Lip Dub, or to put it in a professional term Lip-synching is the process of creating a soundtrack in which the on-screen characters do not speak actual words or phrases, but merely move their lips in sync with pre-recorded lines or other audio.
Lipsing is widely used in film and television, especially when filming films in languages unfamiliar to the actors. In such cases, to preserve the naturalness and authenticity of the pronunciation, the audio track is recorded with a translator or actor, whose lips will move during filming. This recorded voice is then overlaid with sound to match the movement of the actor's lips on screen.
The lipping process requires synchronicity and precision. The actor, when moving his lips, must repeat as much as possible the intonation, facial expressions and lip movements of the original actor in order to create the illusion of real pronunciation of words and phrases. It requires skill and acting skill to convey emotion and meaning despite the lack of actual sounds.
To maintain synchrony between lips and sound, various methods are used. One is to use slow motion playback of the recorded voice during filming to make it easier for the actor to lip-synch to the beat. Another method is to use the sound engineer's verbal instruction or track recording method, where the actor is given a recording of a line that he must repeat as accurately as possible.
Lipsing, although it requires a lot of work and attention to detail, allows you to create the effect of real pronunciation and maintain the naturalness of the scene. It is also a tool for adapting works into different languages and cultures, allowing a wide audience to enjoy a film or series in their own language, without being distracted by subtitles or original audio.
In general, lipping plays an important role in creating high-quality and accessible content for viewers, significantly influencing the perception and understanding of works of art.