars, and Organization
J Speech Lang Hear Res. 1997;40(6): doi: /jslhr
Legend:
Circular identification patterns with “centric” best exemplar structure. The vertical axis corresponds to changes along F2. The horizontal axis corresponds to changes along F1. The first 10 steps away from the center token are separated by 7.5 mels; the last three steps are separated by 15 mels each.
Date of download: 11/6/2017
Copyright © American Speech-Language-Hearing Association