no softwere accept my avi sound????

[hemzki]

no softwere accept my sound formt. i've downloded a movie/ the avi file is very larg 2 cd evry cd is 700MB. my media player do accept it but i want to make it a mpg and not tmpge accept the sound format and not v.dub,
the media player say that the coder is morgan stream switcher
please help me