Vid_20221215_105814_430.mp4.mkv -

Likely a millisecond or sequence identifier used by the camera software to prevent naming collisions.

Right-click the file to see the exact bitrate, encoding profile (e.g., Main@L4 ), and whether the "Encoded date" matches the filename date. VID_20221215_105814_430.mp4.mkv

If you have access to the file, I recommend running these tools to see the "deep features" for yourself: Likely a millisecond or sequence identifier used by

To truly analyze this file, you would look for the following internal "deep" characteristics: AI responses may include mistakes

Are you trying to this specific video, or are you looking to automate the extraction of data from a large batch of similar files? AI responses may include mistakes. Learn more

Tools like MKVToolNix often wrap MP4s into MKV to edit without re-encoding.

This "double extension" suggests the original MP4 file was re-wrapped into a Matroska (MKV) container. This often happens during: