How do movie makers keep unwanted sounds out of films especially older movies that didn’t have digital audio?

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I know they can add audio in post by Foley artists, but how do they keep sounds of equipment, people, or other background noise that isn’t wanted out of the movie?

I’m especially curious about older movies that were made before the rise of digital audio.

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9 Answers

Anonymous 0 Comments

Movie audio is rarely recorded live. It is recorded in a controlled environment at an audio studio and composed together, then played alongside the video.

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