143 Mkv |best| Link

No standard video codec uses the number 143. Common codecs in MKV files include:

Because MKV is just a container, you can strip or add audio/subtitle tracks instantly using . No quality loss. This is ideal if "143 MKV" contains unwanted foreign audio tracks. 143 mkv

Without additional clues, the most practical answer is: No standard video codec uses the number 143