My iPod stops playing songs at 3:25 every time and skips it to the next one.

My iPod won't play some of my songs completely. Most of the new songs I add to iTunes and sync with my iPod classic will stop playing at 3:25 every time, but will work well in iTunes (on an iMac) or on my iPhone. If I fast forward it to the end, it will play even after 3:25, which mean it's not the file that has a problem. I tried to restore it and sync again all of my songs, but it still skips the recent ones at the same place (3:25). I would like to know if the problem is iTunes, my iPod or if there is a solution ?

Thank you