That is fineI don't care about the quality I just want to know what you are talking about.
I think it is worth grabbing the game again and verifying it with http://redump.org/disc/344/ & http://redump.org/disc/345/
Please remember that the PS2 emulates the PSX/PSone rather than actually having one built into it, so may be able to correct problems that the PSX/PSone can not