Lip sync and Set off

Lip sync noun - Combining audio and video recording in such a way that the sound is perfectly synchronized with the action that produced it; especially synchronizing the movements of a speaker's lips with the sound of his speech.

Set off and lip sync are semantically related. In some cases you can use "Set off" instead a verb phrase "Lip sync".

Set off verb - To cause to function.

Lip sync and set off are semantically related. Sometimes you can use "Lip sync" instead a verb "Set off".