We had to check this out in my science of acoustics class. This was done with no production other than pure editing. There is no unnatural reverb, delay, compression, or EQ. Listen on monitors for the full effect
http://reddoorsound.com/Red Door Sound/Listening/2067B1A1-97C1-4ECC-8BCD-311F38509C41.html
http://reddoorsound.com/Red Door Sound/Listening/2067B1A1-97C1-4ECC-8BCD-311F38509C41.html