Cause: The original may have had dummy data or padding. The UPD likely uses a more efficient x264 or x265 codec preset.
Solution: Trust the upd tag. Run ffmpeg -i fsdss206mp4_upd.mp4 to check the actual bitrate and frame count. Lower file size does not equal lower quality if the encoder settings were improved.
Because fsdss206mp4 upd may be an improperly named, truncated, or updated version of a release, playback issues are common. fsdss206mp4 upd
Because the file extension is ultimately .mp4 (assuming upd is part of the filename, not a separate extension), playback is straightforward. Here is the best software for each operating system: Cause: The original may have had dummy data or padding
FSD = Flexible Stream Delivery system, version 206.
mp4 = media processing pipeline module.
upd = rolling update for edge nodes. Run ffmpeg -i fsdss206mp4_upd
Manually searching for fsdss206mp4 upd is inefficient. Here is how to set up automated monitoring for versioned files.
"UPD" stands for Update. However, unlike software patches, a media file "UPD" indicates that a previous release of fsdss206.mp4 was flawed, and this new version (fsdss206mp4 upd) replaces it.
Common reasons for an "UPD" release: