If the Tamil audio doesn't match the lip movements, players like VLC allow you to fix this on the fly. Press the J or K keys to shift audio backward or forward in 50ms increments.
If you want to see specific scenes or movie info, tools like MKVToolNix allow you to view and edit embedded chapter markers or add a movie poster image to the file's metadata. 4. Media Server Optimization If you plan to stream this file to a TV via Plex or Kodi : If the Tamil audio doesn't match the lip
Ensure your server is set to "Direct Play" to avoid transcoding, which can be heavy on your hardware for HEVC 720p files. It handles Tamil audio tracks and HEVC decoding natively
The most reliable choice for MKV files. It handles Tamil audio tracks and HEVC decoding natively. You can download it for any platform at videolan.org . right-click in your player
If the file fails to play on certain smart TVs, you may need to "remux" it using MKVMerge to ensure the tracks are ordered correctly for your specific player. MKV Files Explained - Adobe
If the file contains multiple languages, right-click in your player, select Audio > Audio Track , and ensure the Tamil track is selected.