I recently purchased the Phil Collins Live & Loose in Paris concert dvd from 1997. The soundtracks on the disc are Linear PCM Stereo and Dolby 5.0. The first half of the disc plays fine but during the second half, the picture and sound start to skip and it gets progressively worse regardless of whether I use LPCM or DD. This leads me to believe that my player needs cleaning but I have tested other discs all the way through with no problems. My player is a generic GE Digital with Dolby Digital. I have yet to have any problems with any of the new discs that have all the complex branching on the menus though. I'm thinking the reason I'm having this problem is because of the Linear PCM Stereo. Any input would be appreciated.