Hard to say what would cause that in your situation, but are
you saying that its in sync on the timeline, but when you render
it, its out of sync?….If thats the situation then maybe the issue
is the format and settings you select for your final render.
Steve Rhoden
(Cow Leader)
Film Maker
Filmex Creative Media.
1-876-832-4956
https://filmex-creative-media.blogspot.com/