How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,
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Anyone know what software can I use to convert the 2 language RMVB to 1 language AVI?5.39.217.77- ]+ N+ E' x( ]+ G! v$ f( b

8 J5 l0 a8 r+ A: P/ f# wtvb now,tvbnow,bttvbThank you very much