noun
imitative sound; sound effect
Refers to artificially created or imitative sounds used in film, theatre, radio, and other media to represent real sounds.
映画の擬音は、足音やドアの開閉音などを再現する。
Sound effects in movies reproduce footsteps, doors opening and closing, and the like.
ラジオドラマでは、擬音が臨場感を高める。
In radio dramas, sound effects enhance the sense of presence.