If you are having problem of Audio in your Windows Media Player regarding the DVD video then It may possible that DVD which you are using is not having audio and that is why you are getting this problem. But, if you have check that and it is not the problem of DVD then you need to use the audio codec on your computer. As it may possible that Audio codec has been not installed on your computer and it is giving problem specially to DVD files. You can make use of the AC3 Audio Codec. You can get it from below:
Download AC3 Filter 1.63b
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