ac3 filter codec for quicktime?

i was trying to play a .avi on quicktime and there was no sound
so i find out i need a ac3 filter
i couldnt find it for quicktime so i ended up downloading videolan which worked but i rather use quicktime

nevermind i found the codec

mods delete this t hread

macbookdabest, could you pls post your solution for future posters who may have the same or similiar issues, thanks.

yea
http://trac.cod3r.com/a52codec