there are many,such as Cucusoft DVD Converter ;ImTOO DVD Converter ,you can have a try.they both support mepe to amv convertion

just use yasa video converter to convert wmv to amr. It works very well.

xin fan mem convert form mpeg to mav

you can use some converter to change the format,like xilisoftware,its WMA MP3 converter can convert WMA to MP3, AAC to MP3, it also can convert MP3 to WMA, convert OGG to MP3, etc. The WMA MP3 converter supports WAV, MP3, WMA, OGG, AAC, FLAC, APE, VQF etc.

go to www.mympxplayer.org hope this helps :)

I recommend you the imtoo audio converter,it can convert among many different format,you can try.