This video is to check your Sourround System (YouTube only supports 2 Channel Stereo Sound - but the sound is amazing)
Try also the THX Surround Sound Video: http://www.youtube.com/watch?v=fLWacgcUMKw
And the DTS - HD Surround Sound Video: https://www.youtube.com/watch?v=yZBTcTFXipw
The copyright is by Dolby Digital. If they want that I delete this video, I will do it immediately!