Sync - Effects
Sound Effect timing does not match on-screen coincidence.
Out of sync effects negatively impacts the customer experience and is typically attributed to improperly implemented foley or on-screen coincidences. This is not usually Creative Intent.
On-screen coincidence mismatches audio effect by 1 frame.
On-screen coincidence mismatches audio by more than 2 frames.
How to Prevent:
QC of M&E will help prevent out of sync effects inherent to M&E from being present on all dubs created from said M&E.
Monitor effect placement on the timeline.
Adjust effects into place on timeline and re-export.