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.
Asterisks indicate the syllables type 2. Spectrograms were generated in Praat using a Gaussian window shape, window length = 0.03 s, number of time steps = 1000, number of frequency steps = 250, dynamic range = 50 dB.
