FIGURE 1.
Example of a dialog with accurate turn-taking (within 250 ms) indicated by the gray bar and backchannel (bc) indicated by the dotted lines.
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.