Lip-sync
Matching a generated character's lips to the words he or she says.
Why it matters in production
It is the most visible limit of current tools, especially in French and on long lines. Our rule: six words at most in lip-sync, the rest from behind, in profile, in voice-over, or reading. In a seventeen-shot teaser, only three lines are synced, and nobody notices.
Other names
lip synchronisation
