MKV is a "container" that can hold multiple video, audio, and subtitle tracks. Not all default players (like older versions of QuickTime) support it.
: This often happens if the MKV uses a high-end audio codec (like DTS or AC3) that your TV doesn't support. Converting it to MP4 with AAC audio usually fixes this. AgADpAcAAquBqFU.mkv
: Use MKVToolNix if you want to permanently remove unwanted audio tracks or add your own .srt subtitle file without re-encoding the whole video. 4. Troubleshooting Common Issues MKV is a "container" that can hold multiple