How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,
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8 b/ U% i+ Z- _! |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。Anyone know what software can I use to convert the 2 language RMVB to 1 language AVI?
9 a/ A: ~, w+ `* [1 z: wTVBNOW 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( U% k: n5 n; B. b) `# R
Thank you very much