The Fade Protection. This occurs on the DVD rips from I hear..
Fade protected CD games can be prevented by using Clone CD.
But once the Game makers decides to put Fade in the DVD games there should be a patch on the way hopefully or prey that Clone DVD software comes out someday..
http://ps2chimps.consoleinfo.com/
Try that site above it has patch for tyson DVD game..Not the PAL to NTSc but the DVD patch..Otherwise your only option is get a DVD version of game instead of wasting time with DVD rips..