They have the UK SKY TV, 25fps, H264 AVC, 1920x1088 video muxed with 448kbps French 5.1 and 448kbps English 5.1 AC3 Audio tracks. They also have french subtitles and forced subtitles.
My guess is that the audio comes from the 2004 PAL DVDs.
More info (in French) here:
http://www.ladylink.org/star-wars-l-integrale-1080p-x264-hdf