Download free mosquito ringtones, the ultrasonic ringtone also called Teen Buzz that adults can not hear. This special frequency tone is inaudible to those over the age of 30, now you can get calls and text messages in class without your teachers knowing it. The original ultrasonic ringtone high frequency hearing test. Can I hear ultrasonic ringtones? Find out just how far your ears can hear into the range of ultrasonic ringtones. Pretty much everyone should be able to hear the lowest tone (8kHz). Many people should be able to hear up to around 14.1kHz, from around 17kHz upwards we get into the.
May 26, 2006 · Teens Turn 'Repeller' into Adult-Proof Ringtone Shopkeepers in the United Kingdom have been using the ultasonic Mosquito teen repellent to . Adults usually can't hear above 12,000 Hz so this is why the teenagers use a ring tone of 13,000 Hz while in school. The teachers can't hear it. While dogs can hear high frequency sounds, BATS.
Mar 03, 2015 · Did you know that, as we age, we can no longer hear certain high-pitched noises as well as we did during our youth? There are sound frequencies that only Author: Laura Kenney. Test out your ability to hear high frequency tones with this handy online hearing test. The results should not be a substitute for the professional opinion of an ear doctor. We test the ability to hear tones in the 8khz to 18khz range. Most sounds that you hear everyday fall well below that level.