Apparently there is an extended version of the trailer for Resident Evil Revelations. IGN has written an article to describe the new trailer which you can find at the link below.
TGS: Resident Evil - Deadly Revelations
The video for Biohazard Revelations stage show at TGS2011 has been uploaded by Capcom Channel, which you can view at the link below. It contains gameplay footage, introduction of the characters, and a Japanese version of the old trailer (w/ Japanese voice acting)