Fig. 8.
Red lines indicate error from expected angle. Centre black line is the perfect angle (no error). Left and right black lines mark
and
from the microphone array (no error).
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.