How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,公仔箱論壇" Q# F, l0 [) n+ S

3 I- }+ s# Y5 }  eAnyone know what software can I use to convert the 2 language RMVB to 1 language AVI?
1 k5 }5 Y) X3 j, O0 v& Ztvb now,tvbnow,bttvb
& z( o2 v6 ?  R' e1 F- sThank you very much