noun, noun or participle which takes 'suru'
noise reduction; soundproofing; damping
Technical term for making something quieter, often used in engineering contexts such as machinery, vehicles, or buildings.
この車はエンジンの静音化が進んでいる。
This car has advanced engine noise reduction.
オフィスの静音化のために
We installed sound-absorbing panels to soundproof the office.