How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,3 \7 k& k+ t% R* X7 Z" h( j5 U
tvb now,tvbnow,bttvb5 f3 W# w1 s. p9 A8 `
Anyone know what software can I use to convert the 2 language RMVB to 1 language AVI?
' d4 F5 L" i9 T/ {" |0 etvb now,tvbnow,bttvb
! k" L3 _: J6 v* m5 b$ ~1 SThank you very much