I'm having big problems with MP4 files when importing to Premiere Pro 5,5 - most of files are out of sync and I mean badly out of sync. Sometimes, in the same file, audio is to fast, and then 5 minutes later it is to slow. I cant really fix it by moving tracks back or forth.
Strangly those files are perfectly fine in any other program, like Sony Vegas, Corel Video Studio, Windows Media Player etc...
Yesterday my friend sent me his mp4 file that was perfectly fine in his 5.5, but when I used it in my sequence it was out of sync again. I'm using two separate computers, both with same problems. I'm wondering what is wrong, and most important, how can I fix it?