How to watch MKV movies on Smart TV/LED TV/LCD TV via USB?

If you have got a nice LED/LCD/Smart TV, you may have below problems. These questions is about how can watch MKV files on TV. Q 1: When i play 3D MKV movie on my quart TV via USB, i can’t play the sound. What is the problem? The movies are MKV files?

www.tv-converter.com