>I would welcome information from anyone in this field about a perceptual
>phenomenon I haven't come across before.
>>I currently have a slight cold, and that wonderful 'blocked ears'
>feeling that goes with it. I now notice that my pitch perception is awry
>- listening to a telephone facility tone with my left ear gives a
>subjective tone 3 semitones lower than the right. Listening to high
>pitched voices results in in a 'pitch shifted' effect in the left ear,
>with what appears to be a slight time delay as well.
>This may not be the case but due to a potentially blocked eustachian
tube you may be experiencing nonlinear movement of your ear drum.
Fluid behind the ear drum can cause some strange things too.