TalkingSoft.com Forums: need audio codec for nero8 - TalkingSoft.com Forums

Hi all, need some advice/help on what right audio codec should I install to be able to have sounds while playing dvd-9 movies with my nero showtime (nero 8). I might missing some audio codec coz' after inserting the dvd-9 disc the intro and movie selections plays perfectly with audio but after I selected a movie there is video but no audio . I'm hoping someone will help me configure what right audio codec to be install so I can play my dvd-9 movies. Many thanks in advance.