The most common frequency however, around which many scientific studies have been conducted, is in the area of approximately 1.6 MHz, which translates to 96,000,000 waves or 192,000,000 movements per minute.
Glasovno področje tipičnega odraslega moškega ima osnovno frekvenco med 85 in 180 Hz (10.200 do 21.000 gibov na minuto), glasovno področje tipične odrasle ženske med 165 in 255 Hz (19.800 do 30.600 gibov na minuto).