How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,5.39.217.77( l; \+ |. ~3 C$ ~0 _
5.39.217.77, Z! r0 G1 X8 V  S6 p2 x8 H/ t. p% B
Anyone know what software can I use to convert the 2 language RMVB to 1 language AVI?( q" Q! L$ Q/ L; [" y& v) H

6 S6 V, x; P0 |+ xtvb now,tvbnow,bttvbThank you very much