If you’re an aspiring filmmaker, you should familiarize yourself with the practice of ADR. ADR, or automated dialogue replacement, is crucial for replacing lost dialogue, removing background noise, or fixing dialogue mistakes that you may not have noticed during filming. It is typically done in a recording studio during post-production and may require the services of your original actors or voiceover artists. Directors should have a clear purpose and objectives for their ADR sessions. Do you simply want your sound to be clearer? Are you trying to change the meaning or context of certain lines?