The following video has been embedded from the new and improved acoustic section in the Ecophon Homepage
http://www.ecophon.com/Flowplayer/flowplayer-3.2.5.swf
Problems seeing the video? try this link instead.
Acoustic Bulletin
Room acoustics blog
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Ecophon develops, manufactures and markets acoustic panels, baffles and ceiling systems that contribute to a good working environment by enhancing peoples’ wellbeing and performance. Our promise »A sound effect on people« is the core backbone of everything we do.