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.
B1 is the the attenuation duration below threshold t1, B2 is the attenuation duration between t1 and t2, B3 is the attenuation duration below t2.
| App | Detection Rule | Parameter Values |
|---|---|---|
| Swiss App | B1 + 0.5B2 > 15 mins | t1 = 50db, t2 = 55dB |
| German App | B1 + 0.5B2 > 10 mins | t1 = 55db, t2 = 63dB |
| Italian App | B3 > 15 mins | t2 = 73dB |
