Table 2:
Fundamental Frequency Detection Ranges
| Minimum | Maximum | |
|---|---|---|
| Males 11 years and younger | 130 | 400 |
| Males 12–18 years of age | 70 | 400 |
| Males 19+ years | 70 | 250 |
| Females (all ages) | 130 | 400 |
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.