Highlight the E-AC-3 audio track, navigate to the panel on the right, and explicitly set the Language and Track name (e.g., "DD+ 5.1 Test"). This helps your receiver or player identify the stream correctly. Set your desired destination file path at the bottom.
Android TV devices, Nvidia Shield Pro, Plex Media Server, and desktop players like VLC or MPC-HC.
Before you go searching for files, it's important to know what you can do with them.