ENVIRONMENT #670068 IATE #44980 airí fuaime Tagairt an Ghníomhaireacht Eorpach Comhshaoil (GEC) ga Akustische Kenngrößede acoustic propertyen Sainmhíniú 1.The characteristics found within a structure that determine the quality of sound in its relevance to hearing. Tagairt 1.KOREN; propriété acoustiquefr