This often happens if the audio is in a format your player doesn't like (e.g., OGG or DTS). Use tools like MKVToolNix to inspect the internal tracks or remux the file without re-encoding.
The provided file name appears to be an automated filename typical of files downloaded from messaging platforms like Telegram . AgADeAADC9_4Vg.mkv
If you are having trouble playing, editing, or managing this file, here is the most helpful information regarding the format and how to handle it: 🛠️ Common Fixes for MKV Issues This often happens if the audio is in
Best for converting the MKV to a more compatible format like MP4 (H.264) if your smart TV or phone won't open it. or managing this file