Picture lock is a stage in
editing a film or
editing a television production. It is the stage prior to
online editing when all changes to the film or television program cut have been done and approved. It is then sent to subsequent stages in the process, such as online editing and
audio mixing
Audio mixing is the process by which multiple sounds are combined into one or more channels. In the process, a source's volume level, frequency content, dynamics, and panoramic position are manipulated or enhanced. This practical, aesthetic ...
.
Any last-minute changes can force portions of subsequent work to be redone.
References
Film and video terminology
{{film-term-stub
de:Picture lock