What you see affects what you hear (Videos)

Understanding what a friend is saying in the hubbub of a noisy party can present a challenge - unless you can see the friend's face.

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<p><a href="http://www.physorg.com/news155372117.html">What you see affects what you hear (Videos)</a></p> <p>Understanding what a friend is saying in the hubbub of a noisy party can present a challenge - unless you can see the friend's face.</p>