For almost 2 years we are running successfully 3 Pearls for lecture recording at the Heinrich-Heine-University in Düsseldorf and produced about 350 videos with them.
Unfortunately we had serious problems with our recordings in the past 3 months resulting in corrupt files, which cannot be opened by any program. During recording, everything looks right, the sources are displayed, the recording button is blinking and the time is running.
But after the downloading the files (up to 4 GB), the preview is not generated and there are no videoinformations like start, and length. In these cases, the mov container recorded with the recorder including Auto A and Auto B has a length of exactly 10 seconds.
I changed already all connections, cables and splitters, cameras searching for the reason, but could not find it.
The fault occured often with a USB-C displayport. Could this be the reason?
Does anybody have the same problems and found a solution? I would be greatful for helping comments.