How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,公仔箱論壇' U, p5 ]! k* a# g7 m, g
公仔箱論壇: K9 w( N( b( {) @! L7 y' g" _
Anyone know what software can I use to convert the 2 language RMVB to 1 language AVI?tvb now,tvbnow,bttvb" ]( Y/ }2 q# [* `0 @' A5 H
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Thank you very much