How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,tvb now,tvbnow,bttvb" N+ }8 w! }# c4 H! H+ ]0 e
公仔箱論壇$ X0 G1 Y4 L# W. M3 @
Anyone know what software can I use to convert the 2 language RMVB to 1 language AVI?
. Q2 y' z) h: @- ~& D4 ^' Q公仔箱論壇tvb now,tvbnow,bttvb: [( t& o" t' h
Thank you very much