Room Acoustics with Anthony Grimani

I found this video to be an excellent primer on room acoustics and the damaging effects the room can have on audio fidelity. It is a long video, but incredibly informative :

http://www.youtube.com/watch?v=raAyF5ksbkk#t=592

Here is another video (1:12 minutes but a must-watch)  :

http://www.youtube.com/watch?v=i_DQWB0mAOo

Enjoy.  ;D