Why does my music appear to very slightly rise in pitch when I switch from computer speakers to computer headphones (cheap foam, mic boom integrated)?
Might this be due to a pressure change on my eardrum as another poster noticed when he yawns?
Maybe my headphones actually change the frequency of the output? I can't picture how that would work...
Maybe I'm perceiving the doppler shift as I move the speaker toward my ear, and I'm distracted from the reverse shift by the mechanics of putting the earphones in place?