減げん音おん

noun, noun or participle which takes 'suru'

sound dampening; noise reduction

General term for reducing or suppressing sound, often used in engineering or everyday contexts.

• この壁へき材ざいは減げん音おん効こう果かが高たかい。

  This wall material has a high sound-dampening effect.

• エンジンの減げん音おん対たい策さくを検けん討とうしている。

  We are considering measures to reduce engine noise.

noun, noun or participle which takes 'suru'

diminishing (chord/interval)

Music term for making a chord or interval smaller, typically by lowering a note by a semitone.

• 減げん音おんされた和わ音おんは不ふ安あん定ていな響ひびきを持もつ。

  A diminished chord has an unstable sound.

• この音おん程ていを減げん音おんすると不ふ協きょう和わ音おんになる。

  Diminishing this interval creates a dissonance.