
1) Coordinate audio and video 2) Do a Milli Vanilli act 3) Fake it in a way 4) Fake it on stage 5) Fake it, musically 6) Give a fake number 7) Just pretend to sing 8) Milli Vanilli deception 9) Mouth 10) Mouth the lyrics 11) Mouth the words 12) Not really sing 13) Not really singing 14) Perform like Milli Vanilli
Found on
https://www.crosswordclues.com/clue/lip-sync

Lip sync, lip-sync, lip-synch (short for lip synchronization) is a technical term for matching lip movements with sung or spoken vocals. The term can refer to any of a number of different techniques and processes, in the context of live performances and recordings. In the case of live concert performances, lip-synching is a commonly used shortcut,...
Found on
http://en.wikipedia.org/wiki/Lip_sync

In the film industry video and vocal recordings are now made at the same time. This is referred to as lip sync or the simultaneity of lip movement with the spoken dialogue. Given the medium now, lip sync is not difficult to achieve; however, in the film and recording industries, dialogue (lip motion or singing) was filmed before the sound track. A ...
Found on
http://www.allmovie.com/glossary/term/lip+sync

The relationship of sound ad picture that exists when the movements of speech are perceived to coincide with the sounds of speech.
Found on
http://www.filmland.com/glossary/Dictionary.html#A

the synchronisation of characters` mouth movements to a soundtrack. Usually in animation, the dialogue soundtracks will be recorded before drawn animation commences as it is far easier that way round
Found on
https://www.encyclo.co.uk/local/20511

Synchronizing a performance to recorded speech or music
Found on
https://www.encyclo.co.uk/local/22375
No exact match found.