Ringtones You Can’t Hear!
I don’t normally frequent ring-tone websites but this was a bit more interesting as it has inaudible ones.
Well not entirely inaudible, just to anyone over 30. These are mosquito ring-tones at different frequencies. i can hear up to and including 12Khz which is spot on for my age. I can’t hear any of the other higher frequencies, and that’s normal for my age (49) except for the two at 20Khz and 21Khz. I don’t hear those loud but I can just hear them. It varies from no sound to barely audible if I move my head left or right or nearer or further away but the sounds are a little like the electronic buzz you sometimes get off monitors.
Anyway they’re free and you can download them or listen to them on site as I did.
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Posted: November 7th, 2008 under science, sound.
Tags: hearing, mosquito, ringtones, sound, test
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