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What is ADR?

ADR (Automated Dialogue Replacement), also called “looping,” is the process of re-recording dialogue after the film has been shot. The original audio recording is played back on set through headphones worn by the actor while they mouth the words, making it possible to replace defective or inaccurate dialogue with high-quality sound.

a little kid speaking into a microphone

This is often necessary when the original dialogue has been lost or is unusable for some reason. ADR can also be used to replace profanity with cleaner language or to add foreign-language dialogue for international audiences. In some cases, ADR may also be used to improve the delivery of a line or to make a character sound more emotional. Whatever the reason, ADR is an important tool for ensuring that a film’s dialogue is clear and effective.