: Fixes unusable location sound caused by wind, traffic, or technical glitches.

is a critical post-production process in filmmaking where actors re-record their dialogue in a controlled studio environment to replace or enhance the original on-set audio. While often used interchangeably with "dubbing," ADR specifically refers to the technical process of improving the original performance, whereas dubbing generally involves translating that performance into a new language for global audiences. The Core Difference: ADR vs. Dubbing

Once the actor locks into the timing, the engineer records multiple "takes." Modern software (like VocAlign or Revoice Pro) can stretch or shrink the audio by milliseconds to fit perfectly. Finally, the sound team processes the clean audio—adding reverb, echo, or "room tone"—to make the studio recording sound like it actually happened on the set.