lip sync Meaning and Definition
1. n. 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
Lip sync, lip-sync, lip-synch (short for lip synchronization) is a technical term for matching lip movements with prerecorded sung or spoken vocals that the listeners hears, either through the sound reinforcement system in a live performance or television or cinema speakers in other cases.
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