Difference between cognition and perception? (Woojay Jeon )

Subject: Difference between cognition and perception?
From:    Woojay Jeon  <wjjeon(at)ECE.GATECH.EDU>
Date:    Tue, 13 Apr 2004 13:34:38 -0400

Hello,

I am wondering if anyone can clarify the exact difference between
"cognition" and "perception", at least in terms of acoustics, and also
provide some examples illustrating the difference?

Thanks,
Woojay Jeon