picture lock

noun

noun

Broadcasting, Film, Media, Television The point at which a film has gone through final editing and will no longer undergo any visual changes.

You should have “picture lock” before the sound work begins. It is possible to begin sound work before picture lock, but additional expense and time may be incurred in re-conforming your audio edits to the newly re-edited picture.2017, Patrick Winters, Sound Design for Low & No Budget Films, page 23:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.