How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,TVBNOW 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。$ X- E3 O/ [5 e! `- L0 X
tvb now,tvbnow,bttvb# ]" V7 U5 |4 x
Anyone know what software can I use to convert the 2 language RMVB to 1 language AVI?tvboxnow.com9 S( ]! W5 g. J' r% S' ]3 K; ?
TVBNOW 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。) p7 D6 Q, W! ~; `( z$ r$ h, T* d
Thank you very much