http://www.noiseaddicts.com/2009/03/can-you-hear-this-hearing-test/
I can hear the 12Khz, nothing on the next step up.
Edit: Safety tips
When you listen to this, listen to it at normal volume. If you find you cant hear it, do not turn the volume up as the sound is still very loud. There will be some variation in response because everyones setup is different and the high frequency sound at 22KHz is pushing what normal audio equipment can produce.
The point is to find when you hear the drop off in volume, not how high you can hear with 100DB pumping into your ears. I can hear 14KHz at the same volume as tones below it, 16KHz is very quiet and have to stick speakers onto 11 to hear it.
I can hear the 12Khz, nothing on the next step up.
Edit: Safety tips
When you listen to this, listen to it at normal volume. If you find you cant hear it, do not turn the volume up as the sound is still very loud. There will be some variation in response because everyones setup is different and the high frequency sound at 22KHz is pushing what normal audio equipment can produce.
The point is to find when you hear the drop off in volume, not how high you can hear with 100DB pumping into your ears. I can hear 14KHz at the same volume as tones below it, 16KHz is very quiet and have to stick speakers onto 11 to hear it.
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