If you are a cinephile who downloads high-quality MKV or MP4 files with 5.1 or 7.1 surround sound, you have likely encountered silence where dialogue should be. The solution is not downloading a "Pro" version or switching players—it is mastering the .
EAC3 works, but DTS (Digital Theater Systems) fails. Fix: You need a universal codec pack. Search for "FFmpeg 7.0 AIO custom codec" which includes EAC3, DTS, TrueHD and MLP. mx player custom codec eac3 extra quality