noun
Refers to artificially created or recorded sounds used in media such as films, games, radio, and theater to enhance scenes or actions.
このゲームの効果音はとてもリアルだ。
The sound effects in this game are very realistic.
映画の効果音を担当している。
I am in charge of the sound effects for the movie.
A broader term for acoustic effects, often used in professional audio engineering, while 効果音 is more common for everyday media.
Compound of 効果 (effect) and 音 (sound). The exact historical derivation is uncertain, but the term is a straightforward modern coinage for 'sound effect'.