Scott Troyer

I found some mp3’s of sine waves at various frequencies at www.freemosquitoringtone.org. As we age, we lose our ability to hear higher frequencies and so these mp3’s are offered as discreet ringtones for teens. Try out these tones and let me know how high you can hear.

08.0khz (Everyone)
10.0khz (60 & Younger)
12.0khz (50 & Younger)
14.1khz (49 & Younger)
14.9khz (39 & Younger)
15.8khz (30 & Younger)
16.7khz (24 & Younger)
17.7khz (24 & Younger)
18.8khz (24 & Younger)
19.9khz (24 & Younger)
21.1khz (24 & Younger)
22.4khz (24 & Younger)