How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,tvb now,tvbnow,bttvb% H& U4 @- Q: E9 v8 O
3 j' l, h0 R- ]2 N% W3 F
Anyone know what software can I use to convert the 2 language RMVB to 1 language AVI?
9 d! p* X9 r; A5 i. _; N7 n. J! o公仔箱論壇公仔箱論壇) z: r( [! }0 Y4 l$ U- X
Thank you very much