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.
Vowel formant frequency curve for /u/ and /i/. The bold line indicates hypothetical steeper hearing loss slope, and the thin line indicates a hypothetical shallower hearing loss. Arrow indicates location of averaged F2 for male and female talkers.
