Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Feature categories used for the vowel and consonant transmission analyses.
| Category # | Vow F1 | Vow F2 | Con PLC |
|---|---|---|---|
| 1 | /  , i, u / (high) |
/  , o,  , u / (back) |
/ p, b, f, v, m, w / (front) |
| 2 | / ε, e, o,  / (mid) |
/ æ, ε, e, I, i / (front) | /t, d, s, ð, t , n, l / (mid) |
| 3 | / æ,  / (low) |
/ k, g,  , r, j / (back) |
