How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,
; g: E& V  ?. B4 F5 G! |tvb now,tvbnow,bttvb
5 q* g' Q) c9 C公仔箱論壇Anyone know what software can I use to convert the 2 language RMVB to 1 language AVI?8 P9 l" ^9 N, v# x! s0 w) T7 q; c
公仔箱論壇6 t7 R" G4 c$ y- w* T/ q; Q
Thank you very much