lip sync in Italian

(music, singing) The synchronization of prerecorded audio signals and movement of the lips such that there is no lack of simultaneity between them.

(music, singing) The synchronization of prerecorded audio signals and movement of the lips such that there is no lack of simultaneity between them.

(music, singing, transitive) To move the lips in synchronization with sounds (generally recorded) so it appears they are the source of the sounds.