How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,
, X, v0 ?2 m  r2 g" |% sTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。tvb now,tvbnow,bttvb* Z0 n) K  R+ ?' a) Q% m% S
Anyone know what software can I use to convert the 2 language RMVB to 1 language AVI?) e4 s+ M, U& D! ]3 Q: n: t
tvb now,tvbnow,bttvb7 w  C1 f% H3 z2 a$ U8 J9 j% C9 H' }
Thank you very much