noun
foley artist; sound effects person
A person who creates or records sound effects for film, TV, or radio, often in sync with the action. The term is used in Japanese media production contexts.
彼は映画の擬音係として、足音やドアの音を再現している。
As a foley artist for the film, he recreates footsteps and door sounds.
擬音係の仕事は、映像に合わせて効果音を作ることです。
The job of a sound effects person is to create sound effects in sync with the visuals.