games arn't copying properly can any one help

[*sam*]

hi, ive been searching day and night for software and info on how to copy ps2 games and never really got anywhere! but i found some software that actually works now but it does'nt copy properly. ie. i copied the getaway black monday and it copied fine but the sound was out! you were getting the motion before the sound if you no what i mean. i cant figuire out whats gone wrong and its so annoying. also gta vice city copied fine but it crashes. i use RIDISC DVD-R 4.7GB the only thing i could think of is i was using the wrong disks or somethink. but dont, no can any one help please