The following files contain information about the ground truth for the TRECVID 2008 copy detection queries. o.gt - information about the reference and non-reference files used to create each of the 201 original, untransformed queries o.gt.header - names the columns in the o.gt table v.gt - identifies the original query, the associated transformed video query, and the video transformation number (1-10) for each transformed video query (201*10) v.gt.header - names the columns in the v.gt table v.gt.details - provides detailed information about the video transformations, including the transformation number and parameters used a.gt - identifies the original query, the associated transformed audio query, and the audio transformation number for each transformed audio query (201*7) a.gt.header - names the colunns in the a.gt table a.gt.details - provides detailed information about the audio transformations av.gt - describes the composition of each transformed audio+video query (201*7*10) from a transformed video-only and a transformed audio-only query av.gt.header - names the columns in the av.gt table tv8.cd.tav.query.generation.sh - a script which uses ffmpeg to create the audio+video queries from the audio-only and video-only queries for 2008