![](http://www.noiseaddicts.com/wp-content/uploads/2011/06/creative_labs_sound_card-300x225.jpg)
Male, 31, 19kHz. I did a similar test in 2005 (age 25), and the result then was 20kHz, and 21kHz I could feel or sense, but not hear. This could be an effect of interpolation, as at higher frequencies integrated sound cards from laptops and pc’s are less accurate, and interpolation noise may be heard instead of the actual frequencies! Interpolation noise can best be described as sympathetic frequencies.
Say for instance a D10 is about the limit of most people’s hearing, at ~18.800Hz,
Going to an E10 (which is about ~21.100 ...