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。/ w2 t. K) `6 z2 A

. u2 f' K) j- Y* r! h; C! G公仔箱論壇Anyone know what software can I use to convert the 2 language RMVB to 1 language AVI?
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Thank you very much