ffmpeg -i input.mkv -c copy output.mp4
At its core, the keyword refers to an enhanced version of the standard MP4 (MPEG-4 Part 14) multimedia container format. While the official documentation from the Moving Picture Experts Group (MPEG) is still evolving, early beta releases and developer notes suggest that "juq546mp4" represents a hybrid encoding profile designed to bridge the gap between H.265 (HEVC) and the emerging H.266 (VVC) standards. juq546mp4 new
: The suffix .mp4 suggests it may have originated as an auto-generated filename for a video clip or media asset. ffmpeg -i input